Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Citric Acid 25% Solution
Technical · 25%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS番号
- 77-92-9
- 構造
構造・PubChem - グレード
- Technical · 25%
- Assay specification
- 24.5 - 25.5 % (w/w)
- Answer summary
Sample specification reference for Citric Acid 25% Solution. Source-record results are reference values, not measurements for your lot.
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay as Anhydrous Citric Acid | 24.5 - 25.5 % (w/w) | 24.91 % | Alkalimetric titration (NaOH to phenolphthalein), reported as anhydrous C6H8O7 % w/w |
| Citric Acid | 24.5 - 25.5 wt% | 24.9 wt% | — |
| Residue on Ignition (sulfated ash) | Max 0.02 % | 0.0018 % | Residue on ignition (sulfated ash), gravimetric |
| Heavy Metals (as Pb) | 2.5 ppm max | 0.08 ppm | ICP-OES, USP <233> |
| Color | Max 100 APHA | 7 APHA | — |
| Appearance | Clear/white to pale yellow free from foreign particles | Passes test | — |
| Composition | 25 % citric acid in deionized water, by weight | Conforms | By formulation; confirmed by specific gravity |
Specification limits and source-record results are reproduced from the current product reference used by the TDS. This sample is not an issued certificate and does not identify a tested lot. Contact Alliance Chemical with the product and lot number for lot-specific documentation.
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