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Certificate of Analysis
Product Name: Citric acid Catalogue Number: GR-311
Batch Size: N/A Lot Number: 20230101
CAS Number: 77-92-9 Production Date:
Molecular Formula: C6H8O7 Report Date: 2023-01-01
Molecular Weight: 192.12 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
CHARACTERISTICS COLORLESS OR WHITE CRYSTAL COLORLESS OR WHITE CRYSTAL
IDENTIFICATION TEST PASS THE TEST PASS THE TEST
ASSAY 99.5-101.0% 99.91%
MOISTURE 7.5-9.0% 8.61%
SULPHATED ASH ≤0.1% 0.02
SULPHATE ≤150ppm <30ppm
OXALATE ≤350ppm <20ppm
CALCIUM ≤200ppm <10ppm
HEAVY METALS ≤10ppm <1ppm
IRON ≤50ppm <1ppm
CHLORIDE ≤50ppm <5ppm
READILY CARBURETED SUBSTANCE STANDARD COLOUR LESS THAN STANDARD COLOUR
BARIUM PASS THE TEST PASS THE TEST
BACTERIAL ENDOTOXIN ≤0.5 <0.5
ALUMINIUM ≤0.2ppm <0.2ppm
ARSENIC <0.1ppm
MERCURY <0.01ppm
LEAD <0.3ppm
ORGANIC VOLATILE IMPURITY PASS THE TEST
TRIDODECYLAMINE <0.1ppm
U.V. RADIATION ABSORPTION VALUE PASS THE TEST
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Prepared by: Reviewed by: Aproved by General manager:
Date: Date: Date:
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