MAI is conducting an in-house study on the effects of field preservatives and analytical methodology on Cyanide results. We will be happy to share this study with you upon completion. In order for us to perform this study please submit a COC indicating if any of the following have been added to cyanide water sample(s):
- 1. Ascorbic acid
- 2. Sodium thiosulfate
- 3. Sodium bisulfite
- 4. Any other dechlorination agent (please list chemical name)
- 5. Sulfamic acid
- 6. NaOH (please indicate the pH target)
- 7. Pb acetate, Pb carbonate or other sulfide scavenger; or sample dilution
- 8. Ethylenediamine for Aldehydes
