Product Name: Ferrous Sulphate Heptahydrate Molecular Formula: FeSO4. 7H2O CAS No.: 7782-63-0 Mol Weight: 278.05 Usage and Dosage: 1. Industrially: ferrous sulphate heptahydrate is mainly used as a precursor to other iron compounds. It is a reducing agent, for the reduction of chromate in cement. 2. Nutritional Supplement: Together with other iron compounds, ferrous sulphate is used to fortify foods and treat iron-deficiency anemia. Constipation is a frequent and uncomfortable side effect associated with the administration of oral supplements. Stool softeners often are prescribed to prevent constipation. 3. Colorant: Ferrous sulphate can also be used to stain concete and some limestones and sandstones a yellowish rust color. 4. Water Treatment: Ferrous sulphate has been applied for the purification of water by flocculation and for phosphate removal in municipal and industrial sewage treatment plants to prevent eutrophication of surface water bodies. Storage: Storage Store in cool, dry, well ventilated area, removed from oxidising agents (eg. hypochlorites), acids, metals and foodstuffs. Ensure containers are adequately labelled, protected from physical damage and sealed when not in use. Large storage areas should have appropriate ventilation systems. Precaution: Flammability Non flammable. No fire or explosion hazard exists. Packing: Net weight 25kgs, 50kgs per each plastic woven bag Technical Specification Appearance: Light green crystalline powder Fe 19.7%min Pb 20 ppm max As2 ppm max Cd 5 ppm max Size Crystalline Powder
2-Naphthol Basic information Chemical Properties Application Preparation Product Name: 2-Naphthol Synonyms: c.i.37500;c.i.azoiccouplingcomponent1;c.i.developer5;Developer A;Developer AMS;Developer BN;developera;developerams CAS: 135-19-3 MF: C10H8O MW: 144.17 EINECS: 205-182-7 Product Categories: Fluorescent;Naphthalene;pigments;alcohol;MICROCIDIN;Color Former & Related Compounds;Developer;Functional Materials;Intermediates;Aromatic Compounds;Alphabetical;Bioactive Small Molecules;Biochemicals and Reagents;Building Blocks;C9 to C20+;Cell Biology;Chemical Synthesis;Fluorescent Indicators and Probes;Fluorescent Probes;Labels;N;Organic Building Blocks;Oxygen Compounds;Particles and Stains;pH Sensitive Probes and Indicators;Phenols;Dyestuff Intermediates;Aromatics Mol File: 135-19-3.mol 2-Naphthol Chemical Properties Melting point 120-122 C(lit.) Boiling point 285-286 C(lit.) density 1,28 g/cm3 vapor density 4.97 (vs air) vapor pressure 10 mm Hg ( 145.5 C) refractive index 1.5762 (estimate) Fp 153 C storage temp. Refrigerator solubility methanol: soluble1g/10 mL, clear, colorless to light yellow pka 9.51(at 25C) form Powder, Crystals or Granules color White PH Range Non& uorescence (8.5) to blue & uorescence (9.5) Water Solubility 1 g/L (20 C) �»max 226nm, 265nm, 275nm, 286nm, 320nm, 331nm Merck 14,6384 BRN 742134 Stability: Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents, phenol. Major Application Display device, semiconductors, photoimaging materials, inks, toner, chalk, security paper, molding materials, tin plating method, rubber, adhesive, leather, detergent, hair dyes, antimitotic drug, anticancer agent, antiinflammatory agent, treatment of acne vulgaris (pimples) and other dermal ailments (rashes, scratches, blemishes, hair loss), disorders InChIKey JWAZRIHNYRIHIV-UHFFFAOYSA-N CAS DataBase Reference 135-19-3(CAS DataBase Reference) NIST Chemistry Reference 2-Naphthalenol(135-19-3) EPA Substance Registry System 2-Naphthalenol (135-19-3) Safety Information Hazard Codes Xn,N Risk Statements 20/22-50 Safety Statements 24/25-61 RIDADR UN 3077 9/PG 3 WGK Germany 2 RTECS QL2975000 F 8 Autoignition Temperature 430 C TSCA Yes HazardClass 9 PackingGroup III HS Code 29071590 Hazardous Substances Data 135-19-3(Hazardous Substances Data) Toxicity LD50 orally in Rabbit: 1960 mg/kg LD50 dermal Rabbit > 10000 mg/kg 2-Naphthol Usage And Synthesis 2-Naphthol Preparation Products And Raw materials
Content of Choline Chloride - 60% min Loss on drying - 4.0 max Particle size (20 mesh sieves) - 95% min Heavy metal (Pb) - 0.002 max TMA - 1000 ppm max Description of Choline Chloride Specification: Feed grade. Contents:50%,60%,70%,75%,98% Choline Chloride has the formula C5H14CINO.the carrier of the powder product is Corn cob or Silica. Corn cob base Choline Chloride is yellow brownish dry powder and Silica base Choline Chloride is white dry powder. Function and Usage: Uses [1] Choline Chloride is one kind of vitamins,it is the essential component of lecithin. And it is very important for the nutrition and growth of the animals. [2] To prevent the accumulation of fat in livers and kidneys and avoid its pathological changes. [3] To enhance the health of animals and to improve its ability to anti-illness. [4]To increase the growth rate and laying rate to increase the survival rate Of baby pig. [5]to increase the growth and survival rate of fishes promote its propagation [6] to ensure the proper functioning of the nervous system of animals .
