【英文标准名称】:TestMethodforLithium,PotassiumandSodiumIonsinBrackishWater,SeawaterandBrinesbyAtomicAbsorptionSpectrophotometry
【原文标准名称】:用原子吸收分光光度法测定微咸水,海水和盐水中锂钾和钠离子含量的试验方法
【标准号】:ASTMD3561-1977
【标准状态】:作废
【国别】:美国
【发布日期】:1977
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:锂;水;钠;含量测定;海水;卤水(防腐剂);试验
【英文主题词】:sodium;water;brine(preservative);seawater;testing;determinationofcontent;lithium
【摘要】:
【中国标准分类号】:Z16
【国际标准分类号】:13_060_40
【页数】:4P;A4
【正文语种】:英语


【英文标准名称】:StandardGuideforControlofHazardsandRisksinOxygenEnrichedSystems
【原文标准名称】:富氧系统中危险与风险控制的标准指南
【标准号】:ASTMG128-2002e1
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:G04.02
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:adiabaticcompression;autoignition;barriers;cleaning;combustion;compressionheating;contamination;explosion;fire;flammability;GOX;ignition;liquidoxygen;LOX;materialevaluation;materialselection;oxygen;oxygencompatibility;oxygenenriched;oxygenhazard;oxygensafety;oxygenservice;oxygensystems;shielding;
【摘要】:Thepurposeofthisguideistointroducethehazardsandrisksinvolvedwiththehandlingofoxygen,cautioningthereaderaboutthelimitationsofpresentpracticesandtechnologyandaboutcommonhazardsthatoftenareoverlooked.ItthenprovidesanoverviewofthestandardsproducedbyASTMCommitteeG-4andtheiruses,aswellassimilardocumentsavailablefromotherknowledgeablesources.Itdoesnothighlightstandardtestmethodsthatsupporttheuseofthesepracticesfromthisorothercommittees.Thestandardsdiscussedherefocusonreducingthehazardsandrisksassociatedwiththeuseofoxygen.Ingeneral,theyarenotdirectlyapplicabletoprocessreactorsinwhichthedeliberatereactionofmaterialswithoxygenissought,asinburners,bleachers,orbubblers.OtherASTMCommitteesandproducts(suchastheCHETAHprogram5)andotheroutsidegroupsaremorepertinentforthese.Thisguideisnotintendedasaspecificationtoestablishpracticesforthesafeuseofoxygen.Thedocumentsdiscussedheredonotpurporttocontainalltheinformationneededtodesignandoperateanoxygensystemsafely.Thecontrolofoxygenhazardshasnotbeenreducedtohandbookprocedures,andthetacticsforusingoxygenarenotunique.Rather,theyrequiretheapplicationofsoundtechnicaljudgementandexperience.Oxygenusersshouldobtainqualifiedtechnicalexpertisetodesignsystemsandoperatingpracticestoensurethesafeuseofoxygenintheirspecificapplications.1.1ThisguidecoversanoverviewoftheworkofASTMCommitteeG-4onCompatibilityandSensitivityofMaterialsinOxygen-EnrichedAtmospheres.Itisastartingpointforthoseaskingthequestion:"Arethereanyproblemsassociatedwithmyuseofoxygen?"Anintroductiontotheuniqueconcernsthatmustbeaddressedinthehandlingofoxygen.Theprincipalhazardistheprospectofignitionwithresultantfire,explosion,orboth.Thishazardrequiresdesignconsiderationsbeyondthosethatapplytoallsystems,suchasadequatestrength,corrosionresistance,fatigueresistance,andpressuresafetyrelief.1.2Thisguidealsolistsseveraloftherecognizedcausesofoxygensystemfiresanddescribesthemethodsavailabletopreventthem.Sourcesofinformationabouttheoxygenhazardanditscontrolarelistedandsummarized.TheprincipalfocusisonGuidesG63,G88,PracticeG93,andGuideG94.Usefuldocumentationfromotherresourcesandliteratureisalsocited.Note18212;Thisguideisanoutgrowthofanearlier(1988)CommitteeG-4videotapeadjunctentitledOxygenSafetyandarelatedpaperbyKochthatfocusedontherecognizedignitionsourceofadiabaticcompressionasoneofthemoresignificantbutoftenoverlookedcausesofoxygenfires.Thisguiderecapitulatesandupdatesmaterialinthevideotapeandpaper.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ForspecificprecautionarystatementsseeSections8and11.Note28212;ASTMtakesnopositionrespectingthevalidityofanyevaluationmethodsassertedinconnectionwithanyitemmentionedinthisguide.Usersofthisguideareexpresslyadvisedthatdeterminationofthevalidityofanysuchevaluationmethodsanddataandtheriskofuseofsuchevaluationmethodsanddataareentirelytheirownresponsibility.
【中国标准分类号】:
【国际标准分类号】:13_220_40;19_040
【页数】:15P.;A4
【正文语种】: