Why do we use 500ppb sucrose and 500ppb 1,4 benzoquinone in
TOC calibration?
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Answer Posted / dev rawat
In Toc Analyzer Calibration (System suitability) we are preparing Standard sucrose of 500PPb and Benzoquinone Preparing of 500ppb . Sucrose is easy to oxidized and p- Benzoquinone is hard to decompose(oxidized).Its molecule bound not easy to oxidized so the response efficiency defined in USP (united state pharmacopoeia )its response efficiency not less then 85% and not more then 115% . BQ run as control sample in the References of Sucrose .And Its Calculation methods [(rss-rw ) / (rs-rw)]100.
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