BS EN 60825-2-1995 激光产品安全.光纤通信系统的安全
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【英文标准名称】:Safetyoflaserproducts.Safetyoflaserproducts.Safetyofopticalfibrecommunicationsystems
【原文标准名称】:激光产品安全.光纤通信系统的安全
【标准号】:BSEN60825-2-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-01-15
【实施或试行日期】:1995-01-15
【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】:使用说明;纤维光缆;发光二极管;维修;识别方法;职业安全;纤维光学;辐射防护;作标记;颜色;安全措施;激光器;光危害;光通信系统;光纤维;维纤光学连接器
【英文主题词】:
【摘要】:
【中国标准分类号】:M33
【国际标准分类号】:33_180_01
【页数】:42P;A4
【正文语种】:英语
基本信息
标准名称: | 经济类型代码 |
中标分类: |
综合 >>
基础标准 >>
分类编码 |
发布日期: | 1991-12-18 |
实施日期: | 1992-05-01 |
首发日期: | |
作废日期: | 2005-07-26 |
出版日期: | |
页数: | 4页 |
适用范围
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前言
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引用标准
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所属分类: 综合 基础标准 分类编码
【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】: