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HSC-1/2/3/4 Differential Scanning Calorimetry Overview (DSC) Classical differential thermal calorimetry conducts thermal analysis by controlling temperature programs to observe heat effects. This method is extensively utilized across various material and chemistry research endeavors, including process optimization, quality control, and failure analysis. Through DSC, one can investigate inorganic material phase transitions, polymer melt crystallization solid/liquid ratios, drug polymorphs, food items like grease, and more. Instrument Feature of Differential Scanning Calorimeter (DSC) 01 Heat type differential scanning calorimeter repeatability, accuracy, particularly suitable for precise measurements of the specific heat. 02 Independent research and development of the constant temperature controller; Constant temperature gas chromatography and mass spectrometry connected head; Constant temperature. 03 Machine integration, and the furnace temperature control unit volume as a whole, to reduce signal loss and interference. 04 Two perfect atmosphere control system that uses mass flow controllers. 05 Instrument is equipped with standard materials, the user can correct the temperature ranges of their own, to reduce the error of the instrument. 06 Intelligent software design, full automatic drawing instrument, the software can achieve a variety of data processing, such as enthalpy calculations, the glass transition temperature, the oxidation induction period and the melting point of the crystalline material and the like. 07 DSC instrument can automatically generate test reports and oxidation induction period. Instrument Parameter of Differential Scanning Calorimeter (DSC) Temperature data Temperature range HSC-1: RTï½?680â??(optional 1150â??) HSC-2: -30ï½?680â??(mechanical refrigeration) HSC-3: -100ï½?680â??(manual feed nitrogen) HSC-4: -100ï½?680â??(automatic feed nitrogen) Temperature accuracy �±0.1 Heating rate 0.1â??/minï½?100â??/min Repeatability �±0.1â?? DSC data Temperature control Heating thermostat(the program automatically) Gas flow 10ï½?200mL/min Measurement range �±500mw Minimum resolution �±0.1�¼w Sample pan Ceramic 0.06mL Sealed aluminum crucible 30 �¼ L Aluminum 0.06mL Sealed stainless steel high-pressure crucible 30 �¼ L Platinum 0.06mL Temperature correction Baseline correction intelligent freely selectable With standard characteristics(indium,tin,lead,zinc,alumi num),the user can correct the temperature As one of differential scanning calorimeter manufacturers, we can provide kinds of differential scanning calorimeter for sale, if you are interested, please contact us. If you want to know more differential scanning calorimetry dsc solutions, please visit our website. As a thermal energy analyser company, we will do our best to meet all the needs of customers.
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As a leading company in high-purity acetonitrile, ZHONGHUI Chemical is committed to providing customers with high-purity solvent full value chain services, allowing you to better control costs, stabilize supply, control quality, dispose of waste liquid, and use solvents without worry! Product name Acetonitrile Production method synthetic acetonitrile Molecular formula C2H3N Cas number 75-05-8 Appearance and properties colorless liquid with pungent odor. Molecular weight 41.06 Melting point () -45 Boiling point () 82 Relative density 0.786 (25, 100kPa) Critical pressure (MPa) 4.83 Relative vapor density 1.42 Refractive index 1.3441 Flash point () 6 Solubility miscible with water, soluble in most organic solvents such as ethanol and ether Other Toxic, flammable, bright flame when burning. Product quality index Industry standard (SH/T1627.1-1996), ZHONGHUI Chemical Enterprise Standard (ZH/S01.1-2013) Security Information Storage precautions: Store in a cool, ventilated warehouse. Keep away from fire and heat sources. The storage temperature should not exceed 30°C. Keep the container tightly closed. It should be stored separately from oxidizers, reducing agents, acids, alkalis, combustibles, and edible chemicals, and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is forbidden to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with leakage emergency treatment equipment and suitable storage materials. Application The main purpose of acetonitrile is as a solvent. For example, as a solvent for extracting butadiene, a solvent for synthetic fibers and a solvent for some special coatings. Used in the petroleum industry to remove tar, phenol and other solvents from petroleum hydrocarbons. In the oil industry, it is used as a solvent for extracting fatty acids from animal and vegetable oils, and as a reaction medium for the recrystallization of steroid drugs in medicine. When a polar solvent with a high dielectric constant is required, a binary azeotropic mixture of acetonitrile and water is often used. Acetonitrile is an intermediate of medicine (vitamin B1) and spices, and a raw material for the manufacture of s-triazine nitrogen fertilizer synergist. It is also used as a denaturant for alcohol. In addition, it can also be used to synthesize ethylamine, acetic acid, etc., and also have many uses in textile dyeing and electronics industry. Acetonitrile is also used as a mobile phase solvent in analytical equipment such as chromatography.
