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Significance and Use
5.1 The presence of residual chlorine in epoxy resins is deleterious to final product properties. This test method has been found to be applicable to resins or ethers with chlorine contents ranging from 50 ppm to 35 % by weight. Other halogen compounds react with the reagent but are distinguished from chlorine by the final potentiometric titration. Epoxy and other functional groups will consume reagent but do not affect the results.
1.1 This test method describes a procedure for the determination of total chlorine in epoxy resins and glycidyl ethers.
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. For specific hazard statements, see Section 8.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1193 Specification for Reagent Water
D6440 Terminology Relating to Hydrocarbon Resins
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
Other DocumentOSHARegulations,29CF paragraphs 1910.1000 and 1910.1200 A suitable mechanical holder is available from the Gardner Laboratory, Inc., 5521 Landy Lane, Washington, DC, Item 660.
ICS Number Code 83.080.10 (Thermosetting materials)
UNSPSC Code 13111001(Epoxy)