ASTM C323-1956(2006) 卫生陶瓷粘土的化学分析的试验方法

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【英文标准名称】:StandardTestMethodsforChemicalAnalysisofCeramicWhitewareClays
【原文标准名称】:卫生陶瓷粘土的化学分析的试验方法
【标准号】:ASTMC323-1956(2006)
【标准状态】:现行
【国别】:
【发布日期】:1956
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C21.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:物品;陶瓷制品;缸瓦器;凹形器具;保健;陶瓷;粘土;化学分析和试验
【英文主题词】:ceramicwhitewareclays;chemicalanalysis
【摘要】:1.1Thesetestmethodscoverthechemicalanalysisofclaysusedinthemanufactureofceramicwhitewares.1.2Theanalyticalproceduresappearinthefollowingorder:Note1Thesetestmethodshavebeencompiledasstandardproceduresforuseinrefereeanalyses.Thesetestmethods,however,whenthedeterminationofironoxideasFe2O3isinvolved,arenotintendedtoprecludetheuseofotherproceduresthatgiveresultswithinthepermissiblevariations.ForthesakeofuniformitytheclassicalZimmerman-Reinhardtprocedureisspecifiedforthedeterminationofironoxide.Itisrecognizedthatnumerousotherproceduresareequallyaccurateandoftenmoreconvenient.Theotherprocedurescommonlyinuseincludereductionofanoxidizedsolutionwithzincorothermetal,andtitrationwithstandardpotassiumpermanganate(KMnO4)orpotassiumdichromate(K2Cr2O7)solution,aswellastitrationwithastandardsolutionoftitanouschlorideinanoxidizedsolution.Theseproceduresshallbeconsideredacceptable,providedtheanalysthasobtainedresultsbyhisspecialprocedurethatcheckwiththeZimmerman-ReinhardtprocedurewithinthelimitsspecifiedinSection.ItissuggestedthatNationalInstituteofStandardsandTechnologystandardsamplesbeusedforcheckingtheaccuracyofprocedures.Itwillbeunderstoodthatthemakingofacompleteanalysisofaceramicwhitewareclayisadifficultprocedurerequiringawideknowledgeofthechemistryinvolvedintheoperationsandathoroughtrainingincarryingoutthework.Askilledanalystofgoodtrainingisthereforerequiredtodothework.Thedescriptionsheregivencoverthevitalpointsofprocedure,butfrequentreferenceinregardtothedetailsofthevariousmanipulationsshouldbemadeto"AppliedInorganicAnalysis"byHillebrandandLundellandtosimilarpublications.Particularlyinthedeterminationofalumina,referenceshouldbemadetoScientificPaperNo.286oftheNationalBureauofStandards.1.3Thevaluesstatedinacceptablemetricunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q31
【国际标准分类号】:91_100_25
【页数】:5P.;A4
【正文语种】: