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Certificate of Analysis
Product Name: Zinc picolinate Catalogue Number: GR-9904746
Batch Size: 200KG Lot Number: 20230905
CAS Number: 17949-65-4 Production Date:
Molecular Formula: C12H8N2O4Zn Report Date: 2023-09-05
Molecular Weight: 309.6 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance Whtie powder Conforms
Zinc 20.0%~23.0% 20.4%
Loss on drying ≤2.5% 0.8%
Particle size (pass 60 mesh) ≥95.0% 96.5%
pH(0.5% solution) 5.0~8.0 7.1
Cd ≤1 ppm 0.1 ppm
Pb ≤1 ppm 0.4 ppm
Hg ≤ 0.2 ppm ND
As ≤1 ppm ND
Total plate count ≤300 cfu/g 10 cfu/g
Yeast&mold ≤100 cfu/g 8 cfu/g
E. coli ND ND
Salmonella ND ND
S. Aureus ND ND
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