Just to clarify an earlier post: To test my bromine level I am using a 25 ml water sample for the FAS-DPD test. Each drop will be 0.5 ppm Br. Is this correct?
Testing for bromine
- Thread starter Nnpdiana
- Start date
You can use the FAS-DPD chlorine test and just realize that when you are testing Free Chlorine (FC) in that test that you are really testing Total Bromine if you multiply your result by 2.25. So if you use a 25 ml sample, then every drop of titrant represents 0.45 ppm total bromine while if you use a 10 ml sample then every drop of titrant represents 1.125 ppm total bromine. You don't bother with the R-0003 for the CC test since it won't measure anything relevant -- the FC test measures both bromine and bromamine together (unlike chloramine that doesn't register in the FC test, but does in the CC test).
Borrowed from chem geek
Borrowed from chem geek
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