Abstract
The free available chlorine (FAC) amperometric titration measurement is subject to interference errors from chloramines. Current measurements from chloramines were as much as 17% of the total chlorine in the presence of a 2:1 molar excess of free amine at 0 V vs SCE. Interferences with this method increased as the positive applied voltage on the platinum electrode decreased. This trend was observed with both model compounds and chlorinated process waters. The interference from combined chlorine in one chlorinated and settled drinking water was up to 50% of the FAC response. Current increases after each addition of phenylarsine oxide (PAO) were observed with N-chlorosuccinimide, but not with the other chloramines tested.
| Original language | English |
|---|---|
| Pages (from-to) | 981-985 |
| Number of pages | 5 |
| Journal | Environmental Science and Technology |
| Volume | 24 |
| Issue number | 7 |
| DOIs | |
| State | Published - Jul 1 1990 |
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Dive into the research topics of 'Interferences by Monochloramine and Organic Chloramines in Free Available Chlorine Methods. 1. Amperometric Titration'. Together they form a unique fingerprint.Cite this
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