Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Sodium Hydroxide 30% Technical Grade
Technical · 30%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 1310-73-2
- Structure
Structure · PubChem - Grade
- Technical · 30%
- Assay specification
- 29.00-31.00%
- Answer summary
Sample specification reference for Sodium Hydroxide 30% Technical Grade. Source-record results are reference values, not measurements for your lot.
Last reviewed 2026-06-18 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay (NaOH) | 29.00-31.00% | 29.92 % | — |
| Appearance @ 25°C | Clear liquid | Passes test | — |
| Iron (Fe) | ≤5.4 ppm | 0.23 PPM | — |
| Color (APHA) | Max 20 | 4 | ASTM D1209 (Pt-Co) |
| Nickel (Ni) | 0.6 ppm max | 0.13 ppm | ICP-OES |
| Mercury (Hg) | 0.03 ppm max | 0.00080 ppm | Cold vapor AAS |
| Sodium chlorate (NaClO3) | 24 ppm max | 7.9 PPM | Ion Chromatography |
| Sodium Chloride (NaCl) | 60 ppm max | 18 ppm | Turbidimetry |
| Sodium Carbonate (Na2CO3) | 0.06 % max | 0.020 % | Titrimetry |
| Sodium sulfate (Na2SO4) | 24 ppm max | 2.9 ppm | Ion Chromatography |
| Specific gravity (20 °C) | 1.323 - 1.333 | 1.327 | — |
| Composition | 30 % sodium hydroxide 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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