ASTM D4765-2003(2008) 工作场所大气中氟化物的标准试验方法
时间:2024-05-09 18:50:11 来源: 标准资料网 作者：标准资料网 阅读：8839
【英文标准名称】:StandardTestMethodforFluoridesinWorkplaceAtmospheres
【原文标准名称】:工作场所大气中氟化物的标准试验方法
【标准号】:ASTMD4765-2003(2008)
【标准状态】:现行
【国别】:美国
【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】:D22.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:airmonitoring;fluoride;gaseousfluoride;hydrogenfluoride;particulatefluoride;samplingandanalysis;workplaceatmospheres;Filters/filterprocedures--atmosphericanalysis;Fluoridecontent--atmosphere/planttissues;Ionselectiveelectrodeme
【摘要】:Thecapabilityofthistestmethodtocollectandquantitatebothparticulateandgaseousfluoridesovertherangesnormallyencounteredinindustrialatmospheresmakesitapplicableforindustrialhygieneevaluationandcontrolpurposes.Therecommendedrangeofthistestmethodisfrom0.005to5mgFx2212;/m3air.1.1Thistestmethodcoversthesimultaneouscollectionandseparatemeasurementsofgaseousandparticulatefluoridefoundincertainindustrialworkplaces.Thegaseousinorganicfluoridescollectedarereportedintermsoffluoride;theprocedureisnotapplicabletothecollectionoranalysisofotherfluoride-bearinggases(forexample,fluorocarbonorfluorosulfurcompounds).Thistestmethodcoverssamplecollection,preparation,andfluoridemeasurement.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C70
【国际标准分类号】:13_040_30
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:Rubberhoses-Determinationofabrasionresistanceoftheoutercover(ISO6945:1991)(includingAmendmentA1);GermanversionENISO6945:1996+A1:2000
【原文标准名称】:橡胶软管.外覆层耐磨性的测定
【标准号】:ENISO6945-2000
【标准状态】:现行
【国别】:
【发布日期】:2000-08
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:耐磨损特性;织物层;外覆层;外层;橡胶软管;磨蚀;试验设备;柔性管;耐磨性;橡胶技术;橡胶制品;试验;编线层;液压软管;磨损;硫化橡胶;抗磨性;外衬;外镶板;覆层;测定;封盖物;磨蚀试验
【英文主题词】:Abrasion;Abrasionresistance;Abrasiontests;Coatings;Covers;Determination;Exteriorcoatings;Externallinings;Flexiblepipes;Hydraulichoses;Layersofbraidedwires;Outerlayers;Outsidepanellings;Rubberhoses;Rubberproducts;Rubbertechnology;Testequipment;Testing;Tests;Textileplies;Vulcanizedrubber;Wear;Wearresistance;Wearingbehaviour
【摘要】:
【中国标准分类号】:G42
【国际标准分类号】:23_040_70
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:SpecificationforTaperPipeThreads60Deg;forThermoplasticPipeandFittings
【原文标准名称】:热塑管和配件用60℃锥管螺纹规范
【标准号】:ANSI/ASTMF1498-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-03-25
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:配件;管螺纹;塑料管;管道
【英文主题词】:Fittings;Pipethreads;Plasticpipes;Tubing
【摘要】:Thisspecificationestablishesrequirementsfordimensionsandgagingoftaperpipethreadsusedonthreadedplasticpipeandfittings.Threadsmeetingthisspecificationshallonlybeusedonthoseplasticmaterialsdeemedsuitablebythemanufacturer.Specialtythreadsorthreadsnotrequiringaleak-tightjointarenotcoveredinthisspecification.Note1Theterms"wrenchmakeup"and"wrenchtight"arestandardterminologyfortightnessanddonotimplyusingapipewrenchorothertoolswhichwoulddamageplasticpipeandfittings.Theterms"hand-tight"and"hand-tightengagement"referonlytothreadgaging(notpipeandfittingconnections)andisthedefinitionoftheL1gagelength.ThreadDesignationsThetypeofpipethreadsincludedinthisspecificationaredesignatedbyspecifyinginsequencethenominalpipesize,numberofthreadsperinch,andthethreadseriessymbolsasfollowsinaccordancewithANSI/ASMEB1.20.1:3/8-18NPT.Forleft-handthreadsaddLHtothedesignation,otherwiseright-handthreadswillbeunderstood.Forexample:3/8-18NPT-LH.Eachoftheselettersinthesymbolhasadefinitesignificanceasfollows:Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeand.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:
【正文语种】:英语