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Significance and Use
This test method determines the purity of isophorone, as well as the concentration of various potential impurities, several of which are critical in the application of these solvents.
1.1 This test method covers the determination of the purity of isophorone. This method also determines the impurities of the material in concentration level less than 0.5 mass %, which may include mesityl oxide (MSO), mesityl oxide-isomer, mesitylene, trimethyl cyclohexenone (TMCH), phorone, phorone-isomer, xylitone, and tetralone.
1.2 Water cannot be determined by this test method and shall be measured by other appropriate ASTM procedure. The result is used to normalize the chromatographic data determined by this test method.
1.3 For purposes of determining conformance of an observed or a calculated value using this test method to relevant specifications, test result(s) shall be rounded off “to the nearest unit” in the last right-hand digit used in expressing the specification limit, in accordance with the rounding - off method of Practice E29.
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 establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1364 Test Method for Water in Volatile Solvents (Karl Fischer Reagent Titration Method)
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E300 Practice for Sampling Industrial Chemicals
ICS Number Code 71.040.50 (Physicochemical methods of analysis)
UNSPSC Code 12352115(Ketones or quinones or its substitutes)
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ASTM D7090-04(2010), Standard Test Method for Purity of Isophorone by Capillary Gas Chromatography, ASTM International, West Conshohocken, PA, 2010, www.astm.orgBack to Top