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SAE AS955 AS955 Metric Wrenches, Hand, Twelve Point, High Strength, Thin Wall

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Product Code:SAE AS955
Title:AS955 Metric Wrenches, Hand, Twelve Point, High Strength, Thin Wall
Issuing Committee:Eg-1b Hand Tools Committee
Scope: To combine (MA4534 Socket Wrenches, Hand (Metric) & MA4535 Wrenches, Box and Open End Combination Twelve Point, High Strength, Thin Wall, Metric) into a new AS955 standard.
Rationale: To combine (MA4534 Socket Wrenches, Hand (Metric) & MA4535 Wrenches, Box and Open End Combination Twelve Point, High Strength, Thin Wall, Metric) into a new AS955 standard.
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【英文标准名称】:Stationarysourceemissions-Samplinganddeterminationofgaseousfluoridecontent.
【原文标准名称】:固定源排放.气态氟化物含量的抽样和测定
【标准号】:NFX43-306-2006
【标准状态】:现行
【国别】:法国
【发布日期】:2006-09-01
【实施或试行日期】:2006-09-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:空气污染;空气净化;空气质量;定义;含量测定;排放测量;排放;氟化物含量;气体流动;气体的;抽样方法;试样制备;固定的;试验
【英文主题词】:
【摘要】:
【中国标准分类号】:Z60
【国际标准分类号】:13_040_40
【页数】:23P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforSeparationandIdentificationofPoly(VinylChloride)(PVC)ContaminationinPoly(EthyleneTerephthalate)(PET)Flake
【原文标准名称】:聚乙烯对酞酰小片中聚氯乙烯污染的分离和鉴定的标准操作
【标准号】:ASTMD5991-1996(2002)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:D20.95
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:contamination;poly(ethyleneterephthalate)(PET);poly(vinylchloride)(PVC);recycledplastics
【摘要】:PresenceofevenlowconcentrationsofPVCinrecycledPETflakesmayresultinequipmentcorrosionproblemsduringprocessing.ThelevelofPVCcontaminationmayalsodictatethemarketforuseoftherecycledpolymerinsecondaryproducts.Procedurespresentedinthispracticeareusedtoidentifyand,ifdesired,estimatetheconcentrationofPVCcontaminationinrecycledPETflakes.1.1Thispracticecoversfourproceduresforseparationandqualitativeidentificationofpoly(vinylchloride)(PVC)contaminationinpoly(ethyleneterephthalate)(PET)flakes.Note18212;Althoughnotpresentedasaquantitativemethod,procedurespresentedinthispracticemaybeusedtoprovidequantitativeresultsatthediscretionoftheuser.Theuserassumestheresponsibilitytoverifythereproducibilityofquantitativeresults.DatafromanindependentsourcesuggestaPVCdetectionlevelof200ppm(w/w)basedonanoriginalsampleweightof454g.1.2ProcedureAisbasedondifferentfluorescenceofPVCandPETwhenthesepolymersareexposedtoultraviolet(UV)light.1.3ProcedureBisanoventestbaseduponthecharringofPVCwhenitisheatedinairat235C.1.4ProceduresCandDaredyetestsbasedondifferentialstainingofPVCandPET.Note28212;Otherpolymers(forexample,PETG)alsoabsorbthestainorbrightener.SuchinterferenceswillresultinfalsepositiveidentificationofPVCasthecontaminant.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ForspecifichazardsseeSection8.Note38212;ThereisnoequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:3P.;A4
【正文语种】: