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Test List > T > Total Cyanide

Below is a full list of analytical tests performed by TEI. Scroll through the list and click on a test name to see a list of individual methods and a more detailed description.

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Total Cyanide by EPA Method 335.2

Applicable to the determination of cyanide in drinking, surface and saline waters; and domestic and industrial wastes. Collect at least 1 L samples in glass or plastic bottles. Test sample for the presence of oxidizing agents using KI-starch paper. If oxidizers are detected, add ascorbic acid until a drop test is negative. Then add 0.06 g of additional ascorbic acid. Preserve samples by adjusting to a pH < 12 with NaOH. Refrigerate samples at 4C until analysis.
https://www.nemi.gov/apex/f?p=237:38:3190301636725031::::P38_METHOD_ID:4700