Sodium Citrate
Sodium Citrate
Detailed Information
| 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