NJbinglab Using PTFE for the ThermoFisher Sceientific ion chromatography Eluent Generator Cartridge offers several advantages: 1. Chemical Resistance: PTFE is highly resistant to a wide range of chemicals, reducing the risk of degradation and ensuring consistent performance over time. 2. Low Surface Tension: PTFEâ??s low surface tension minimizes adhesion of contaminants, leading to improved purity of eluent and reduced maintenance needs. 3. Thermal Stability: PTFE can withstand high temperatures, making it suitable for various operating conditions without losing structural integrity. 4. Enhanced Durability: PTFE is more robust than standard plastics, resulting in a longer lifespan and reduced frequency of replacements. 5. Improved Flow Characteristics: The smooth surface of PTFE promotes better flow dynamics, enhancing the efficiency of eluent generation. Overall, PTFE significantly improves the performance and longevity of the Eluent Generator Cartridge compared to conventional materials.
Advantages: Excellent Corrosion Resistance: It is coated with Teflon, a high-quality anticorrosive material, making it resistant to strong acids and alkalis. This ensures long-term stable operation of the equipment. Fast Heating Speed: The anti-corrosive cast aluminum hotplate has a rapid heating speed, which can quickly increase the temperature of the digestion solution and shorten the sample processing time. No Cross-Contamination: It allows for the simultaneous processing of multiple samples without causing cross-contamination. Reduced Metal Components: The DBF-type electric hotplate's supports are made entirely of polytetrafluoroethylene (PTFE), significantly reducing the entry of metal parts into the laboratory. Customizable Features: It offers customizable time-setting functions, segmented temperature control, and can be processed with different board surfaces according to requirements. Intuitive Display and Safety Functions: The liquid crystal display (LCD) offers features such as buzzer alarms and automatic power-off for added safety. Easy Operation and Maintenance: The anticorrosive electric hotplate has a simple structure, making it easy to operate and maintain. Energy Efficiency and Environmental Friendliness: Compared to traditional heating methods, it has higher energy utilization efficiency, reducing energy consumption and environmental pollution. In summary, the anticorrosive electric hotplate from Nanjing Binzhenghong Instrument Co., Ltd. offers superior performance in terms of corrosion resistance, heating speed, safety, and energy efficiency, making it an excellent choice for various laboratory applications.
PFA, also known as soluble polytetrafluoroethylene or Teflon, is used for trace analysis, isotope detection, ICP-MS/OES/AAS analysis, and other experiments. The temperature resistance range of PFA bottle washing is very wide, and it can withstand temperatures from -200 to+260 , which means it can be used under various experimental conditions without being limited by temperature. The PFA bottle washing tube and body are reliably sealed, with sensitive spraying performance, fast recovery, and no residue left. It can be sprayed into various container positions, making cleaning very convenient. Therefore, using PFA bottle washing can make experiments more convenient. In addition, the nozzle and cap of PFA bottle washing are formed in one go, and its structure is very tight, so there will be no leakage. This is crucial for the accuracy of the experiment. PFA bottle washing can also replace volumetric flasks to prepare standard solutions, which can be controlled to add samples and water dropwise. This means that using PFA bottle washing can conduct experiments more accurately and reduce errors. Suitable for industries such as semiconductors, photovoltaics, biopharmaceuticals, and petrochemicals. Product features 1. Translucent appearance; 2. Temperature resistance -200+260; 3. The pipe and the body are sealed reliably, the sprayability is sensitive, the recovery is fast, and no residue flows out. It can be sprayed into the position of each container and is easy to clean; 4. The nozzle and bottle cap are formed at one time; 5. It can replace the volumetric flask to configure the standard solution: it can be controlled to add sample and water drop by drop.
PFA, also known as soluble polytetrafluoroethylene or Teflon, is used for trace analysis, isotope detection, ICP-MS/OES/AAS analysis, and other experiments. The temperature resistance range of PFA bottle washing is very wide, and it can withstand temperatures from -200 â?? to+260 â??, which means it can be used under various experimental conditions without being limited by temperature. The PFA bottle washing tube and body are reliably sealed, with sensitive spraying performance, fast recovery, and no residue left. It can be sprayed into various container positions, making cleaning very convenient. Therefore, using PFA bottle washing can make experiments more convenient. In addition, the nozzle and cap of PFA bottle washing are formed in one go, and its structure is very tight, so there will be no leakage. This is crucial for the accuracy of the experiment. PFA bottle washing can also replace volumetric flasks to prepare standard solutions, which can be controlled to add samples and water dropwise. This means that using PFA bottle washing can conduct experiments more accurately and reduce errors. Suitable for industries such as semiconductors, photovoltaics, biopharmaceuticals, and petrochemicals.
