ASTM D2124-1999(2004) 用红外线分光光度法分析聚氯乙烯组分的标准试验方法

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【英文标准名称】:StandardTestMethodforAnalysisofComponentsinPoly(VinylChloride)CompoundsUsinganInfraredSpectrophotometricTechnique
【原文标准名称】:用红外线分光光度法分析聚氯乙烯组分的标准试验方法
【标准号】:ASTMD2124-1999(2004)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:工艺;分析;试件;聚氯乙烯;塑料
【英文主题词】:
【摘要】:PVCcompoundsareusedinawidevarietyofproductsandhencetheyareformulatedtoprovideawiderangeofphysicalproperties.Thephysicalpropertiesrequiredinacompounddependupontheproductinwhichitisused.Thesepropertiesarelargelydeterminedbythetype,quantity,andqualityofthecompoundingingredients.Theanalyticaltestmethoddescribedbelowmakesuseofinfraredspectrophotometryforthequalitativeorquantitativedetermination,orboth,ofmanyoftheseingredientsinPVCcompounds.Thistestmethodmaybeusedforavarietyofapplicationsincludingprocesscontrol,rawmaterialacceptance,productevaluation,anddeterminationofchangesincompositionresultingfromenvironmentaltesting.Thistestmethodisdirectlyapplicableonlytothosecomponentslistedintheappendixandtothosecomponentswhichareknowntobesimilarinchemicalcompositionandinsolubilitycharacteristicstothechemicalslistedintheappendix.1.1Thistestmethodprovidesfortheidentificationofcertainresins,plasticizers,stabilizers,andfillersinpoly(vinylchloride)(PVC)compoundsbyaninfraredspectrophotometrictechnique.Inmanycases,individualcomponentsmaybemeasuredquantitatively.Complementaryprocedures,suchaschromatographicandotherseparations,willbenecessarytoseparatespecificcomponentsandextendtheapplicationsofthistestmethod.Otherinstrumentaltestmethods,suchasopticalemissionorX-rayspectroscopicmethods,mayyieldcomplementaryinformationwhichmayallowmorecompleteor,insomecases,easiermeasurementofthecomponents.Theresincomponentscoveredinthistestmethodarelistedintheappendix.1.2PVCformulationsaretoovariedtobecoveredadequatelybyasingletestmethod.Usingthefollowingtestmethod,manycompoundsmaybeseparatedintoresins,plasticizers,stabilizers,andfillers.Anumberofcomponentscanbequantitativelymeasured.Manymorecanbeidentifiedandtheirconcentrationsestimated.Bytheuseofpreparedstandards,onemaydeterminetheusefulnessandaccuracyofthetestmethodforspecificPVCformulations.Thistestmethodisapplicablefortheresincomponentslistedintheappendixandforothercomponentshavingsimilarchemicalcompositionsandsolubilitycharacteristics.Thistestmethodcanleadtoerrorincaseswherethenatureofthecomponentsisnotknown.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinbracketsaregivenforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnosimilarorequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_140_99
【页数】:6P.;A4
【正文语种】:


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【英文标准名称】:Testmethodsofaircleanersforautomobiles
【原文标准名称】:汽车用空气滤清器的试验方法
【标准号】:JISD1612-1989
【标准状态】:现行
【国别】:日本
【发布日期】:1989-03-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonRoadVehicles
【标准类型】:()
【标准水平】:()
【中文主题词】:私人汽车;道路车辆;空气净化设备;试验
【英文主题词】:testing
【摘要】:この規格は,自動車に用いる乾式,湿潤式,油槽式及びサィクロン式のエアクリーナ並びにこれらを組み合わせた多段式エアクリーナ(以下,エアクリーナという。)の性能試験方法について規定する。
【中国标准分类号】:T13
【国际标准分类号】:43_040_60
【页数】:58P;A4
【正文语种】:日语


【英文标准名称】:Specificationforpressureregulatorsusedinwelding,cuttingandrelatedprocesses
【原文标准名称】:焊接、切割及有关工艺过程用的压力调节器规范
【标准号】:BS5741-1979
【标准状态】:作废
【国别】:英国
【发布日期】:1979-09-28
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:焊接;乙炔;点火;切削;压缩气体;压力试验;燃烧试验;热切割设备;作标记;焊接设备;机械试验;压力调节器
【英文主题词】:compressedgases;welding;acetylene;weldingequipment;thermalcuttingequipment;firetests;pressureregulators;ignition;mechanicaltesting;pressuretesting;marking;cutting
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:
【页数】:12P;A4
【正文语种】:英语