Designation:E1948−98(Reapproved2014)StandardGuideforAnalyticalDataInterchangeProtocolforChromatographicData1ThisstandardisissuedunderthefixeddesignationE1948;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisguidecoverstheimplementationoftheChromato-graphicDataProtocolinanalyticalsoftwareapplications.Implementationofthisprotocolrequires:1.1.1SpecificationE1947,whichcontainsthefullsetofdatadefinitions.Thechromatographicdataprotocolisnotbaseduponanyspecificimplementation;itisdesignedtobeindependentofanyparticularimplementation,sothatimple-mentationscanchangeastechnologyevolves.Theprotocolisimplementedinstages,tospeeditsacceptancethroughactualuse.1.1.2SpecificationE1947containsafulldescriptionofthecontentsofthedatacommunicationsprotocol,includingtheanalyticalinformationcategorieswithdataelementsandtheirattributesformostaspectsofchromatographictests.1.2TheAnalyticalInformationCategoriesareapracticalconvenienceforbreakingdownthestandardizationprocessintosmaller,moremanageablepieces.Itiseasierfordevelop-erstobuildconsensusandproduceworkingsystemsbasedonsmallerinformationsets,withouttheburdenandcomplexityofthehundredsofdataelementscontainedinallthecategories.Thecategoriesalsoassistvendorsandendusersinusingtheguideintheircomputingenvironments.1.3TheNetCDFDataInterchangeSystemisthecontainerusedtocommunicatedatabetweenapplicationsinawaythatisindependentofbothcomputerarchitecturesandend-userapplications.Inessence,itisaspecialtypeofapplicationdesignedfordatainterchange.1.4TheCommonDataLanguage(CDL)TemplateforChromatographyisalanguagespecificationofthechromatog-raphydatasetbeinginterchanged.WiththeuseoftheNetCDFutilities,thishuman-readabletemplatecanbeusedtogenerateanequivalentbinaryfileandthesoftwaresubroutinecallsneededforinputandoutputofdatainanalyticalap...