Abstract
The method consists in mineralizing of a test portion with sulphuric and nitrit acids, precipitating of the phosphorus as quinoline phosphomolybdate, drying and weighing of the precipitate. An alternative method of mineralizing is described in clause 10.
General information
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Status: WithdrawnPublication date: 1974-04Stage: Withdrawal of International Standard [95.99]
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Edition: 1Number of pages: 3
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Technical Committee :ISO/TC 34/SC 6ICS :67.120.10
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Life cycle
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Now
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Revised by
PublishedISO 23776:2021