三氯化鐵技術(shù)指標|三氯化鐵國家執(zhí)行標準|
三氯化鐵國家執(zhí)行標準:GB/T 1621-2008
三氯化鐵技術(shù)指標:
|
氯化鐵(FeCl3)的質(zhì)量分數(shù)/* ≥ |
96.0 |
41.0 |
93.0 |
38.0 |
|
氯化亞鐵(FeCl2)的質(zhì)量分數(shù)/* ≤ |
2.0 |
0.30 |
3.5 |
0.40 |
|
不容物的質(zhì)量分數(shù) ≤ |
1.5 |
0.50 |
3.0 |
0.50 |
|
游離酸(以HCl計)的質(zhì)量分數(shù)/* ≤ |
— |
0.40 |
— |
0.50 |
|
砷(As)的質(zhì)量分數(shù)/* ≤ |
0.0004 |
0.0002 |
— | — |
|
鉛(Pb)的質(zhì)量分數(shù)/* ≤ |
0.002 |
0.001 |
— | — |
|
汞(Hg) 的質(zhì)量分數(shù)/* ≤ |
0.00002 |
0.00001 |
— | — |
|
鎘(Cd)的質(zhì)量分數(shù)/* ≤ |
0.0002 |
0.0001 |
— | — |
|
鉻[Cr(VI)]的質(zhì)量分數(shù)/* ≤ |
0.001 |
0.0005 |
— | — |