Selenious Acid specs are as below
SELENIOUS ACID – USP |
|
CAS No. : 7783-00-8 Grade : USP | |
Mol. Wt. : 128.97 g / mol Mol. Formula : H2SeO3 | |
Appearance : Off-white crystalline powder
Identification A. : Complies B. : Complies |
|
PARAMETERS | LIMITS |
Assay | 93.0 – 101.0% |
MAXIMUM LIMITS OF IMPURITIES | |
Residue on ignition | 0.01% |
Insoluble matter | Complies |
Selenate & sulphate | Complies |
SELENIOUS ACID |
|
CAS No. : 7783-00-8 Grade : LR | |
Mol. Wt. : 128.97 g / mol Mol. Formula : H2SeO3 | |
Appearance : White to off-white hygroscopic crystalline powder | |
PARAMETERS | LIMITS |
Assay | 93.0-101.0 % |
MAXIMUM LIMITS OF IMPURITIES | |
Residue on ignition | 1.0% |