化学文摘社编号. |
7681-57-4 |
出生地 |
China (Mainland) |
纯洁的 |
97% |
Spec: 1) Na2S2O5 97%min 2Iron (as Fe)0.005%max 3) Water Insolution 0.01%max 4) Heavy metal (as Pb) 0.001%max 5) Arsenic (as As) 0.0002%max 6) PH value 4.5 Packing: 50kg, 1MT bag Other spec.: Na2S2O5 %≥ 92.5---98.5