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ASTM-D3913:2009 Edition

ASTM-D3913:2009 Edition

$35.75

D3913-03(2009) Standard Test Method for Acidity in Basic Chromium Tanning Liquors

Published By Publication Date Number of Pages
ASTM 2009 3
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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 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, 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.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Summary of Test Method
Significance and Use
Interferences
Reagents and Materials
2 Procedure
Calculation
Precision and Bias
Keywords

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