ASTM-D1726 › Historical Revision Information
Standard Test Methods for Hydrolyzable Chloride Content of Liquid Epoxy Resins
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Scope
1.1 These test methods cover the determination of the easily hydrolyzable chloride content of liquid epoxy resins which are defined as the reaction product of a chlorohydrin and a di- or polyfunctional phenolic compound.
1.1.1 In Test Method A, the easily hydrolyzable chloride is saponified with potassium hydroxide and directly titrated with hydrochloric acid. This test method can be used for concentrations of 1 weight % and below.
1.1.2 In Test Method B, the easily hydrolyzable chloride is again saponified with potassium hydroxide, then titrated potentiometrically with silver nitrate. This test method can be used for concentrations of 5 to 2500 ppm hydrolyzable chloride.
1.2 This standard does not purport to address all of the safety problems 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. >For specific hazard statements see Sections 8 and 14.
Keywords
hydrolyzable chloride; liquid epoxy resin; saponifiable chloride; ICS Number Code 83.080.10 (Thermosetting materials)
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83.080.10 (Thermosetting materials Including ebonite Silicones, see 71.100.55)
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Document Number
ASTM-D1726-90
Revision Level
1990 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
May 25, 1990
Document Type
Test Method
Page Count
3 pages
Committee Number
D01.33