ASTM D 4322-1996 用液面上气相色谱法测定苯乙烯-丙烯腈共聚物和腈橡胶上残留的丙烯腈单体的标准试验方法

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【英文标准名称】:Plastics-Determinationofresistancetoenvironmentalstresscracking(ESC)-Part4:Ballorpinimpressionmethod
【原文标准名称】:塑料制品.耐环境应力开裂(ESC)测定.第4部分:球或针形压衡痕法
【标准号】:ISO22088-4-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:球压试验;球;裂纹检验;裂开;定义;环境条件;环境效应;耐环境应力开裂(CSE);压痕试验;材料试验;材料力学性能;钉;塑料;撕裂试验;应力裂纹特性;应力断裂;应力裂纹;试验设备;试样;试验
【英文主题词】:Ballcompressiontest;Balls;Cracktests;Cracking;Definitions;Environmentalcondition;Environmentaleffect;Environmentalstresscracking;Indentationtests;Materialstesting;Mechanicalbehaviourofmaterials;Pins(nails);Plastics;Splittingtests;Stresscrackingbehaviour;Stresscrackings;Stresscracks;Testequipment;Testspecimens;Testing
【摘要】:1.1ThispartofISO22088specifiesaballorpinimpressionmethodforthedeterminationoftheenvironmentalstresscracking(ESC)behaviourofplasticsbymeansofaconstant-straintest.1.2Themethodisapplicabletofinishedproductsandtotestspecimenspreparedbymouldingand/ormachining,andcanbeusedfortheassessmentoftheESCbehaviourofaplasticproductormaterialexposedtodifferentenvironments,aswellasforthedeterminationoftheESCbehaviourofdifferentplasticsmaterialsexposedtoaspecificenvironment.NOTEAlternativemethodsforthedeterminationofenvironmentalstresscrackingbymeansofaconstant-straintestarespecifiedinISO22088-3andISO22088-5.Amethodforthedeterminationofenvironmentalstresscrackingbymeansofaconstant-stresstestisspecifiedinISO22088-2.1.3TheballandpinimpressionmethodsarebothquickandsensitiveproceduresforassessingtheESCbehaviourofplastics.Themethodsarewellsuitedforamorphousplastics.Theyarelessappropriateformaterialsdisplayingapronouncedtendencyforcreepand/orstressrelaxation,i.e.forsemi-crystallinematerials.Ifsemi-crystallinematerialsaretested,pinsaremoreappropriatethanballs.1.4TheballimpressionmethodisusefulforassessingtheprincipalESCbehaviourofthematerial/chemicalcombinationunderconsideration.Itislessinfluencedbythenear-surfaceorientationstateofthespecimensthanthepinimpressionmethodandthemethodsintheotherpartsofthisInternationalStandard,wherethechemicalattacksonlytheoriginalsurfaceofthematerial.This,dependingonthemannerofspecimenpreparation,mayshowaconsiderabledegreeoforientation.1.5Thepinimpressionmethodisusefulfortestingspecimensofsmallthicknessandfinishedparts.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:13P;A4
【正文语种】:英语


【英文标准名称】:Chemicalproducts.GeneralprinciplesforthedeterminationofwaterbytheKarlFischermethod.
【原文标准名称】:化学制品.用卡尔费歇尔法测定水含量的一般原则
【标准号】:NFT20-052-1968
【标准状态】:现行
【国别】:法国
【发布日期】:1968-10-01
【实施或试行日期】:1968-09-23
【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】:化学分析;化学分析和试验;化学;化合物;卡·弗歇尔试剂;量电分析;含量测定;电解分析法;水
【英文主题词】:Chemicalanalysisandtesting;Connections;Determinationofcontent;Electro-analyticalmethods;KarlFischerreagent;Volumetricanalysis;Water
【摘要】:
【中国标准分类号】:G04
【国际标准分类号】:71_040_40
【页数】:8P;A4
【正文语种】:其他