Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Hydrofluorosilicic Acid 23% (HFS)
Technical · 23%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS番号
- 16961-83-4
- 構造
構造・PubChem - グレード
- Technical · 23%
- Assay specification
- 23.0 % min.
- Answer summary
Sample specification reference for Hydrofluorosilicic Acid 23% (HFS). 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 (H2SiF6) | 23.0 % min. | 23.8 % | — |
| Free acid (HF) | 1.0 maximum % | 0.31 % | — |
| Color | water white to straw yellow | Passes test | — |
| Heavy Metals (as lead, Pb) | <0.02% | 0.00064 % | — |
| Suspended matter | clean and free of visible suspended matter | Passes test | — |
| Specific gravity @ 60 F (15.6 C) | 1.185 - 1.215 | 1.199 | Hydrometer, AWWA B703 |
| Arsenic (As) | 10 mg/kg maximum | 1.3 mg/kg | ICP-MS |
| Sulfate (SO4) | 0.5 % maximum | 0.17 % | Ion chromatography / gravimetric (BaSO4) |
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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