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ASTM International - ASTM D4904-99(2020)

Standard Practice for Cooling of Analytical Solutions

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Organization: ASTM International
Publication Date: 1 December 2020
Status: active
Page Count: 2
ICS Code (Laboratory ware and related apparatus): 71.040.20
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... View More

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Document History

ASTM D4904-99(2020)
December 1, 2020
Standard Practice for Cooling of Analytical Solutions
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...
September 1, 2016
Standard Practice for Cooling of Analytical Solutions
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...
April 1, 2009
Standard Practice for Preparation of Solution of Liquid Vegetable Tannin Extracts
1.1 This practice covers a standard procedure for the cooling of analytical solutions such as those prepared Practices D 4901 , D 4905 , or D 6405 . The tannin analysis results for an analytical...
April 1, 2004
Standard Practice for Preparation of Solution of Liquid Vegetable Tannin Extracts
1.1 This practice covers the preparation of a solution of liquid extract that is to be used in the tannin analysis of that extract. This standard does not purport to address all of the safety...
May 10, 1999
Standard Practice for Cooling of Analytical Solutions
1.1 This practice is intended for use in the cooling of the analytical solutions, prepared under Methods D4901, D4905, and ALCA Method A5, since the analytical results obtained are to some extent...
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