Product Features 1. PFA material (translucent) 2. High and low temperature resistance: -200 C to 260 C 3. Strong acid and alkali resistance, high temperature resistance, wear resistance, antistatic 4. No dissolution and precipitation, no contamination of samples 5. Also known as impact bottle, impact filter, purge bottle, buffer bottle, gas washing bottle product specification 90 degrees horizontal and vertical: 30ml/60ml (slender); 2 vertical PTFE threads: 60ml (slender)/60ml (big mouth)/90ml (big mouth)/120ml/150ml/180ml; 2 vertical ports PFA welding: 60ml (slender)/60ml (big mouth)/90ml (big mouth)/120ml/150ml/180ml; customizable.
Product Usage: Wash away the impurities in the gas, and absorb the impure gas through the selected suitable liquid medium, so as to wash away the impurities and achieve the purpose of purifying the gas. Applicable industries: Isotope industry, heavy metal industry, semiconductor, new energy, new material, chemical pharmaceutical, nonferrous metal, precious metal... other products: PFA beaker, PFA reagent bottle, PFA drop bottle, PFA graduated cylinder, PFA scrubber bottle, PFA drop bottle, PFA microcolumn... FEP experimental utensils, PTFE experimental utensils, digestion apparatus, acid removal apparatus, acid purification system...
DBF temperature-controlled electric hot plate, also known as anti-corrosion electric hot plate, has a Teflon-coated non-stick surface and is not affected by strong acids and alkalis. It is an electric hot plate used for sample heating, digestion, evaporation, boiling and acid removal experiments. It can be used with our Teflon series such as beakers, crucibles, digestion tubes, sample dissolving tanks, digestion tank inner cups, etc., and the effect is good. It can meet the reagent heating needs of chemical laboratories in different industries such as physics, chemistry, biology, environmental protection, pharmaceuticals, food, beverages, teaching, and scientific research. Technical parameters of anti-corrosion electric heating plate Model: DBF type Operating area (mm): 600 * 400mm, 400 * 300mm, 500 * 250mm, 450 * 350mm, etc Heating method: Electric heating PID digital display Working temperature: 220 Temperature control accuracy: ± 1 Surface anti-corrosion of heating plate: PFA coating Heating plate material: exquisite aluminum alloy/graphite Rated voltage: 220V (adjustable according to region) Continuous working time:>48 hours Supporting products: Crucible/beaker/PFA vials characteristic: 1. PFA Teflon coating, anti-corrosion cast aluminum heating plate heats up quickly; 2. The board and the control box can be made into two parts, so that the acid mist during the experiment will not corrode the components in the control box, thereby increasing the service life and processing multiple samples at the same time without cross-contamination; 3. Customizable time setting function and segmented temperature control; 4. The exposed part of the power cord is wrapped with PFA tubes to further prevent acid gas from corroding components;
Product advantages: 1. Excellent Chemical Resistance: PFA provides excellent chemical resistance to most acids, bases, salts, organic solvents, and oxidizing agents. This ensures that the laboratory ware can withstand harsh chemical environments without degradation or contamination. 2. Wide Temperature Range: PFA can be used in a wide temperature range from -200�°C to 260�°C, allowing it to handle both low and high-temperature applications in the laboratory. 3. Non-Reactive and Non-Adhesive: PFA's surface is non-reactive and non-adhesive, making it ideal for experiments where sample adherence or contamination is a concern. 4. Good Mechanical Properties: PFA has good mechanical properties, including tensile strength and flexibility, ensuring that laboratory ware made from PFA is durable and reliable. 5. Transparent and Easy to Clean: PFA laboratory ware is often transparent, allowing for easy observation of samples and reactions. Additionally, its smooth surface makes it easy to clean and maintain. 6. Biocompatible: PFA is biocompatible, meaning it is safe for use in experiments involving biological samples and does not pose any health risks. 7. Electrically Insulating: PFA's electrical insulating properties make it suitable for use in electrical experiments and applications where electrical conductivity is a concern. 8. Variety of Forms: PFA can be molded into various forms of laboratory ware, such as flasks, bottles, test tubes, beakers, and funnels, providing flexibility in experimental setup. In summary, PFA's chemical resistance, wide temperature range, non-reactivity, good mechanical properties, transparency, biocompatibility, electrical insulating properties, and variety of forms make it an excellent choice for laboratory ware. web: https://www.njbinglab.com/
