ASTM_E_1178_-_08.pdf

Designation:E117808Standard Test Methods forAnalysis of Acrylonitrile1This standard is issued under the fixed designation E1178;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 indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 These test methods cover the analysis of acrylonitrile.1.2 The analytical procedures appear in the following order:SectionsColor7 to 9Hydrogen Cyanide10 to 18p-Methoxyphenol19 to 28Water29 to 321.3 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.4 Review the current Material Safety Data Sheets(MSDS)for detailed information concerning toxicity,first aidprocedures,and safety precautions.1.5 This standard does not purport to address all of thesafety 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.See Section 5 forspecific hazards statements.2.Referenced Documents2.1 ASTM Standards:2D1193 Specification for Reagent WaterD1209 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)E60 Practice for Analysis of Metals,Ores,and RelatedMaterials by SpectrophotometryE180 Practice for Determining the Precision of ASTMMethods for Analysis and Testing of Industrial and Spe-cialty Chemicals(Withdrawn 2009)3E200 Practice for Preparation,Standardization,and Storageof Standard and Reagent Solutions for Chemical AnalysisE203 Test Method for Water Using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 FischerTitration3.Significance and Use3.1 These test methods provide for the determination ofcolor and various impurities in acrylonitrile.Color and impu-rity levels are important factors in many uses of acrylonitrile.4.Purity of Reagents4.1 Purity of ReagentsUse reagent grade chemicals in alltests.Unless otherwise indicated,it is intended that all reagentsshall conform to the specifications of the Committee onAnalytical Reagents of theAmerican Chemical Society,4wheresuch specifications are available.Other grades may be used,provided it is first ascertained that the reagent is of sufficientlyhigh purity to permit its use without lessening the accuracy ofthe determination.4.2 Purity of WaterUnless otherwise indicated,referencesto water shall be understood to mean Type II or Type IIIreagent water conforming to Specification D1193.5.Hazards5.1 Acrylonitrile is potentially hazardous to human health ifnot properly handled.Acrylonitrile is a suspected humancarcinogen.Use acrylonitrile in a well ventilated hood.5.2 Acrylonitrile can contribute to a toxic condition insystems of the human body,from inhalation,swallowing,orcontact with the eyes or skin.Direct contact with acrylonitrilecan cause skin burns as well.5.3 Acrylonitrile liquid and vapor are absorbed readily intoshoe leather and clothing and will penetrate most rubbers,barrier fabrics,or creams.Contact lenses should not be worn inareas where eye contact with acrylonitrile could occur.Useimpermeable protective clothing and consult the current MSDSfor recommended materials.1This specification is under the jurisdiction of ASTM Committee E15 onIndustrial and Specialty Chemicals and is the direct responsibility of SubcommitteeE15.02 on Product Standards.Current edition approved Dec.15,2008.Published January 2009.Originallyapproved jn 1987.Last previous edition approved in 2002 as E1178 97(2002).DOI:10.1520/E1178-08.2For 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 standard is referenced onwww.astm.org.4Reagent Chemicals,American Chemical Society Specifications,AmericanChemical Society,Washington,DC.For suggestions on the testing of reagents notlisted by the American Chemical Society,see Analar Standards for LaboratoryChemicals,BDH Ltd.,Poole,Dorset,U.K.,and the United States Pharmacopeiaand National Formulary,U.S.Pharmacopeial Convention,Inc.(USPC),Rockville,MD.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 6.Photometers and Photometric Practice6.1 The photometers and photometric practice described inthese test methods shall conform to Practice E60.COLOR7.Procedure7.1 Determine the color of the acrylonitrile in accordancewith Test Method D1209.8.Report8.1 Estimate and report the color of the acrylonitrile to thenearest 1 Pt-Co unit,absolute.9.Precision and Bias9.1 The precision and bias of this test method have not beendetermined.5HYDROGEN CYANIDE10.Scope10.1 This test method covers the determina