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Certificate of Analysis
Product Name: Cobalt(II) acetate tetrahydrate Catalogue Number: GR-61372
Batch Size: 800KG Lot Number: 20230103
CAS Number: 6147-53-1 Production Date:
Molecular Formula: C4H14CoO8 Report Date: 2023-01-03
Molecular Weight: 249.08 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance Purple - red crystals Conforms
Cobalt ≥23.5% 23.6%
Water insoluble ≤100 ppm 32.15 ppm
Chloride ≤20 ppm <10 ppm
Sulfate ≤200 ppm <100 ppm
Iron ≤10 ppm 1.23 ppm
Nickel ≤800 ppm 4.65 ppm
Heavy Metals ≤10 ppm 1.41 ppm
Alkali Metals and Alkaline ≤300 ppm 22.74 ppm
Nitrate ≤500 ppm <50 ppm
Zinc ≤200 ppm 1.13 ppm
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