Bismuth Subcitrate Potassium

Bismuth subcitrate potassium is a bismuth salt with several uses including pharmaceutical use. Bismuth subcitrate potassium is a salt of bismuth, potassium, and citrate, which may come in a molar ratio of about 1:5:2, with 3 moles of water and also somewhat different ratios of the constituents. Bismuth subcitrate potassium trihydrate is also offered.

Specifications of Bismuth Subcitrate Potassium:
Appearance: It occurs as a white to off-white powder
Identification: It gives test for Bismuth, Potassium and Citrate
pH of 1% w/w solution: Between 5 to 8
Assay as Bi2O3: Not less than 38.2% and not more than 40.6%
Assay as Potassium: Not less than 10.5% and not more than 15.5%
Moisture content: Not more than 5.0%
Ammonia: Between 2.0% to 5.0%
Arsenic: Not more than 2ppm
Nitrate: Should be absent
Lead: Not more than 5ppm
Copper: Not more than 5ppm
Solubility: Soluble in liquor ammonia.

Certifications :
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