Histology of Epithelium - Dr Muhammad Ali Rabbani - Medicose Academics
Bismuth subnitrate coa
1. OCTAGON CHEMICALS LIMITED
CERTIFICATE OF ANALYSIS
PRODUCT NAME: Bismuth Subnitrate BATCH No: 190803
MANUF. DATE:2019.08.13 EXPIRY DATE: 2021.08.12
Approved by: Liu Reviewed by: Guan Analyzed by: Zhang
Items Standards: USP36 Results
Appearance Odorless, white powder Conforms
Solubility
Insoluble in water and alcohol,
readily dissolved by hydrochloric
acid or by nitric acid
conforms
Identification Should conform conforms
Choride NMT0.035% <0.035%
Sulphate Should conform conforms
Carbonate Should conform conforms
Loss on drying NMT3.0% 1.69%
Alkaline&alkaline earth
metal
NMT0.5% 0.39%
Copper Should conform Conforms
Lead Should conform Conforms
Silver Should conform conforms
Arsenic NMT8.0ppm <8ppm
Ammonium Should conform Conforms
Content(Bi2O3)
NLT79% 81.2%
CONCLUSION: It meets the requirements of USP36 Standards