Standard Historical Last Updated: Dec 11, 2020 Track Document
ASTM D4904-99(2016)

Standard Practice for Cooling of Analytical Solutions

Standard Practice for Cooling of Analytical Solutions D4904-99R16 ASTM|D4904-99R16|en-US Standard Practice for Cooling of Analytical Solutions Standard new BOS Vol. 15.04 Committee D31
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Significance and Use

4.1 The solubility of extracts is influenced by temperature. The analytical solutions prepared from tanning extracts are dissolved or diluted in hot water. It is necessary to exercise caution in cooling these solutions, and to do so in such a way as to avoid chilling, under-cooling, or uneven cooling of the solutions.

Scope

1.1 This practice covers a standard procedure for the cooling of analytical solutions such as those prepared in Practices D4901, D4905, or D6405. The tannin analysis results for an analytical solution are to some extent dependent on the conditions of the cooling of that solution.

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.

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Details
Book of Standards Volume: 15.04
Developed by Subcommittee: D31.01
Pages: 2
DOI: 10.1520/D4904-99R16
ICS Code: 71.040.20