Supplier: Branded consumer electronics, televisions, cameras, home appliances, car audio systems, hair curlers, hair trimmers, hair clippers, hair straighteners, beard trimmers, shavers, vacuum cleaners, air purifiers, blenders, mixers, juicers etc, mg3710/15 mg3730/15 mg5720/15 mg7720/15 bt1233/14 bt3206/14 bt3216/14
Paraformaldehyde is a polymer of formaldehyde with the chemical formula (CH2O)n, where n is typically in the range of 8 to 100. It is a white, crystalline solid composed of small, polymeric formaldehyde units. Paraformaldehyde is commonly used as a solid form of formaldehyde, and it has various applications in different fields. Form and Structure: Paraformaldehyde is a low-molecular-weight polymer of formaldehyde, consisting of repeating CH2O units. It is often produced in the form of white, crystalline granules or as a powder. Uses: Fixative in Histology: Paraformaldehyde is commonly used in histology and pathology laboratories as a fixative for preserving biological specimens for microscopic analysis. Disinfectant: It has disinfectant properties and can be used for sterilizing equipment. Crosslinking Agent: Paraformaldehyde is used in the crosslinking of proteins, peptides, and nucleic acids in molecular biology applications. Chemical Synthesis: It serves as a source of formaldehyde in various chemical reactions and syntheses. Handling and Safety: Paraformaldehyde should be handled with care, and precautions should be taken to avoid inhalation, skin contact, or ingestion. When paraformaldehyde is heated, it releases formaldehyde gas, which is a strong irritant. Adequate ventilation and protective equipment should be used when working with paraformaldehyde. Dissolution: To use paraformaldehyde as a fixative or in other applications, it is typically dissolved in water to generate a formaldehyde solution. Storage: Paraformaldehyde should be stored in a cool, dry place away from heat sources and incompatible materials.
Ammonium sulfate is a common inorganic salt. It contains two ammonium ions and one sulfate ion. This salt is widely used in various applications, including agriculture, industrial processes, and laboratory settings. Here are some key points about ammonium sulfate: Nitrogen and Sulfur Content: Ammonium sulfate is a good source of both nitrogen and sulfur. The nitrogen is in the ammonium form, making it readily available for plants. Solubility: Ammonium sulfate is highly soluble in water, allowing it to be easily dissolved for use in liquid fertilizers or irrigation systems. Fertilizer Use: It is commonly used as a nitrogen and sulfur fertilizer in agriculture to provide essential nutrients for plant growth. The nitrogen in ammonium sulfate is gradually released, providing a sustained nutrient supply to plants. Acidity: Ammonium sulfate is acidic in nature, and its application can contribute to lowering the pH of the soil. This can be beneficial in alkaline soils or for crops that prefer slightly acidic conditions. Soil Amendment: In addition to providing nutrients, ammonium sulfate can also serve as a soil amendment for improving certain soil characteristics. Industrial Applications: Ammonium sulfate is used in various industrial processes, including the production of textiles, dyes, and flame retardants. It is also employed in certain chemical reactions and as a precipitant in laboratories. Yeast Nutrient: In the brewing industry, ammonium sulfate is sometimes used as a yeast nutrient in the fermentation process. Compatibility: Ammonium sulfate is generally compatible with other fertilizers, and it can be used in combination with them to provide a balanced nutrient profile. Safety Considerations: When handling ammonium sulfate, it's important to follow safety guidelines and use appropriate protective equipment to prevent skin or eye contact and inhalation. Storage: Ammonium sulfate should be stored in a cool, dry place to prevent moisture absorption.
