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铋。
用途:通用試劑。用于铋鹽的制造。芸香苷及栎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
質量标準Quality standard:企業标準Enterprise standard
檢測項目Test |
檢測标準Specification |
|
幹燥失重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% |