免费看国产精品久久久久,亚洲欧美一区二区三区在线播放,夫妇当面交换作爱,久久少妇视频

Product name: Industrial grade ammonium chloride
CAS number: 12125-02-9
Molecular formula: NH 4 Cl
Molecular weight: 53.49

Product packaging: kraft paper bag or inner plastic outer weaving, 25kg/bag, 50kg/bag, ton bag. Chinese and English marks.
Product introduction: Ammonium chloride is refined from industrial ammonium chloride to purify, remove impurities, remove sulfate ions, heavy metal ions, variable valence ions and other harmful substances. It has no impurities, no agglomeration, and is completely like quicksand.

Property: This product is colorless crystal or white crystalline powder, odorless, salty and cool. Hygroscopic. Relative density 1.527, sublimated when heated to 350°C, boiling point 520°C, easily soluble in water, soluble in glycerin, slightly soluble in ethanol, insoluble in acetone and ether.

Storage: It should be stored in a cool, ventilated, dry warehouse, pay attention to moisture. Avoid co-storage and transportation with acids and alkalis. Protect from rain and hot sun during transportation. Handle with care when loading and unloading to prevent damage to the package. In case of fire, water, sand, and carbon dioxide fire extinguishers can be used to extinguish the fire.

Fabric printing and dyeing; detergents; crop fertilizers, suitable for rice, wheat, cotton, hemp, vegetables and other crops;
analytical chemical reagents, such as the preparation of ammonia-ammonium chloride buffer solution, as an applicable electrolyte in electrochemical analysis for emission spectroscopic analysis Arc stabilizer, influence inhibitor for atomic absorption spectroscopic analysis, inspection of synthetic fiber viscosity;