Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Nitric Acid 40% Technical Grade
Technical · 40%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 7697-37-2
- Structure
Structure · PubChem - Grade
- Technical · 40%
- Assay specification
- 39.0 - 41.0 %
- Answer summary
Sample specification reference for Nitric Acid 40% Technical 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 |
|---|---|---|---|
| Color (APHA) | <= 50 | 7 | — |
| Nitrite (NO2) | <=15 ppm | 1.0 ppm | — |
| Residue after evaporation | <= 25 ppm | 2.7 ppm | — |
| Sulfate (SO4) | <=10 ppm | 0.000021 % | — |
| Chloride (Cl) | <= 3 ppm | 0.055 ppm | — |
| Iron (Fe) | <= 10 ppm | 0.023 ppm | — |
| Assay (HNO3) | 39.0 - 41.0 % | 39.7 % | — |
| Phosphate (PO4) | 0.0001 % max | 0.0000068 % | Molybdenum blue colorimetric |
| Substances reducing permanganate (as HNO2) | 0.00031 % max | 0.000046 % | Titrimetric, KMnO4 decolorization |
| Appearance | Colorless to a pale yellow | Passes test | — |
| Lead (Pb) | 0.0000035% max | 0.00000032 % | — |
| Residue after Ignition | 6.9 ppm max | 0.50 ppm | — |
| fluoride | 3.1 ppm max | 0.036 ppm | — |
| oxides of nitrogen | 62 ppm max | 0.48 ppm | — |
| oxidizable constituents as hno2 | 9.2 ppm max | 0.45 ppm | — |
| Specific gravity (20 °C) | 1.241 - 1.251 | 1.244 | — |
| Composition | 40 % nitric 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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