Claims
- 1. A method for removing sulfide from a liquid sample such as water in a test for arsenic, the method comprising:
(a) adding a strong oxidizing agent to said sample to oxidize the sulfide to sulfate; (b) adding an organic amine to said sample to react with any remaining oxidizing agent.
- 2. The method in accordance with claim 1, wherein said oxidizing agent comprises potassium peroxymonopersulfate.
- 3. The method in accordance with claim 1, wherein said organic amine is selected from the group consisting of: EDTA, BES, and Bicine.
- 4. The method in accordance with claim 1, comprising the further step of adjusting the pH of said sample to the range of 6 to 8 prior to adding said oxidizing agent.
- 5. The method in accordance with claim 4, wherein said pH is adjusted by means of addition of dipotassium phosphate to said sample.
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application is based upon, and claims the benefit of, my Provisional Application No. 60/193,863, filed Mar. 30, 2000.
Provisional Applications (1)
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Number |
Date |
Country |
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60193863 |
Mar 2000 |
US |