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| WLN-CA.W.79.1 | Determination of dissolved sulphide in water by means of the discrete analyser | in-house method |
| Principle: | Hydrogen sulphide with N,N-dimethyl-p-phenylene diamine oxalate forms leukomethylene blue, which is oxidized by iron(III)ions into methylene blue. The extinction of the solution is measured at 659 nm and is a measure for the sulphide content. | |
| Determination: | Sulphide | |
| Performance characteristics: | ||
| Reporting limit: | 0.1 mg S/l, matrix dependent | |
| Sustainability: | 1 day | |
| Sampling bottle: | Glass , white , 100 ml | |
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| [ 04-12-2022 23:16:02 ] |