Formalin is a solution of formaldehyde gas dissolved in water. Formaldehyde is a colorless, strong-smelling gas that is commonly used in a liquid form, as formalin, for various industrial applications. Here are some key points about formalin: Chemical Composition: Formalin is typically a 37% aqueous (water-based) solution of formaldehyde. The remaining percentage is water. Uses: Preservation: Formalin is widely used as a preservative for biological specimens. It helps to prevent decay and decomposition, making it essential in laboratories, museums, and medical facilities for preserving tissues and specimens. Disinfectant: It has antimicrobial properties, and as such, formalin solutions are sometimes used as disinfectants and biocides. Textile Industry: Formalin can be used in the textile industry for wrinkle-resistant finishes on fabrics. Health and Safety Concerns: Formalin is a strong irritant and can be harmful if inhaled, ingested, or comes into contact with the skin. Prolonged or repeated exposure to formaldehyde can cause respiratory irritation and may be associated with certain health risks. Proper ventilation and personal protective equipment are recommended when working with formalin. Regulation: Due to its potential health risks, the use and handling of formalin are subject to regulations and guidelines in many countries. These regulations aim to ensure safe practices and protect workers and the environment.
Product Name Android MiniPOS Aisino A80 OS Android 7.1 Secure operating system Processor 32-bit, Quad-core, 1.1Ghz application processor High performance secure processor Memory RAM: 1GB (optional 2GB) ROM: 8GB (optional 16GB) Display 5 Color screen 1280 720 Touch Screen Capacitive touchscreen Keys 1 Power key 1 Function key 3 Touch keys WIFI 2.4GHz IEEE802.11b/g/n Communications 4G 3G 2G Bluetooth BT 4.X Card Readers IC card reader NFC reader Camera 2 MP Rear Camera 1D/2D barcode scan Optional: 5MP rear zoom camera GNSS GPS GLONASS BeiDou Indicator Lights 4 NFC LEDs 1 Charging indicator Audio Speaker Microphone Card Slots 1 SIM 2 PSAM Battery 3.85V/3000mAh Dimensions 150 75 16mm L W H Weight 220g Peripheral Port 1 USB OTG, Type-C, 5V Environmental Operating temperature: 0 ~ 50 Storage temperature-20 ~ 70 Relative humidity 5%~95%, Non-condensing Optional Configurations ASD18 Bluetooth Printer Docking Station
Specification item value Brand Name for dell Processor Manufacture Intel Memory Capacity 16GB Processor Type Intel I7 Graphics Card Type Integrated Card Hard Drive Capacity 512GB Screen Size 14.1" Display Ratio 16:9 Display resolution 1920x1080 Plugs Type Other Hard Drive Type SSD Video Memory Type GDDR3 Operating System Windows 10pro Processor Main Frequency 2.66GHz Processor Core Quad Core PPI 132 Refresh Rate 65HZ WLAN WiFi 802.11 a/b/g Keyboard language English Private Mold yes Appearance Slight scratch Grade A+ ( Almost new ) Accessories With third party accessories Model Number latitude e7490 Condition Original Refurbished Products Status Official Refurbished Quality 99% New/98%new/95%new Type Netbook Notebook Keyword Second Hand Refurbished Laptop Computer Style Ultrathin Portable Hot sale with Labtop Selling point Ready Port 3*USB3.0 Network Unlocked Model HP Probook 840 G5 CPU Intel Core i5 8th Graphics AMD Radeon RX 540 Display pixel 1366*768(14.1'') Camera Dedicated Card Operating System Windows10 Battery 3-cell lithium battery Colour Silver Size 326-234*17.9mm Weight 1.48kg Hard disk capacity 8G+256GB Interface 2xUSB, USB Type-C hdmi Headphone/Microphone 2 in 1 RJ45 SIM card slot Expansion dock interface
