|
规格
指标名称
|
二级
|
三级
|
指定级
|
|
含量/%
|
99.0-101.0
|
98.0-101.0
|
根据客户要求定做
|
|
水不容物/%
|
≤0.005
|
≤0.02
|
|
|
氯化物(Cl) /%
|
≤0.001
|
≤0.005
|
|
|
总氮量(N) /%
|
≤0.001
|
-
|
|
|
磷酸盐(PO4) /%
|
≤0.000 5
|
≤0.002
|
|
|
砷(As) /%
|
≤0.000 2
|
≤0.000 2
|
|
|
锰(Mn) /%
|
≤0.05
|
-
|
|
|
高铁(Fe) /%
|
≤0.02
|
≤0.10
|
|
|
铜(Cu) /%
|
≤0.002
|
≤0.01
|
|
|
锌(Zn) /%
|
≤0.005
|
≤0.02
|
|
|
铅(Pb)/%
|
≤0.002
|
≤0.005
|
|
|
氨水不沉淀物(硫酸盐)/%
|
≤0.05
|
≤0.2
|
厂家直销试剂级分析纯硫酸亚铁