| 外觀 | FREE FLOWING WHITE POWDER |
| CONTENT | 99.0% ~ 100.5% |
| LOSS ON DRYING | ≤ 1.5% |
| ACIDITY & ALKALINITY | 0.2 ml |
| WATER SOLUTION TEST | CLEAR |
| HEAVY METALS (AS PB) | ≤ 10 PPM |
| ARSENIC | ≤ 3 PPM |
| CHLORIDES | ≤ 200 PPM |
| SULFATE | ≤ 0.10% |
| CARBURET | MEETS THE REQUIREMENT |
| OXIDE | MEETS THE REQUIREMENT |
| TOTAL CHLORIDE | ≤ 300 PPM |
| COLOUR OF SOLUTION | Y6 |
| PHTHALIC ACID | MEETS THE REQUIREMENT |
苯甲酸钠
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