PFA, a material known for its outstanding properties, exhibits numerous advantages when utilized in Quick Dump Rinse (QDR) Basins/Tanks. Here are the key points outlining the benefits of PFA in this application: Chemical Resistance: PFA possesses excellent chemical stability, resisting corrosion and erosion from acids, bases, organic solvents, and other chemicals. This ensures that the QDR Basin/Tank remains unaffected by the various chemicals used in the rinsing process, maintaining its integrity and functionality. Temperature Resistance: PFA has a broad temperature range of -200�°C to 260�°C, allowing it to perform stably in extreme temperatures. This is crucial in QDR applications, where rapid temperature changes can occur during the rinsing process. Low Friction Coefficient: The smooth surface of PFA has a very low friction coefficient, minimizing wear and tear on the Basin/Tank and improving its durability. This also reduces the amount of energy required for rinsing operations, leading to cost savings. Electrical Insulation: PFA's excellent electrical insulation properties ensure that the Basin/Tank remains safe from electrical hazards, even in high-voltage environments. This is especially important in semiconductor manufacturing and other applications where high purity and precision are critical. Non-Stick Surface: The non-stick nature of PFA's surface makes it easy to clean and maintain, reducing the risk of contamination and ensuring the effectiveness of the rinsing process. Cost-Effectiveness in the Long Run: While PFA may have a higher initial cost compared to other materials, its durability, chemical resistance, and low friction properties translate into reduced maintenance costs and longer service life in the long run. This makes it a cost-effective solution for QDR Basins/Tanks. In summary, PFA's unique combination of chemical resistance, temperature stability, low friction, electrical insulation, and non-stick properties makes it an ideal material for Quick Dump Rinse (QDR) Basins/Tanks. Its ability to withstand extreme conditions and maintain its performance over time ensures the efficiency and safety of the rinsing process.
Product advantage: 1.Chemical Resistance: PTFE laboratory barrels exhibit excellent chemical resistance to a wide range of acids, bases, solvents, and other chemicals. This ensures that the barrels can safely contain and store various laboratory chemicals without degrading or reacting with the contents. 2.Non-Stick Properties: The non-stick nature of PTFE makes it ideal for laboratory barrels that require easy cleaning and prevention of residue buildup. Liquids and solids tend to slide off the surface easily, reducing the need for harsh cleaning agents. 3.Temperature Resistance: PTFE has a high operating temperature range, making it suitable for use in extreme temperature conditions. This allows laboratory barrels to be used in various applications, including those involving high-temperature reactions or storage of chemicals with varying temperature requirements. 4.Durability: PTFE is a durable material that can withstand repeated use and harsh conditions. Laboratory barrels made from PTFE are designed to last for extended periods, reducing the need for frequent replacements and lowering maintenance costs. 5.Electrical Non-Conductivity: PTFE is an electrical insulator, making it an excellent choice for laboratory barrels that need to be electrically isolated or protected from electrical interference. 6.Easy to Fabricate: PTFE can be easily fabricated into various shapes and sizes, including the large barrels required in laboratories. This flexibility allows for the creation of custom-sized barrels that meet specific laboratory needs.
PFA series parallel reaction bottle is an efficient and multifunctional chemical reaction device. Its core advantage lies in the use of PFA (soluble polytetrafluoroethylene) material. PFA has excellent high and low temperature resistance and a wide range of operating temperatures. It can maintain stability in extreme environments and ensure a safe and controllable reaction process. In addition, PFA has extremely high chemical stability and can tolerate almost all chemical solvents, effectively preventing cross-contamination and ensuring the purity of reaction results. Its dielectric properties are excellent, and its electrical insulation is not affected by temperature, providing a stable electrical environment for experiments. In terms of structural design, the PFA series parallel reaction tanks are connected in series and parallel, which can flexibly adjust the reaction process and improve reaction efficiency. At the same time, its transparent and colorless appearance makes the reaction process clear at a glance, making it easy to observe and monitor. In summary, the PFA series parallel reaction tank provides strong support for laboratory research with its excellent PFA characteristics and efficient design, and the entire device supports customization.
