热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

ASTM D 4756-2002 硬质聚氯乙烯挡板和拱腹安装的标准实施规程

作者:标准资料网 时间:2024-05-10 00:56:28  浏览:8133   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardPracticeforInstallationofRigidPoly(VinylChloride)(PVC)SidingandSoffit
【原文标准名称】:硬质聚氯乙烯挡板和拱腹安装的标准实施规程
【标准号】:ASTMD4756-2002
【标准状态】:作废
【国别】:美国
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Q70
【国际标准分类号】:91_200
【页数】:10P;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforDeterminationofDiisopropylMethylphosphonate,EthylHydrogenDimethylamidophosphate,EthylMethylphosphonicAcid,IsopropylMethylphosphonicAcid,MethylphosphonicAcidandPinacolylMethylphosphonicAcidinWaterbyLiquidChro
【原文标准名称】:用液相色谱法/串联质谱分析水中二异丙基甲基磷酸酯、乙基氢氨基磷酸盐、乙基膦酸、异丙基甲基膦酸、甲基膦酸和频哪基甲基膦酸的测定用标准试验方法
【标准号】:ASTMD7597-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:D19.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:液相色谱法;质谱学;有机金属
【英文主题词】:liquidchromatography;massspectrometry;organophosphonates
【摘要】:Organophosphatepesticidesaffectthenervoussystembydisruptingtheenzymethatregulatesacetylcholine,aneurotransmitter.Theyweredevelopedduringtheearly19thcentury,buttheireffectsoninsects,whicharesimilartotheireffectsonhumans,werediscoveredin1932.Somearepoisonousandwereusedaschemicalweaponagents.Organophosphatepesticidesareusuallynotpersistentintheenvironment.,Thistestmethodisfortheanalysisofselectedorganophosphorous-basedchemicalweaponagentdegradationproductsfromSarin(GB),Soman(GD),Tabun(GA)andVX.Thismethodhasbeeninvestigatedforusewithreagentandsurfacewater.1.1Thisprocedurecoversthedeterminationofdiisopropylmethylphosphonate(DIMP),ethylhydrogendimethylamidophosphate(EHDMAP),ethylmethylphosphonicacid(EMPA),isopropylmethylphosphonicacid(IMPA),methylphosphonicacid(MPA)andpinacolylmethylphosphonicacid(PMPA)(referredtocollectivelyasorganophosphonatesinthistestmethod)insurfacewaterbydirectinjectionusingliquidchromatography(LC)anddetectedwithtandemmassspectrometry(MS/MS)usingelectrosprayionization(ESI).Theseanalytesarequalitativelyandquantitativelydeterminedbythismethod.Thismethodadherestosinglereactionmonitoring(SRM)massspectrometry.1.2ThistestmethodhasbeendevelopedinsupportoftheNationalHomelandSecurityResearchCenter,USEPAbyRegion5ChicagoRegionalLaboratory.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thedetectionverificationlevel(DVL)andreportingrangefortheorganophosphonatesarelistedinTable1.1.4.1TheDVLisrequiredtobeataconcentrationatleastthreetimesbelowthereportinglimit(RL)andhaveasignal/noiseratiogreaterthan3:1.Fig.1displaysthesignal/noiseratiosattheDVLsfortheorganophosphonatesintheESIpositivemodeandFig.2intheESInegativemode.1.4.2ThereportinglimitistheconcentrationoftheLevel1calibrationstandardasshowninTable2fortheorganophosphonatesexceptforMPAintheESInegativemodewhichisatLevel2duetonotmeetingtheDVLcriteriaatthelowerconcentrationlevel.TheDVLforMPAintheESInegativemodeisat20x03BC;g/L,whichforcesaraisedreportinglimit.However,themulti-laboratoryvalidationrequiredaspikeofalltargetanalytesatLevel1concentrations.ThemeanrecoveryforMPAintheESInegativemodeatthislevelwas98.7%asshowninTable3.Ifyourinstrumentx2019;ssensitivitycanmeettherequirementsinthistestmethod,MPAmayhavea50x03BC;g/Lreportinglimit.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C51
【国际标准分类号】:13_060_50
【页数】:12P.;A4
【正文语种】:


【英文标准名称】:Geometricalproductspecifications(GPS)-Surfacetexture:areal-Part701:calibrationandmeasurementstandardsforcontact(stylus)instruments.
【原文标准名称】:产品几何技术规范(GPS).表面纹理:平面.第701部分:触点(探针)仪器用测量和校准标准
【标准号】:NFE05-031-701-2010
【标准状态】:现行
【国别】:法国
【发布日期】:2010-08-01
【实施或试行日期】:2010-08-28
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:面积;校准;稳定性(机械性能);接触式尖笔记录仪;坐标测量技术;精整;几何的;产品几何技术规范;几何;产品几何技术规范(GPS);键控装置;测量;测量仪器;测量技术;仪表;计量学;产品规格;产品规范;探针仪器;表面纹理;表面;试验技术;磨损量
【英文主题词】:Area;Calibration;Consistency(mechanicalproperty);Contactstylusinstruments;Coordinatemetrology;Finishes;Geometric;Geometricalproductspecification;Geometry;GPS;Keyingapparatus;Measurement;Measuringinstruments;Measuringtechniques;Meters;Metrology;Productspecification;Productspecifications;Stylusinstruments;Surfacetexture;Surfaces;Testtechniques;Wear-quantity
【摘要】:
【中国标准分类号】:N33
【国际标准分类号】:17_040_30
【页数】:34P;A4
【正文语种】:其他



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1