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ASTM D3448-10(2015)e1

Current Revision

Standard Test Method for Specific Aqueous Conductance of Trichlorotrifluoroethane

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1.1 This test method covers the determination of aqueous conductivity due to ionizable contaminants extracted from trichlorotrifluoroethane. The value of 1.9 μS/cm as maximum specific aqueous conductance corresponds to 0.1 ppm of chloride ion (100 ppb). It was calculated by putting the solvent specification of 0.1 ppm chloride into the equation of the subject method to find C2 − C1 equals 19.08. The specific conductance due to contaminants from the solvent was then calculated as follows:

Equation D3448-10R15E01_1

1.2 The above is exclusive of the background specific conductance of the water used in the analysis.

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

1.3.1 Exception—Values are stated in inch-pound units in Fig. 1.

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 consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 6.


3.1 This test method allows for the determination of ionizable contaminants (expressed in terms of ppb of HCl) in trichlorotrifluoroethane via measurement of specific aqueous conductance.

3.2 This test method can be used for establishing manufacturing and purchasing specifications.

SDO ASTM: ASTM International
Document Number D3448
Publication Date June 1, 2015
Language en - English
Page Count 4
Revision Level 10(2015)e1
Supercedes
Committee D26.04
Publish Date Document Id Type View
June 1, 2015 D3448-10R15E01 Revision
June 1, 2010 D3448-10 Revision
Jan. 10, 2000 D3448-85R00 Revision
April 1, 2020 D3448-10R20 Reaffirmation
June 1, 2005 D3448-85R05 Reaffirmation