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ICP:鲁ICP备13030474号-1 Powered by www.300.cn
Zinc oxide for phosphating solution
basic information
Test items |
skills requirement |
results of testing |
Zinc oxide (as dry)% |
≥99.7 |
99.72 |
Metal (in terms of Zn)% |
no |
no |
Lead oxide (in terms of Pb)% |
≤0.015 |
0.0001 |
Copper oxide (calculated as Cu)% |
≤0.0002 |
0.0001 |
Hydrochloric acid insoluble matter % |
≤0.006 |
0.002 |
Burning reduction % |
≤0.2 |
0.16 |
Water soluble % |
≤ 0.10 |
0.08 |
105 ° C volatiles % |
≤0.3 |
0.17 |
Sieve residue (45um)% |
0.006 |
0.006 |
Iron (Fe) content % |
0.002 |
0.002 |
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Zinc oxide indirect method