APRERANCE | White or almost white crystal powder |
IDENTIFICATION | Positive |
ASSAY | 98.5-101.0% |
PH | 2.7-3.3 |
ABSORBANCE OF SOLUTION | ≤0.025 |
SOLUBILITY | Pass |
APPREANCE OF SOLUTION | Clear and not more than Y7 |
SULPHATE | ≤300ppm |
LIMIT OF NITRATE | Complies |
HEAVY METALS | ≤20ppm |
WATER | ≤5.0% |
RESIDUE ON IGNITION | ≤0.1% |
RESIDUAL SOLVENTS | Complies |
RELATED SUBSTANCES | Within limited |