ISO 731-2:1977

Name: ISO 731-2:1977
Brand: ISO
SKU: ISO 731-2:1977
Price: 81.07 EUR
Availability: InStock
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Formic acid for industrial use — Methods of test — Part 2: Determination of total acidity — Titrimetric method

Publication date: Feb 1, 1977

95.99 Withdrawal of Standard May 27, 2002

General information

Current stage: 95.99 Withdrawal of Standard May 27, 2002

Originator: ISO

Owner: ISO/TC 47 Chemistry

Type: International Standard

ICS: 71.080.40 Organic acids

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Status: Withdrawn

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Languages: French English

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Scope

The principle consists in a titration of a test portion with a standard volumetric sodium hydroxide solution, using phenolphthalein as indicator. ISO/R 731 has been subdivised into seven parts. ISO 731/2 replaces clause 3 of ISO Recommendation R 731-1968.

Life cycle

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WITHDRAWN
ISO 731-2:1977
95.99 Withdrawal of Standard
May 27, 2002