| SOLUBILITY |
PRACTICALLY INSOLUBLE IN ALL USUAL SOLVENTS |
| IDENTIFICATION ( TEST A & B) |
PER BP |
| ACIDITY OR ALKALINITY |
MAX. 0.75 ML OF 0.02 M HCL IS REQUIRED TO CHANGE THE COLOUR OF THE INDICATOR TO YELLOW |
| ACID-SOLUBLE SUBSTANCES |
MAX. 3.0 % |
| ALKALI SOLUBLE COLOURED SUBSTANCES |
THE SOLUTION IS NOT MORE INTENSELY COLOURED THAT REFERENCE SOLUTION GY4 |
| ETHANOL (96%) SOLUBLE SUBSTANCES |
MAX. 0.5 % |
| FLUORESCENT SUBSTANCES |
PER BP |
| SULPHIDES |
PER BP |
| COPPER |
MAX. 0.0025 % |
| LEAD |
MAX. 0.001 % |
| ZINC |
MAX 0.0025 % |
| LOSS ON DRYING IN OVEN AT 120° C FOR 4 HRS |
MAX. 15 % |
| SULPHATED ASH |
MAX. 5.0 % |
| ADSORPTION POWER (DRIED SUBSTANCE) |
MIN. 40 GM OF PHENAZONE IS ADSORBED PER 100 GM OF ACTIVATED CHARCOAL |
| MICROBIAL CONTAMINATION TOTAL VIABLE AEROBIC COUNT |
1000 CFU/GM BY PLATE COUNT |
| RESIDUAL SOLVENTS |
NO SOLVENT USED |