塩化鉄
仕様(塩化鉄)
アイテム | 標準 |
塩化鉄 | ≥40% |
Fe2+ | ≤0.1% |
比重SG | ≥1.40 |
遊離酸 | ≤0.4% |
不溶性物質 | ≤0.5% |
Zn | ≤0.1% |
Cr | ≤0.1% |
Pb | ≤0.1% |
As | ≤0.1% |
Cd | ≤0.1% |
Hg | ≤0.1% |
≤0.1% |
規格(塩化第一鉄四水和物)
アイテム | 標準 |
Fe2+ | ≥26.5% |
酸不溶性物質 | ≤0.5% |
SO42- | ≤2.0% |
As | ≤0.0005% |
Pb | ≤0.004% |
Hg | ≤0.00002% |
Cd | ≤0.0005% |
Cr | ≤0.01% |
Zn | ≤0.15% |
規格(塩化鉄六水和物)
アイテム | 標準 |
アッセイ | ≥96% |
Fe2+ | ≤0.15% |
遊離酸 | ≤0.8% |
不溶性物質 | ≤1.0% |
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