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Sodium Citrate

Sodium Citrate

Molecular Formula：C6H5Na3O7
Molecular Weight：258.069
CAS NO：68-04-2
Packaging：25Kg Bagged
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Detailed Info
Sodium Citrate Product Quality Indicators
Analysis items Specification
Pharmaceutical grade Food grade Feed grade Industrial grade
Content (calculated as Na₃C₆H₅O₇) ≥99.5% (USP) ≥99.0% (GB 1886.25/FCC) ≥97.0% ≥95.0%
Sodium content (calculated as Na) 23.5 - 24.5% 23.0 - 24.0% 22.0 - 23.5% 21.0 - 22.5%
pH value (5% aqueous solution) 7.0 - 9.0 7.5 - 9.5 - -
Loss on drying (150℃) 11.0 - 13.0% ≤13.5% ≤15.0% ≤18.0%
Heavy metals (calculated as Pb) ≤5 ppm ≤10 ppm ≤15 ppm ≤30 ppm
Arsenic (As) ≤0.5 ppm ≤1 ppm ≤2 ppm ≤3 ppm
Lead (Pb) ≤0.3 ppm ≤0.8 ppm ≤1.5 ppm ≤3 ppm
Chlorides (Cl) ≤0.005% ≤0.01% ≤0.05% ≤0.1%
Sulfates (SO₄) ≤0.01% ≤0.03% ≤0.1% ≤0.5%
Oxalate impurities ≤0.01% ≤0.03% ≤0.1% ≤0.5%

Application Scope

1、Food processing: As a food additive, it adjusts acidity and is often used in beverages, fruit juices and seasonings.

2、Medicine: Used in the pharmaceutical industry as a sodium source to help maintain electrolyte balance and is often used in nutritional supplements.

3、Chemical industry: As a buffer, it participates in various chemical reactions and is widely used in laboratory analysis and preparation processes.

4、Agriculture: Used as a fertilizer to provide sodium elements needed by plants and promote plant growth.

【Label Description】

Food - grade Sodium Citrate, Industrial - grade Sodium Citrate
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