【英文标准名称】:Refrigeratingsystemsandheatpumps-Testmethodofequipmentsforrecovery,recyclingandreclaimofrefrigerantsusedinrefrigeratingsystemsandheatpumps.
【原文标准名称】:制冷系统和热泵:制冷系统和热泵中所用制冷剂的回收,循环和再生设备的测试方法.
【标准号】:NFE35-421-2011
【标准状态】:现行
【国别】:法国
【发布日期】:2011-09-01
【实施或试行日期】:2011-09-30
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Contamination;Coolers;Heatpumps;Joints;Recovery;Recycling;Refrigerants;Refrigeratingsystems;Regeneration;Testing
【摘要】:
【中国标准分类号】:P45
【国际标准分类号】:27_200
【页数】:17P;A4
【正文语种】:其他


【英文标准名称】:Plastics-Polyurethanerawmaterials-Determinationofisocyanatecontent
【原文标准名称】:塑料.聚氨酯原材料.异氰酸酯的测定
【标准号】:BSENISO14896-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-09-05
【实施或试行日期】:2001-09-05
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:含量测定;异氰酸酯;高聚物;热塑性聚合物;化学分析和试验;塑料;聚氨酯
【英文主题词】:Basematerials;Basicmaterials;Chemicalanalysisandtesting;Concentration;Definitions;Determinationofcontent;Isocyanates;Methodsofanalysis;Plastics;Polyurethane;Rawmaterials
【摘要】:ThisInternationalStandardspecifiestwomethodsforthemeasurementoftheisocyanatecontentofaromaticiso-cyanatesusedaspolyurethanerawmaterials.MethodAisprimarilyapplicabletorefinedtoluenediisocyanate(TDI),methylene-bis-(4-phenylisocyanate)(MDI)andtheirprepolymers.MethodBisapplicabletorefined,crudeormodi-fiedisocyanatesderivedfromtoluenediisocyanate,methylene-bis-(4-phenylisocyanate)andpolymethylenepolyphenylisocyanate.Itcanalsobeusedforisomermixturesoftoluenediisocyanate,methylene-bis-(4-phenyl-isocyanate)andpolymethylenepolyphenylisocyanate.Otheraromaticisocyanatesmaybeanalysedbythismethodifprecautionsaretakentoverifysuitability.Itisnotapplicabletoblockedisocyanates.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:20P.;A4
【正文语种】:英语