Industrial chemicals · Taylor, TXCertificate of AnalysisSample Certificate of Analysis
Citric Acid 25% Solution
25%
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Sample COA. Lot-specific COAs ship with each order.
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (GC/Density) | 24 – 26 % | 25 % | GC or density |
| Appearance/Odor | — | — | Visual Inspection |
| Arsenic | ≤ 1 ppm | 0.25 ppm | Per specification |
| Chlorides | ≤ 1 ppm | 0 ppm | Ion chromatography |
| Heavy Metals (Pb) | ≤ 1.25 ppm | 0.4 ppm | ICP |
| Lead (Pb) | ≤ 0.13 ppm | 0.04 ppm | ICP-MS |
| Oxalate | ≤ 100 ppm | 30 ppm | Per specification |
| Residue on Ignition | ≤ 0.01 % | 0 % | Ignition |
| Sulfates | ≤ 25 ppm | 8 ppm | Ion chromatography |
| Water (Karl Fischer) | ≤ 0.5 % | — | Karl Fischer |
Generated . Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.