Sell bismuth subcarbonate

bismuth subcarbonate You May Also Be Interested In: alkali metal bismuth bismuth oxide bismuth subcarbonate
Molecular formula:(BiO)2CO371/2H2O
Molecular weight:518.976
Description:Bismuth subcarbonate is the white powder, no smell or taste. Its relative density is 6.86, decomposes carbon dioxide and bismuth oxide at the temperature 3080C. Gradually decomposes and degenerate under the light. Undisssolved in water or ethanol, easily dissolves in inorganic acid(nitric acid, hydrochloric acid) , acetic acid and ammonium chloride solution, slightly dissolves in alkali metal carbonate solution.
Usage:As astringent and X-ray diagnosis opacifier in medical industry, also can treat the gastric and duodenal ulcer, bacteria red dysentery, amoebic dysentery, acute mucosa permeable gastritis, eneritis, diarrhea, skin disease, eczema and crystal rash as well external remedy of fire wound.
Quality standard:USP/CP



TEST
SPECIFICATION

USP27
CP2005

Loss on dry
<=1.0%
<=1.5%

Chloride
<=0.05%
<=0.14%

Sulfate
---------
<=0.02%

Alikalies&Alkaline earth metals
<=1.0%
<=0.5%

Nitrate
<=0.4%
Accord with require

Copper
<=50ppm
<=50ppm

Lead
<=20ppm
Accord with require

Silver
<=25ppm
Accord with require

Arsenic
<=5ppm
<=2ppm

Carbonate
Accord with require
Accord with require

Bi
Accord with require
Accore with require

Content
97.6%-100.7%((BiO)2CO3)
80.0%-82.5%(Bi)