Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Glycerin 50% Food Grade
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Sample COA. Lot-specific COAs ship with each order.
Last reviewed 2026-05-20.
COA · Answer summary
Typical certificate of analysis for Glycerin 50% Food Grade. Lot-specific results ship with every order.
- Assay (computed)
- 51.00%
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (GC) | 49 – 51 % | 51 % | GC |
| Arsenic (As) | ≤ 1.5 ppm | 0.5 ppm | ICP-MS |
| Chlorides (as Cl) | ≤ 30 ppm | 3 ppm | ICP |
| Color (APHA) | ≤ 10 APHA | 3 APHA | APHA |
| Lead (Pb) | ≤ 0.5 ppm | 0.2 ppm | ICP-MS |
| Residue/Non-volatile | ≤ 0.01 % | 0 % | Residue on Ignition |
| Specific Gravity @20°C | 1.121 – 1.131 g/mL | 1.126 g/mL | Hydrometer @ 25°C |
| Sulfate | ≤ 20 ppm | 6 ppm | ICP |
| Water (Karl Fischer) | ≤ 5 % | 0.4 % | Karl Fischer |
Generated . Published by Alliance Chemical from first-party canonical product data. Our authority is hands-on chemical handling, DOT/GHS-compliant shipping, and government-registered distribution — not bench chemistry. Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.