ASTM D4710-2007(2012) Standard Specification for Acetaldehyde《乙醛标准规格》.pdf
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1、Designation: D4710 07 (Reapproved 2012)Standard Specification forAcetaldehyde1This standard is issued under the fixed designation D4710; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parenth
2、eses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers acetaldehyde (99 % grade).1.2 The values stated in SI units are to be regarded asstandard. No other units of measurement are
3、included in thisstandard.1.3 The following applies to all specified limits in thisstandard; for purposes of determining conformance with thisstandard, an observed value or a calculated value shall berounded off “to the nearest unit” in the last right-hand digitused in expressing the specification li
4、mit, in accordance withthe rounding-off method of Practice E29.1.4 For specific hazard information and guidance, see thesuppliers Material Safety Data Sheet for materials listed in thisspecification.2. Referenced Documents2.1 ASTM Standards:2D1209 Test Method for Color of Clear Liquids (Platinum-Cob
5、alt Scale)D1353 Test Method for Nonvolatile Matter in Volatile Sol-vents for Use in Paint, Varnish, Lacquer, and RelatedProductsD2086 Test Method for Acidity in Vinyl Acetate and Acet-aldehydeD2192 Test Method for Purity of Aldehydes and KetonesD5386 Test Method for Color of Liquids Using Tristimulu
6、sColorimetryE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE300 Practice for Sampling Industrial Chemicals2.2 U.S. Federal Specification:PPP-C-2020 Chemicals, Liquid, Dry, and Paste: Packagingof33. Properties3.1 Acetaldehyde shall conform to the fol
7、lowing require-ments:Purity, wt %, min, as acetaldehyde 99Color, Pt-Co units, max (Note 1) 15Acidity, wt %, max, (free acid as acetic acid) 0.05Nonvolatile matter, wt %, max 0.5_NOTE 1Instrumental Pt-Co color determined by Test Method D5386has been shown to have no statistically significant differen
8、ce from Pt-Cocolor determined by Test Method D1209. However, it is not knownwhether acetaldehyde was part of the sample set included in theinterlaboratory study.4. Sampling4.1 The material shall be sampled in accordance withPractice E300.5. Test Methods5.1 The properties enumerated in this specifica
9、tion shall bedetermined in accordance with the following ASTM testmethods:5.1.1 PurityTest Method D2192.5.1.2 ColorTest Method D1209 (see Note 1).5.1.3 AcidityTest Method D2086.5.1.4 Nonvolatile MatterDetermine the nonvolatile matteror residue after evaporation in accordance with Test MethodD1353 ex
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