Control samples for pH determination in low ionic strength waters
- 1 January 1990
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 115 (4) , 371-374
- https://doi.org/10.1039/an9901500371
Abstract
Tests of the suitability of four solutions as analytical quality control samples for the determination of pH in low ionic strength water samples are reported. The long-term standard deviation of results for all solutions was less than 0.04 pH unit for 14 observations made over 7 weeks by two operators using commercial electrodes.Keywords
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