Bismuth hydroxide
Bismuth hydroxide
分子式Molecular formula：Bi(OH)3
分子量Molecular weight：260.02
性狀：白色無定形粉末。比重4 962(15℃)，415℃分解。易溶于酸，不溶于水和堿溶液，易呈膠狀物，熱至100℃失去一分子水而成黃色的偏氫氧化鉍。
用途：通用試劑。用于鉍鹽的制造。蕓香苷及櫟精的吸收劑核糖核酸的水解，從受輻照的鈾中分離钚。
Description：White amorphous powder，Its specific gravity is 4．962(15℃)，decomposes at 415℃，easily dissolves in acid，not dissolve in water or aqueous alkali，easily shows jelly，Losing a molecule of water becomes Partial bismuth hydroxide at 100 degrees Celsius.
Usage：Common reagent．Apply for making bismuth salt Hydrolyze absorbent RNA for rutin and quercetin，separate plutonium from uranium under irradiation
質(zhì)量標(biāo)準(zhǔn)Quality standard：企業(yè)標(biāo)準(zhǔn)Enterprise standard
檢測項目Test | 檢測標(biāo)準(zhǔn)Specification | |
干燥失重Loss on dry | ≤2．0％ | |
硝酸不溶物Insoluble in nitric acid | ≤50PPm | |
氯化物 Chloride | ≤50PPm | |
硫酸鹽 Sulfate | ≤50PPm | |
硝酸鹽 Nitrate | ≤50PPm | |
氧化鐵 Fe2O3 | ≤0．01％ | |
銅(Cu) Copper | ≤10PPm | |
砷(As) Arsenic | ≤5PPm | |
銀(Ag) Silver | ≤20PPm | |
鉛(Pb) Lead | ≤10PPm | |
含量(Bi203)Content of Bi203 | ≥89．0％ |