ITEM | STANDARD |
CHARACTERISTIC | WHITE CRYSTAL POWDERS |
IDENTIFICATION | PASS TEST |
APPEARANCE OF SOLUTION | PASS TEST |
ALKALINITY | PASS TEST |
LOSS ON DRYING | 11.00-13.00% |
HEAVY METALS | NOT MORE THAN 5PPM |
OXALATES | NOT MORE THAN 100PPM |
CHLORIDES | NOT MORE THAN 50PPM |
SULPHATES | NOT MORE THAN 150PPM |
PH VALUE (5% AQUEOUS SOLUTION) | 7.5-9.0 |
PURITY | 99.00-100.50% |
READILY CARBONISABLE SUBSTANCES | PASS TEST |
PYROGENS | PASS TEST |
ARSENIC | NOT MORE THAN 1PPM |
LEAD | NOT MORE THAN 1PPM |
MERCURY | NOT MORE THAN 1PPM |