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Reagent zinc oxide

Reagent zinc oxide is a kind of zinc oxide product with high tech content. It carries out HG/T2890-1997 standard. And it has the feature of low metal impurity; widely used in reagent and battery fields.

Item
Index
Zinc oxide content%≥
99.0
clarity test
qualified
insoluble in dilute sulphuric acid%≤
0.01
free alkali
qualified
chloride(Cl)%≤
0.001
sulfur compound(SO4)%≤
0.01
nitrate(NO3)%≤
0.003
Mn%≤
0.0005
Fe%≤
0.0005
As%≤
0.00005
Pb%≤
0.005
Potassium perman-ganate(O)%≤
0.002
Hydrogen sulfide not precipitate(sulfate)%≤
0.10