Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Phosphoric Acid 20% ACS Grade
ACS · 20%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS番号
- 7664-38-2
- 構造
構造・PubChem - グレード
- ACS · 20%
- Assay specification
- 19.5 - 20.5 %
- Answer summary
Sample specification reference for Phosphoric Acid 20% ACS Grade. 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 (H3PO4) | 19.5 - 20.5 % | 20.08 % | — |
| Insoluble matter | 0.00024% max | 0.000030 % | — |
| Arsenic (As) | 0.24 ppm max | 0.0076 ppm | — |
| Calcium (Ca) | 0.00048% max | 0.000053 % | — |
| Chloride (Cl) | 1 ppm max | 0.080 ppm | — |
| Heavy metals (as Pb) | 0.00024 % max | 0.000018 % | — |
| Iron (Fe) | 0.00071% max | 0.000027 % | — |
| Magnesium (Mg) | 0.00048% max | 0.000060 % | — |
| Nitrate (NO3) | 1.5 ppm max | 0.11 ppm | — |
| KMnO4 reducible matter (as O) | 0.00024% max | 0.0000117 % | — |
| Sodium (Na) | 0.0059% max | 0.00061 % | — |
| Sulfate (SO4) | 0.00078% max | 0.00014 % | — |
| Volatile acids (as CH3COOH) | 0.00024% max | 0.000039 % | — |
| Color (APHA) | Max 10 | 1 | — |
| Reducing substances | Passes Test | Passes test | — |
| Composition | 20 % phosphoric 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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