item | standard | test |
appearance |
White powder
|
white powder |
assay(C6H10O6Zn)ω/% |
≥98.0
|
99.18 |
L- Zinc lactate accounts of total zinc lactate, ω/%
|
≥96.0
|
96.52 |
Loss on drying, ω/%
|
≤14.0
|
10.86 |
PH(1% aqueous solution)
|
5.0-7.0
|
5.37 |
Lead/(mg/kg)
|
≤3.0
|
<3.0 |
Arsenic/(mg/kg)
|
≤2.0
|
<2.0 |
Cadmium/ (mg / kg)
|
≤2.0
|
<2.0 |
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