ASTM D2827-2008 Standard Specification for Styrene Monomer《苯乙烯单体的标准规范》.pdf
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1、Designation: D 2827 08Standard Specification forStyrene Monomer1This standard is issued under the fixed designation D 2827; 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 parentheses indicate
2、s the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers styrene monomer.1.2 The following applies to all specified limits in thisstandard: for purposes of determining conformance with thisstanda
3、rd, an observed value or a calculated value shall berounded off “to the nearest unit” in the last right-hand digitused in expressing the specification limit, in accordance withthe rounding-off method of Practice E29.1.3 The values stated in SI units are to be regarded asstandard.1.4 Consult current
4、OSHA regulations, suppliers MaterialSafety Data Sheets, and local regulations for all materials usedin this specification.2. Referenced Documents2.1 ASTM Standards:2D 1016 Test Method for Purity of Hydrocarbons fromFreezing PointsD 1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)D
5、2119 Test Method for Aldehydes in Styrene MonomerD 2121 Test Methods for Polymer Content of StyreneMonomer and AMS (aMethylstyrene)D 2340 Test Method for Peroxides in Styrene MonomerD 3437 Practice for Sampling and Handling Liquid CyclicProductsD 4590 Test Method for Colorimetric Determination ofp-t
6、ert-Butylcatechol In Styrene Monomer or AMS(aMethylstyrene) by SpectrophotometryD 5135 Test Method for Analysis of Styrene by CapillaryGas ChromatographyD 5386 Test Method for Color of Liquids Using TristimulusColorimetryD 6229 Test Method for Trace Benzene in HydrocarbonSolvents by Capillary Gas Ch
7、romatographyD 7375 Test Method for Trace Quantities of Water inAromatic Hydrocarbons and Their Mixtures by Coulom-etric Karl Fischer TitrationE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications2.2 Other Document:OSHA Regulations, 29CFR paragraphs 1910.1
8、000 and1910.120033. Properties3.1 Styrene monomer shall conform to the following re-quirements:Property Specification ASTM Test MethodPurity, min, weight % 99.8AD 5135Aldehydes, max, weight % asbenzaldehyde0.0100 D2119Peroxides, max, mg/kg as H2O250 D 2340Polymer, max, mg/kg 10 D 2121, Test Method A
9、Inhibitor, mg/kg 10 to 15 (or asrequired)D 4590Ethylbenzene, max, mg/kg 500 D 5135Benzene, max, mg/kg 1 D 6229Water If needed D 7375AppearanceB.Color, max, Pt/Co scale 10 D 1209orColor, max, Pt/Co scale 15 D 5386_AThe most common impurities can be determined by Test Method D 5135.BClear liquid free
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