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GB 437-1993 硫酸铜

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基本信息
标准名称:硫酸铜
英文名称:Copper sulfate
中标分类: 化工 >> 化肥、农药 >> 农药
ICS分类: 农业 >> 杀虫剂和其他农用化工产品
替代情况:替代GB 437-1980;被GB 437-2009代替
发布部门:国家技术监督局
发布日期:1993-12-30
实施日期:1994-10-01
首发日期:1964-12-11
作废日期:2009-11-01
主管部门:中国石油和化学工业协会
归口单位:全国农药标准化技术委员会
起草单位:化工部沈阳化工研究院
出版社:中国标准出版社
出版日期:1900-01-01
页数:平装16开, 页数:6, 字数:7千字
适用范围

本标准规定了硫酸铜的技术要求、试验方法、检验规则以及标志、包装、运输和贮存。本标准适用于含5个结晶水的硫酸铜。

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所属分类: 化工 化肥 农药 农药 农业 杀虫剂和其他农用化工产品
Product Code:SAE AS81935
Title:Bearings, Plain, Rod End, Self-Aligning, Self-Lubricating, General Specification For
Issuing Committee:Acbg Plain Bearing Committee
Scope:This specification covers plain rod end bearings which are self-aligning and self-lubricating by incorporating polytetrafluoroethylene (PTFE) in a liner between the ball and race for use in the temperature range -65 to +325 掳F (-54 to +163 掳C).【英文标准名称】:StandardTestMethodforDeterminationofRadonDecayProductConcentrationandWorkingLevelinIndoorAtmospheresbyActiveSamplingonaFilter
【原文标准名称】:通过滤膜上活动取样对室内空气工作水平和氡衰减产品浓度测定的标准试验方法
【标准号】:ASTMD6327-1998(2004)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:D22.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:氡;抓取取样;工作水平;室内空气
【英文主题词】:grabsampling;indoorair;radon;workinglevel
【摘要】:ThetestmethodprovidesarelativelysimplemethodfordeterminationoftheconcentrationofRDPwithouttheneedforspecialtyequipmentbuiltexpresslyforsuchpurposes.UsingthistestmethodwillaffordinvestigatorsofradonindwellingsatechniquebywhichtheRDPcanbedetermined.Theuseoftheresultsofthistestmethodaregenerallyfordiagnosticpurposesandarenotnecessarilyindicativeofresultsthatmightbeobtainedbylongertermmeasurementmethods.Animprovedunderstandingofthefrequencyofelevatedradoninbuildingsandthehealtheffectofexposurehasincreasedtheimportanceofknowledgeofactualexposures.ThemeasurementofRDP,whicharethedirectcauseofpotentialadversehealtheffects,shouldbeconductedinamannerthatisuniformandreproducible;itistothisendthatthistestmethodisaddressed.1.1Thistestmethodprovidesinstructionforusingthegrabsamplingfiltertechniquetodetermineaccurateandreproduciblemeasurementsofindoorradondecayproduct(RDP)concentrationsandoftheworkinglevelvaluecorrespondingtothoseconcentrations.1.2MeasurementsmadeinaccordancewiththistestmethodwillproduceRDPconcentrationsrepresentativeofclosed-buildingconditions.Resultsofmeasurementsmadeunderclosed-buildingconditionswillhaveasmallervariabilityandaremorereproduciblethanmeasurementsobtainedwhenbuildingconditionsarenotcontrolled.Thistestmethodmaybeutilizedundernon-controlledconditions,butagreaterdegreeofvariabilityintheresultswilloccur.Variabilityintheresultsmayalsobeanindicationoftemporalvariabilitypresentatthesamplingsite.1.3Thistestmethodutilizesashortsamplingperiodandtheresultsareindicativeoftheconditionsonlyattheplaceandtimeofsampling.Theresultsobtainedbythistestmethodarenotnecessarilyindicativeoflongertermsofsamplingandshouldnotbeconfusedwithsuchresults.Theaveragingofmultiplemeasurementsoverhoursanddayscan,however,provideusefulscreeninginformation.Individualmeasurementsaregenerallyobtainedfordiagnosticpurposes.1.4Therangeofthetestmethodmaybeconsideredfrom0.0005WLtounlimitedworkinglevels(WL),andfrom40Bq/m3tounlimitedforeachindividualrandondecayproduct.1.5Thistestmethodprovidesinformationonequipment,procedures,andqualitycontrol.Itprovidesformeasurementswithintypicalresidentialorbuildingenvironmentsandmaynotnecessarilyapplytospecializedcircumstances,forexample,cleanrooms.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSectionforadditionalprecautions.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_01
【页数】:5P.;A4
【正文语种】: