含量   /%

≥99.8

≥99.5

≥99.5

根据客户要求定做

PH值(50g/L,25℃)

5.0-8.0

5.0-8.0

5.0-8.0

澄清度试验

合格

合格

合格

水不溶物 /%

≤0.003

≤0.005

≤0.02

干燥失重 /%

≤0.2

≤0.2

≤0.5

碘化物(I) /%

≤0.001

≤0.002

≤0.012

溴化物(Br) /%

≤0.005

≤0.01

≤0.05

硫酸盐(SO₄) /%

≤0.001

≤0.002

≤0.005

总氮量(N) /%

≤0.000   5

≤0.001

≤0.003

磷酸盐(PO₄) /%

≤0.000   5

≤0.001

-

砷(As)   /%

≤0.000   02

≤0.000   05

≤0.000   1

镁(Mg)   /%

≤0.001

≤0.002

≤0.005

钾(K)   /%

≤0.01

≤0.02

≤0.04

钙(Ca)   /%

≤0.002

≤0.005

≤0.01

六氰合铁(Ⅱ)酸盐

[以Fe(CN)₆计] /%

≤0.000   1

≤0.000   1

-

铁(Fe)   /%

≤0.000   1

≤0.000   2

≤0.000   5

钡(Ba)   /%

≤0.001

≤0.001

≤0.001

重金属(以Pb计) /%

≤0.000   5

≤0.000   5

≤0.001