Advantages of PFA flasks: 1.Excellent Thermal Stability: PFA flasks possess outstanding heat resistance, enabling them to withstand temperatures ranging from -200�°C to +260�°C. This thermal stability is crucial for many high-temperature experiments, such as heating reactions, boiling, and high-temperature solvent extraction. 2.Superior Transparency: PFA flasks exhibit excellent transparency, allowing for clear observation of reaction processes and sample changes. This is crucial for monitoring and recording reactions in chemical experiments, enabling researchers to better understand and analyze the progress and results. 3.Anti-Adhesion Properties: PFA flasks have good anti-adhesion properties, meaning reagents are less likely to adhere to the inner walls. This reduces loss and waste, while maintaining the cleanliness of the flask's interior and preventing any potential contamination from adhering substances. 4.Excellent Electrical Properties: PFA flasks are excellent electrical insulators, effectively isolating electrical currents and reducing interference from electrochemical reactions. 5.Good Mechanical Properties: PFA flasks possess good mechanical strength and abrasion resistance, enabling them to withstand high pressures and impacts. Industries of Application: 1.Laboratory Research: In laboratory environments, PFA flasks are widely used for various chemical reactions and experiments due to their high purity, chemical stability, and ability to withstand extreme temperatures. 2.Semiconductor Manufacturing: The semiconductor industry requires the use of ultrapure water and specialized chemicals. PFA's high purity, corrosion resistance, and high-temperature stability make it an ideal material for ensuring product quality and reliability in this sector. 3.Chemical Industry: PFA is a primary material in the chemical industry, particularly for pipelines that handle corrosive chemicals. Its excellent corrosion resistance allows it to withstand harsh environments and ensure the safety and stability of chemical production processes. 4.Pharmaceutical Industry: PFA is widely used in the pharmaceutical industry for pipelines and equipment that handle drugs and chemical reagents. Its corrosion resistance, non-toxicity, odorlessness, and tastelessness make it an ideal choice for ensuring drug quality and safety. 5.Food and Beverage Industry: PFA flasks and connectors are suitable for the food and beverage industry, where high-purity materials and compliance with food safety standards are crucial. 6.Medical and Biotechnology: PFA connectors are commonly used in medical devices and biotechnology equipment, such as drug delivery systems and laboratory analysis equipment, due to their corrosion resistance and non-toxicity. In summary, PFA flasks offer numerous advantages that make them suitable for a wide range of applications across various industries.
Product Features 1. The appearance is translucent, visible and easy to observe. 2. High and low temperature resistance: -200 +260 3. Corrosion resistance: resistant to strong acid, strong alkali, aqua regia, hydrofluoric acid and various organic solvents 4. Insulation resistance: dielectric properties have nothing to do with temperature and frequency 5. Pure and pollution-free: low metal element blank value (lead and uranium content less than 0.01ppb) PFA implinger, with its unique PFA material, has brought unprecedented performance breakthroughs to the laboratory. PFA is an outstanding fluoroplastic that combines high corrosion resistance, high temperature resistance, and impact resistance to ensure stability in various harsh experimental environments. Its excellent corrosion resistance allows PFA implingers to easily cope with the erosion of various strong acids, strong alkali and organic solvents, and can still maintain its original performance after long-term use. At the same time, its excellent high temperature resistance also allows it to maintain stable chemical properties in high temperature environments and will not produce harmful substances due to temperature changes. In addition, PFA implinger also have excellent impact resistance and can withstand the strong impact and vibration generated during the experiment, ensuring the safety and stability of the experiment. Its high transparency design allows the experimenter to clearly observe the experimental process, whether it is color change, precipitation generation or gas release, all can be seen at a glance. Made in China
Reagent contamination can elevate the background concentration of analytes in a sample, making it essential for laboratories to invest in high-purity acids for trace metal analyses. With limited sample sizes, maintaining low blank levels is crucial for reproducibility. NJbinglabâ??s SCH sub-boiling distillation systems enable laboratories to produce their own high-purity acids at significantly reduced costs. The chemical reagents utilized during analysis are a major contributor to analytical blanks. Sub-boiling distillation is recognized as the most effective method for acid purification. This technique employs Wrap-around silicone heating jacket to vaporize the surface liquid at a temperature typically 20 �°C below the boiling point. In conventional distillation, the boiling process generates aerosolized particles, leading to contamination in the distillate. In contrast, the gentle surface evaporation used in sub-boiling distillation minimizes spray or droplet formation, resulting in high-purity acids. Advantages: 1. Utilizes the same technology as commercial production for ultra-trace metals analysis. 2. Achieves up to 90% cost savings on ultra-pure acids by purifying lower-cost reagent-grade acids. 3. Allows you to purify only the quantity you need, when you need it. 4. Produces up to 90 mL per hour (SCH-III).
