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|
National standard |
Physicochemical index |
||||
|
Arsenic |
≤10mg/kg |
p plumbum |
≤50mg/kg |
appearance |
Yellow liquid |
|
Chromium(Cr) |
≤50mg/kg |
Mercury(Hg) |
≤5mg/kg |
PH(dilute to 1:250) |
6.5-7.5 |
|
Cadmium(Cd) |
≤10mg/kg |
|
|
Water insoluble |
≤2.0% |
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