ASTM E 2548-2007 收缴药品定性和定量分析的标准指南

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【英文标准名称】:StandardGuideforSamplingSeizedDrugsforQualitativeandQuantitativeAnalysis
【原文标准名称】:收缴药品定性和定量分析的标准指南
【标准号】:ASTME2548-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:分析;验血;药物;实验室医学;定性分析;定量分析;取样;尿液检验
【英文主题词】:Analysis;Bloodtests;Drugs;Laboratorymedicine;Qualitativeanalysis;Quantitativeanalysis;Sampling;Urinetests
【摘要】:
【中国标准分类号】:C10
【国际标准分类号】:11_100_30
【页数】:4P;A4
【正文语种】:英语


基本信息
标准名称:国家计量检定规程编写规则
英文名称:The Rules for Drafting National Metrological Verification Regulation
中标分类: 综合 >> 计量 >> 计量综合
替代情况:被JJF 1002-98代替
发布日期:
实施日期:2004-03-23
首发日期:
作废日期:
出版日期:
页数:27页
适用范围

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前言

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引用标准

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所属分类: 综合 计量 计量综合
【英文标准名称】:StandardPracticeforDetectionofLargeInclusionsinBearingQualitySteelbytheUltrasonicMethod
【原文标准名称】:用超声波法检测优质轴承钢中大块夹杂物的标准实施规范
【标准号】:ASTME588-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:A01.28
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:夹杂物;无损检验;工艺;金属;超声检验;试验;钢
【英文主题词】:bearingsteel;cleanliness;nondestructiveexamination;steel;ultrasonictesting
【摘要】:ComparisonwithOtherInclusionRatingMethods8212;Becausethetestisperformedonavolumetricratherthanasurface-examinationbasis,theultrasonicmethodisinherentlybetterabletodetectinfrequentlyoccurringlargeinclusionsorclustersofsmallinclusionsthaneddycurrent,magneticparticle,microscopical,ormacroscopicexaminationprocedures.LimitationofInclusionSizeandType8212;Alimitationofthemethodisthatitwillnotdetectallinclusions.Inclusionchemistry,size,shape,location,anddistributionmaylimittheabilityofthemethodtoprovideindicationsdistinctfromthosegeneratedbythesurroundingmetallurgicalstructure.Therecommendedpracticeisonlymeaningfullyapplicabletoexaminationofsteelwhereintheinclusionsizeandtypearewithinthedetectioncapabilitiesofthemethod.Forsteelwhereininclusionsize,dispersion,andchemistrypreventoptimuminclusiondetectionbyultrasonics,microscopicalmethodsdetailedinPracticeE45maybeapplied.1.1Thispracticecoversaprocedurefortheratingofrectangularsteelsectionsbyimmersionultrasonictechniques.Itspurposeistoprovideinformationonthecontentoflargeinclusionsorclustersofsmallinclusionsfordeterminingthesuitabilityofasteellotforbearingapplications.Thispracticeinnomannerdefinesorestablisheslimitsofacceptability.1.2Forthisdocument,largeinclusionsaredefinedinultrasonictermsasthosehavingareflectingareaequivalenttoorlargerthana1/64-in.diameterflat-bottomholeinasteelreferenceblockofsimilarpropertiesandthickness.Inmetallographicterms,largeinclusions,definedinthisway,areofapproximatelythesamesizeasthesmallestdetectablesizesrevealedbythemacroscopicmethodsofPracticeE45.Insomecases,inclusionssmallerthanthosedescribedpreviouslycanbedetectedeitherindividuallyorinclusters,dependingontheirtype,chemicalcomposition,orientationtotheultrasonicbeamanddistancefromthesoundentrysurfaceofthespecimen.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:
【页数】:9P.;A4
【正文语种】: