Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Citric Acid 50% Solution
50%
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Sample COA. Lot-specific COAs ship with each order.
Last reviewed 2026-05-20.
COA · Answer summary
Typical certificate of analysis for Citric Acid 50% Solution. Lot-specific results ship with every order.
- Assay (computed)
- 50.00%
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (GC/Density) | 99 – 101 % | 50 % | GC or density |
| Appearance/Odor | — | — | Visual Inspection |
| Arsenic | ≤ 1 ppm | 0.5 ppm | Per specification |
| Chlorides | ≤ 2.5 ppm | 1 ppm | Ion chromatography |
| Color (APHA) | ≤ 400 APHA | 100 APHA | APHA |
| Heavy Metals (Pb) | ≤ 2.5 ppm | 0.8 ppm | ICP |
| Lead (Pb) | ≤ 0.25 ppm | 0.07 ppm | ICP-MS |
| Oxalate | ≤ 100 ppm | 30 ppm | Per specification |
| Residue on Ignition | ≤ 0.025 % | 0.01 % | Ignition |
| Specific Gravity @20°C | 1.243 – 1.25 g/mL | 1.25 g/mL | Hydrometer @ 25°C |
| Sulfates | ≤ 50 ppm | 15 ppm | Ion chromatography |
| Water (Karl Fischer) | ≤ 0.5 % | — | Karl Fischer |
Generated . Published by Alliance Chemical from first-party canonical product data. Our authority is hands-on chemical handling, DOT/GHS-compliant shipping, and government-registered distribution — not bench chemistry. Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.