【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(2011)
【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】:红外线光谱法
【英文主题词】:Infraredspectroscopy
【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;ThereisnoknownISOequivalenttothisstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_140_99
【页数】:5P.;A4
【正文语种】:
基本信息
标准名称: | 铸件材料消耗工艺定额 计算方法 |
中标分类: |
机械 >>
加工工艺 >>
铸造 |
发布部门: | 中华人民共和国机械工业部 |
发布日期: | 1993-07-27 |
实施日期: | 1994-07-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
提出单位: | 全国铸造标准化技术委员会 |
归口单位: | 机械工业部沈阳铸造研究所 |
起草单位: | 河北省机电厅、唐山市水泵少、承德合金铸铁厂 |
起草人: | 王艾新、林惠德、曹英敏、许利民、崔月珍、党希军 |
出版社: | 机械工业出版社 |
出版日期: | 1994-07-01 |
页数: | 12页 |
适用范围
本标准规定了铸件材料消耗工艺定额的术语,计算依据和计算方法。
本标准适用于铸造生产过程中金属材料消耗及为熔化金属而消耗的焦碳等定额的计算。
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所属分类: 机械 加工工艺 铸造