| ITEM | STANDARD |
| APPEARANCE | WHITE GRANULAR |
| IDENTIFICATION | 1). BROMINE TEST: POSITIVE 2). QUANTITATIVE TEST FOR POTASSIUM SALT: POSITIVE 3).IR: CONFORMS WITH STANDARD SPECTRUM |
| ASSAY | 99.0%- 101.0% |
| LOSS ON DRYING | =< 0.5% |
| ODOR | SLIGHT CHARACTERISITC ODOR |
| HEAT STABILITY | NO CHANGE IN COLOR AFTER HEATING FOR 90 MINUTES AT 105℃ |
| MELTING POINT (℃) | 133.0- 135.0 |
| COLOR OF SOLUTION | =< 70 |
| LIGHT STABILITY | NO CHANGE IN COLOR AFTER AN HOUR LIGHT |
| FOREIGN MATERIAL ANALYSIS | NO OBVIOUS FOREIGN MATERIAL THROUGH 0.8 μm FILTER |
| ALKANLINITY (AS K2CO3) | =< 0.4 ML OF 0.1N HYDROCHLORIC ACID |
| CHLORLDE (AS CL) | =< 0.018% |
| ALDEHYDES (AS HCHO) | =< 0.1% |
| SULFATE (AS SO4) | =< 0.02% |
| ARSENIC | =< 3 PPM |
| LEAD | =< 2 PPM |
| MERCURY | =< 1 PPM |
| HEAVY METALS (as PB) | =< 10 PPM |
| TOTAL PLATE COUNT | =< 100 CFU/ G |
| MOULD & YEAST | =< 50 CFU/ G |
| E. COLI | =< 30MPN/ 100G |