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分子式:C2H3NaO2·xH2O(x=0 or 3)
分子量: anhydrous: 82.03 ; trihydrate:136.08
CAS NO: anhydrous 127-09-3 ; trihydrate 6131-90-4
質(zhì)量指標(biāo)
參數(shù) | FCC V | E262(i) |
鑒別試驗(yàn)) | Pass test | Pass test |
(含量) % | 99.0-101 | ≥98.5 |
(堿度) % | ≤0.2 anhydrous | --- |
鉛) mg/kg | ≤2 | ≤2 |
干燥減量)% | ≤1.0 anhydrous | ≤2.0 anhydrous (120℃,4hours) |
(鉀化合物) % | Pass test | |
PH(1%) | --- | 8.0-9.5 |
(砷) mg/kg | --- | ≤3 |
y(汞) | --- | ≤1 |
(甲酸) mg/kg | --- | ≤1000 |