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ASTM-D3913:2003 Edition

ASTM-D3913:2003 Edition

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

Published By Publication Date Number of Pages
ASTM 2003 2
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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 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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