Standard Test Method for Acidity in Basic Chromium Tanning Liquors

Standard Test Method for Acidity in Basic Chromium Tanning Liquors D3913-93R98 ASTM|D3913-93R98|en-US Standard Test Method for Acidity in Basic Chromium Tanning Liquors Standard D3913 Standard Test Method for Acidity in Basic Chromium Tanning Liquors> new BOS Vol. 15.04 Committee D31

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Scope

1.1 This test method covers the determination of the titratable acidity of chromium tanning liquors. By titratable acidity is meant not only free acidity, which is rarely present, but also anions combined with weakly basic cations such as Chromium (III), which can be titrated with base at the phenolphthalein end point.

1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Details

Book of Standards Volume: 15.04

Developed by Subcommittee: D31.06

Pages: 2

DOI: 10.1520/D3913-93R98

ICS Code: 59.140.10

Standard Test Method for Acidity in Basic Chromium Tanning Liquors

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