Industrial chemicals · Taylor, TXCertificate of AnalysisSample Certificate of Analysis
Nitric Acid 70% ACS Grade - Low Particle
ACS Grade · 70%
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Sample COA. Lot-specific COAs ship with each order.
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (Titration) | 68 – 70 % | 70 % | Titration |
| Appearance/Odor | — | — | Visual Inspection |
| Arsenic | ≤ 0.01 ppm | 0.01 ppm | Per specification |
| Chloride (Cl) | ≤ 0.1 ppm | 0.03 ppm | ICP |
| Color (APHA/Hazen) | ≤ 10 APHA | 5 APHA | Spectrophotometry |
| Heavy Metals (as Pb) | ≤ 0.5 ppm | 0 ppm | ICP-MS (as Pb) |
| Iron (Fe) | ≤ 0.3 ppm | 0 ppm | ICP-MS |
| Residue on Evaporation | ≤ 5 ppm | 3 ppm | Evaporation |
| Specific Gravity @20°C | 1.408 – 1.413 g/mL | 1.413 g/mL | Hydrometer @ 25°C |
| Sulfate (SO4) | ≤ 0.6 ppm | 0.5 ppm | ICP |
Generated . Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.