Standard Historical Last Updated: Dec 11, 2015 Track Document
ASTM D6714-01(2010)e1

Standard Test Method for Chromic Oxide in Ashed Wet Blue (Perchloric Acid Oxidation)

Standard Test Method for Chromic Oxide in Ashed Wet Blue (Perchloric Acid Oxidation) D6714-01R10E01 ASTM|D6714-01R10E01|en-US Standard Test Method for Chromic Oxide in Ashed Wet Blue (Perchloric Acid Oxidation) Standard new BOS Vol. 15.04 Committee D31
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Significance and Use

The procedure described is specific for chromium in wet blue. Vanadium is the only common interfering element and this is rarely present in quantity. The precision and accuracy of the methods are usually at least as good as the sampling of the wet blue itself, and the accuracy of previously performed test methods.

The chromium content of wet blue is related to the degree of tannage obtained, and hence may be a matter for specification in the purchase of wet blue. The procedure described provides adequate accuracy for this purpose.

Scope

1.1 This test method covers the determination of chromic oxide in wet blue that has been partly or completely tanned with chromium compounds. In general the samples will contain chromium content between 1 and 5 %, calculated as chromic oxide expressed upon a dry basis otherwise referred to as moisture-free basis (mfb).

1.2 This test method is specific in that it applies to a sample or samples that are the resultant ash following the execution of Test Method D6716.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 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. Specific hazards are given in Section 8.

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Details
Book of Standards Volume: 15.04
Developed by Subcommittee: D31.02
Pages: 4
DOI: 10.1520/D6714-01R10E01
ICS Code: 77.120.40