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ISO 2752:1973

Urea for industrial use — Measurement of the variation of pH in the presence of formaldehyde — Potentiometric method ISO 2752:1973

Publication date:   Dec 1, 1973

95.99   Withdrawal of Standard   May 27, 2002

General information

95.99   Withdrawal of Standard   May 27, 2002

ISO

ISO/TC 47 Chemistry

International Standard

71.080.30   Organic nitrogen compounds

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Scope

Specifies the principle of measurement, at (20 0.5) 0C, of the quantity of 0.01 N sodium hydroxide standard volumetric solution required to take the pH of a solution containing 50 g of sample in 100 ml of water to a pH of 8.3 after addition of formaldehyde. Has also been approved by the IUPAC.

Life cycle

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WITHDRAWN
ISO 2752:1973
95.99 Withdrawal of Standard
May 27, 2002




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