Advantages: 1.High Thermal Efficiency: The graphite digestion instrument utilizes graphite as its heating element, which offers excellent thermal conductivity and even heat distribution. This ensures rapid and uniform heating of samples, improving digestion efficiency. 2.Excellent Temperature Control: The instrument is equipped with precise temperature control systems that allow for accurate temperature adjustments and stable operation. This ensures that samples are digested at optimal temperatures, minimizing the risk of over- or under-digestion. 3.Versatility: The graphite digestion instrument is designed to handle a wide range of sample types and volumes. It can be used for digesting solid, liquid samples, making it a versatile tool for various analytical applications. 4.Ease of Operation: The instrument's user-friendly interface and intuitive controls simplify the operation process. Users can easily set parameters, monitor digestion progress, and retrieve results, all with minimal training. 5.Durability and Longevity: The use of high-quality materials and components in the construction of the graphite digestion instrument ensures its durability and longevity. It can withstand frequent use and rigorous laboratory conditions, providing reliable performance over extended periods. 6.Environmentally Friendly: The graphite digestion instrument contributes to a greener laboratory environment by reducing the use of hazardous chemicals and reagents. It also helps minimize waste generation and energy consumption.
characteristic 1. The appearance is semi transparent; 2. High temperature resistance: operating at temperatures ranging from -200 to+260 3. No precipitation or dissolution 4. Low blank value of metal elements The PFA tongs are exquisitely designed for easy gripping of objects of various shapes and sizes, effectively preventing them from slipping or being damaged. It is worth mentioning that PFA tongs have multiple adjustable functions, and users can adjust the clamping force according to their actual needs to meet the needs of different scenarios. In summary, PFA tongs have become a powerful assistant in the laboratory due to their excellent high-temperature resistance, durability, convenient clamping, and multi range adjustability.
The graphite digestion system from Nanjing Binzhenghong instrument Co., Ltd. boasts numerous advantages that make it a top choice for various laboratory applications. Here are some of its key benefits: Advantages: 1.High Thermal Efficiency: The graphite digestion system utilizes graphite as its heating element, which offers excellent thermal conductivity and even heat distribution. This ensures rapid and uniform heating of samples, improving digestion efficiency. 2.Excellent Temperature Control: The system is equipped with precise temperature control systems that allow for accurate temperature adjustments and stable operation. This ensures that samples are digested at optimal temperatures, minimizing the risk of over- or under-digestion. 3.Versatility: The graphite digestion system is designed to handle a wide range of sample types and volumes. It can be used for digesting solid, liquid samples, making it a versatile tool for various analytical applications. 4.Ease of Operation: The system's user-friendly interface and intuitive controls simplify the operation process. Users can easily set parameters, monitor digestion progress, and retrieve results, all with minimal training. 5.Durability and Longevity: The use of high-quality materials and components in the construction of the graphite digestion system ensures its durability and longevity. It can withstand frequent use and rigorous laboratory conditions, providing reliable performance over extended periods. 6.Environmentally Friendly: The graphite digestion system contributes to a greener laboratory environment by reducing the use of hazardous chemicals and reagents. It also helps minimize waste generation and energy consumption. In summary, the graphite digestion system from Nanjing Binzhenghong instrument Co., Ltd. offers superior performance, versatility, ease of operation, safety, durability, and environmental friendliness, making it an excellent choice for laboratories seeking reliable and efficient sample digestion solutions.
