| 化学文摘社编号. |
7758-02-3 |
| 小额信贷 |
BrK |
| Einecs编号没了 |
231-830-3 |
| 出生地 |
China (Mainland) |
| 年级的标准 |
Electron Grade |
| 纯洁的 |
99.5% |
| 出现 |
White crystal |
| 适用 |
Nerve sedative |
| 牌子的名字 |
jixiang |
| 模式的数量 |
000 |
KBr for film, photographic film emulsion or preparation reagent, used as sedatives in the medical; Photo Grade appearance white crystalline potassium bromide particles or crystalline powder Product: Potassium Bromide Specification Industrial GradePhoto Second GradeMedicalGradeAppearance White crystalWhite crystalWhite crystalPurity% 98.5 min99.0 min99.5 minMoisture% 1.0 max1.0 max0.5 maxChloride (Cl)% 1.0 max0.3 max0.25 maxBromate (BrO3) % --0.003 maxSulphate (SO4)% 0.05 max0.02 max0.01 maxpH (5% solution) 6.0-8.06.0-8.06.0-8.0Arsenic (As) mg/kg -10 max0.2 maxLead (Pb)mg/kg -10 max0.2 maxIron (Fe)mg/kg --0.5 maxCopper (Cu)mg/kg --0.5 maxColorless crystal or white powder. Have a strong salty. To light yellow discoloration. Slightly hygroscopic. 1g products soluble in cold water 1.5ml, 1ml boiling water, 4.6ml glycerol, 250ml of ethanol, aqueous solution is neutral. The relative density of 2.75. Melting point of 730. Boiling point 1435 °C. Irritant. Determination of copper and silver bit. Polarographic analysis of indium, cadmium and arsenic. Reagent. Pesticide analysis. This product should be sealed dried and stored.