|
规格 指标名称 |
分析纯-AR |
化学纯-CP |
高纯 |
优等品 |
|
含量（CH3COONa) /% |
≥99.0 |
≥98.5 |
≥99.0 |
≥99 |
|
PH值(50g/L,25℃) |
7.5~9.0 |
7.5~9.0 |
7.5~9.0 |
7.5-9.0 |
|
澄清度试验 |
合格 |
合格 |
合格 |
－ |
|
水不溶物/% |
≤0.005 |
≤0.01 |
≤0.05 |
≤0.05 |
|
氯化物(Cl) /% |
≤0.002 |
≤0.005 |
≤0.035 |
≤0.085 |
|
硫酸盐(SO4) /% |
≤0.003 |
≤0.01 |
≤0.005 |
≤0.005 |
|
磷酸盐(PO4) /% |
≤0.000 5 |
≤0.001 |
≤0.002 |
－ |
|
镁(Mg) /% |
≤0.000 5 |
≤0.001 |
－ |
－ |
