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ASTM_D_4252_-_89_2009.pdf

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1、Designation:D425289(Reapproved 2009)Standard Test Methods forChemical Analysis of Alcohol Ethoxylates and AlkylphenolEthoxylates1This standard is issued under the fixed designation D4252;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revisio

2、n,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 These test methods cover the various test methods usedto evaluate those properties pertinent to the character

3、ization ofalcohol ethoxylates and alkylphenol ethoxylates with respect tosuitability for desired uses.1.2 The procedures for sampling and analysis appear in thefollowing order:SectionsSamplingLiquids6Solids7Methods of Chemical AnalysisWater or moisture8Refractive index9 and 10pH11Acidity or basicity

4、12 and 13Hydroxyl number14-20Cloud point21Iodine number22Ash23Iron24Ethylene oxide content25Polyethylene glycols26-321.3 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.4 This standard does not purport to address all of thesafe

5、ty concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.Material SafetyData Sheets are available for reagents and materials.Reviewthem

6、 for hazards prior to usage.Specific hazard statementsappear in Section 5 and Note 1 and Note 3.2.Referenced Documents2.1 ASTM Standards:2D459 Terminology Relating to Soaps and Other DetergentsD482 Test Method for Ash from Petroleum ProductsD1068 Test Methods for Iron in WaterD1172 Guide for pH of A

7、queous Solutions of Soaps andDetergentsD1193 Specification for Reagent WaterD1209 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)D1218 Test Method for Refractive Index and RefractiveDispersion of Hydrocarbon LiquidsD1613 Test Method for Acidity in Volatile Solvents andChemical Intermed

8、iates Used in Paint,Varnish,Lacquer,and Related ProductsD1959 Test Method for Iodine Value of Drying Oils andFatty Acids(Withdrawn 2006)3D2024 Test Method for Cloud Point of Nonionic SurfactantsD2959 Test Method for Ethylene Oxide Content of Poly-ethoxylated Nonionic SurfactantsE180 Practice for Det

9、ermining the Precision of ASTMMethods for Analysis and Testing of Industrial and Spe-cialty Chemicals(Withdrawn 2009)3E200 Practice for Preparation,Standardization,and Storageof Standard and Reagent Solutions for Chemical AnalysisE203 Test Method for Water Using Volumetric Karl FischerTitrationE394

10、Test Method for Iron in Trace Quantities Using the1,10-Phenanthroline Method3.Significance and Use3.1 Alcohol ethoxylates and alkylphenol ethoxylates areimportant surfactants in household and industrial cleaners.1These test methods are under the jurisdiction of ASTM Committee D12 onSoaps and Other D

11、etergents and are the direct responsibility of SubcommitteeD12.12 on Analysis and Specifications of Soaps,Synthetics,Detergents and theirComponents.Current edition approved Oct.1,2009.Published December 2009.Originallyapproved in 1983.Last previous edition approved in 2003 as D4252 89(2003).DOI:10.1

12、520/D4252-89R09.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical stan

13、dard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 They may be used as either nonionic surfactants or sulfated andused as anionic surfactants.Careful control of the ethoxylatecharacteristics is desired as va

14、riations may result in eitherdesirable or undesirable end-use properties.4.Purity of Reagents4.1 Reagent-grade chemicals shall be used in all tests.Unless otherwise indicated,it is intended that all reagents shallconform to the specifications of the Committee on AnalyticalReagents of the American Ch

15、emical Society,where suchspecifications are available.4Other grades may be used,pro-vided it is first ascertained that the reagent is of sufficientlyhigh purity to permit its use without lessening the accuracy ofthe determination.4.2 Unless otherwise indicated,references to water shall beunderstood

16、to mean Type III reagent water conforming toSpecification D1193.5.Safety Precautions5.1 All reagents and chemicals should be handled with care.Before using any chemical,read and follow all safety precau-tions and instructions on the manufacturer label.Clean up anyspill immediately.For information on cleaning up spills refer tothe Laboratory Disposal Manual,Manufacturing ChemistsAssociation,Washington,DC.SAMPLING6.Liquids6.1 Thoroughly mix the sample before sampling.If a solidlayer or crystals ha

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