【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】:
基本信息
| 标准名称： | 医用X射线设备术语和符号 |
| 英文名称： | Terminology and symbol for medical X-ray equipment |
| 中标分类： |
医药、卫生、劳动保护 >>
医疗器械 >>
医用射线设备 |
| ICS分类： |
医药卫生技术 >>
医疗设备 >>
射线照相设备
|
| 发布部门： | 国家食品药品监督管理局 |
| 发布日期： | 1988-01-02 |
| 实施日期： | 1989-07-01 |
| 首发日期： | 1988-12-22 |
| 作废日期： | 1900-01-01 |
| 主管部门： | 国家食品药品监督管理局 |
| 归口单位： | 全国医用电器标准化技术委员会 |
| 起草单位： | 辽宁省医疗器械研究所 |
| 出版日期： | 1900-01-01 |
| 页数： | 38页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 医药 卫生 劳动保护 医疗器械 医用射线设备 医药卫生技术 医疗设备 射线照相设备