DBF temperaturecontrolled hotplate also known as anticorrosion hotplate has a nonstick surface treated with highquality Teflon coating which is not affected by strong acids and alkalis It is an hotplate for sample heating digestion evaporation boiling and acid removal experiments It is often used with our Teflon series such as beakers crucibles digestion tubes sample dissolution tanks digestion tank inner cups etc with good results It can meet the needs of chemical laboratories in different industries such as physics chemistry biology environmental protection pharmaceuticals food beverages teaching and scientific research for reagent heating There are many series and models for users to choose from and they can also be customized according to user requirements They are made using special processes to overcome the disadvantages of ordinary hotplates that are easily damaged due to longterm continuous work 2 Technical parameter description 1 Model DBF type 2 Operating area mm 600400mm 400300mm 500250mm customizable 3 Heating method electric heating PID digital display 4 Working temperature room temperature 220 degrees Celsius 5 Temperature control accuracy 1 6 Heating plate surface anticorrosion PFA Teflon coating no coating 7 Heating plate material refined cast aluminum highquality graphite 8 Rated voltage 220v 9 Continuous working time 48h Advantages Teflon anticorrosion coating anticorrosion cast aluminum heating plate heats up quickly Multiple samples can be processed simultaneously without cross contamination DBF type hotplate pillars are all made of PTFE material which greatly reduces the metal parts entering the laboratory Customizable time setting function segmented temperature control and different plate surfaces can also be processed as required
Product features: 1. The microwave tank body is made of TFM material, and the size matches the original instrument without error. 2. TFM is resistant to high and low temperatures -200~+260â??, and can withstand high temperatures up to 300â??. It has the characteristics of lower background value, better deformation resistance, penetration resistance, and stronger recovery under high temperature and pressure. 3. The experimental data is no less than that of the original factory, and the cost is low, which greatly reduces the cost of purchasing consumables for many scientific research units. 4. It has the characteristics of low background, better deformation resistance, penetration resistance, and stronger recovery under high temperature and high pressure. 5. Our factoryâ??s production technology ensures the smoothness of the inside and outside walls of the microwave tank. 6. The inner tank can be used with our factoryâ??s acid-catching electric hot plate for later acid-catching experiments. 4. Item number Matching MARSXpress PLUS 110ml (24-bit instrument) Jacket item number 404035 Body + cover + gasket item number 404175 Complete with MARSXpress Plus Vessels 100 mL (instrument 24 positions) Jacket item number 212031 Body + cover + gasket item number 212120 Matching MARSXPRESS VESSSELS 55ml (instrument 40 positions) Jacket item number 212025 Body + cover item number 907576 Gasket 212020 Matching MARSXPRESS VESSSEL 20ml (instrument 40 positions) Jacket item number 212035 Body and lid item number 907575 Matching MARSXPRESS VESSSELS 10ml (instrument 40 positions) Jacket item number 212040 Tube + cover item number 907571 Matching EasyPrep & EasyPrep Plus100ml with black ring (12-bit instrument) Coat item number 431740/tank 432175/lid (with black circle) 131125
1. Product introduction: In geological and mineral experiments, PFA sample dissolving tanks are widely used. They are a multifunctional experimental tool, also known as dissolution cups, digestion bottles, vials, beakers, etc. These jars are suitable for low and medium pressure sample dissolution and digestion of experimental samples. When used with ICP-MS/ICP-OES analyzers, these jars improve the accuracy of trace-level analysis. In addition, these jars are designed with different bottom shapes according to experimental needs, such as U bottom, flat bottom and V bottom. If you need to use an electric hot plate or a digestion instrument with holes for experiments, you can get better results by combining it with a PFA sample dissolving tank. 2. Description: Specifications (ml): 3/5/6/7/15/22/30/40/60 Material: PFA Withstand temperature: -200-260â?? Suitable for sample pretreatment experiments for the analysis of dozens of elements in geological and mineral samples, such as: Mo, Ba, V, Si, Se, Li, Ga, Fe, Mg, Zn, Hg, K, etc. 3. Characteristics: 1. Translucent appearance, smooth inner wall, no water hanging on, easy to clean; 2. Temperature resistance: operating temperature -200~+260â?? (do not exceed 150 degrees under closed conditions); 3. Threaded port, excellent sealing, no air leakage; 4. Anti-pollution: low blank value of metal elements; 5. It has low dissolution and precipitation characteristics and is a container for storing standard substances and different reagents; 6. The cover and body can be numbered digitally without confusion; 7. The V-shaped bottom design facilitates the collection of small amounts of samples; the U-shaped bottom design is suitable for the detection of geophysical and geochemical samples. 4. Typical users: Isotope, geology and minerals, metallurgy, nuclear industry and other industries 5. PFA series products: Reagent bottles, washing bottles, volumetric flasks, measuring cups, beakers, digestion tubes, sample dissolving tanks, micro columns, crucibles, valves, joints, delivery pipes, etc.