Sample Certificate of Analysis
Technical · 5%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
Sample specification reference for Ammonium Hydroxide 5% Technical Grade. Source-record results are reference values, not measurements for your lot.
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay (NH3) | 4.7 - 5.3 % | 5.04 % | Titration |
| Limit of nonvolatile residue | 0.0086% | 0.0011 % | — |
| Iron (Fe) | Max 0.2 ppm | 0.030 ppm | 1,10-phenanthroline colorimetry / AAS |
| Heavy metals | 0.00022% max | 0.000016 % | Heavy metals (as Pb), sulfide colour comparison against lead standard on the evaporation residue |
| Readily oxidizable substances | the pink color does not completely disappear within 10 minutes | Passes test | 4.0 mL sample + 6 mL water, slight excess 2 N sulfuric acid, 0.10 mL 0.1 N potassium permanganate |
| Composition | 5 % ammonium 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.
容器のラベルに記載されたロット番号をお知らせいただければ、無料で証明書をお送りします。