Abstract
The method specified (using a pH-meter) is applicable to all types of water and waste water samples in the range from pH 3 to pH 10. The temperature, some gases and organic materials interfere with the pH-measurement. Suspended materials in the sample may cause significant errors. When measuring sewage and some surface waters, there is a particularly high risk of smearing the electrodes or contaminating the membranes and diaphragm with oil, grease or other contaminants.
General information
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Status: WithdrawnPublication date: 1994-07Stage: Withdrawal of International Standard [95.99]
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Edition: 1Number of pages: 10
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Technical Committee :ISO/TC 147/SC 2ICS :13.060.50
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Life cycle
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Now
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Revised by
PublishedISO 10523:2008
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