BS EN ISO 3251-2008 涂料、清漆和塑料.非挥发物质含量的测定

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【英文标准名称】:Paints,varnishesandplastics.Determinationofnon-volatile-mattercontent
【原文标准名称】:涂料、清漆和塑料.非挥发物质含量的测定
【标准号】:BSENISO3251-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-03-31
【实施或试行日期】:2008-03-31
【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】:分析;粘合剂;化学分析和测试;覆层材料;覆层;定义;测定;含量测定;天然漆;质量含量;非挥发物质;非挥发物测定;涂料;塑料;一份;乳状树脂;树脂;树脂(天然);抽样方法;溶剂;测试;清漆;挥发性的
【英文主题词】:Analysis;Bindingagents;Chemicalanalysisandtesting;Coatingmaterials;Coatings;Definitions;Determination;Determinationofcontent;Dispersions(chemical);Instruments;Lacquers;Masscontent;Nonvolatile;Non-volatilematter;Non-volatilematterdetermination;Paints;Phenolicresins;Plastics;Portion;Resinmilk;Resins;Resins(natural);Samplingmethods;Solvents;Testing;Varnishes;Volatile
【摘要】:ThisInternationalStandardspecifiesamethodfordeterminingthenon-volatile-mattercontentbymassofpaints,varnishes,bindersforpaintsandvarnishes,polymerdispersionsandcondensationresinssuchasphenolicresins(resols,novolaksolutions,etc.).Themethodisalsoapplicabletoformulateddispersionscontainingfillers,pigmentsandotherauxiliaries(e.g.thickenersandfilm-formingagents).Forthemethodtobeusableforunplasticizedpolymerdispersionsandrubberlatices,thenon-volatileresidue(whichconsistsessentiallyofthepolymericmaterialandofsmallquantitiesofauxiliariessuchasemulsifiers,protectivecolloids,stabilizers,solventsaddedasfilm-formingagentsand—especiallyforrubberlatexconcentrate—preservingagents)hastobechemicallystableunderthetestconditions.Forplasticizedsamples,theresidue,bydefinition,normallyincludestheplasticizer.NOTE1Thenon-volatile-mattercontentofaproductisnotanabsolutequantitybutdependsuponthetemperatureandperiodofheatingusedforthedetermination.Consequently,whenusingthismethod,onlyrelativeandnottruevaluesfornon-volatile-mattercontentareobtainedowingtosolventretention,thermaldecompositionandevaporationoflowmolecularmassconstituents.Themethodisthereforeprimarilyintendedfortestingdifferentbatchesofthesametypeofproduct.NOTE2Thismethodissuitableforsyntheticrubberlaticesprovidedheatingforaspecificperiodoftimeisconsideredappropriate(ISO124specifiesheatinguntilthelossinmassofa2gtestportionfollowingsuccessiveperiodsofheatingislessthan0,5mg).NOTE3In-housemethodsfordeterminingnon-volatilematteroftenincludedryingwithinfraredormicrowaveradiation.Standardizationofsuchmethodsisnotpossible,sincetheyarenotgenerallyapplicable.Somepolymercompositionstendtodecomposeduringsuchtreatmentandthereforegiveincorrectresults.ISO3233andISO23811specifymethodsfordeterminingthevolumeofnon-volatilematterinpaints,varnishesandrelatedproducts.
【中国标准分类号】:G51
【国际标准分类号】:83_080_01;87_040;87_060_20
【页数】:16P;A4
【正文语种】:英语


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基本信息
标准名称:石油化工管式炉燃烧器工程技术条件
英文名称:Engineering specification for burners of petrochemical tubular fired heater
中标分类: 化工 >> 化工机械与设备 >> 化工设备
替代情况:SHJ 1040-1984
发布部门:国家石油和化学工业局
发布日期:2000-10-26
实施日期:2001-03-01
首发日期:
作废日期:
出版社:中国石化出版社
出版日期:
页数:16开/7页
适用范围

本标准适用于石油化工管式炉燃烧器设计对制造和验收的要求。如有特殊要求,应在设计文件中注明。执行本标准时,尚应符合现行有关强制性标准规范的规定。

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所属分类: 化工 化工机械与设备 化工设备
Product Code:SAE AS81822/10
Title:Wire, Electrical, Solderless Wrap, Unisulated, Silver Coated Solid Conductor (STABILIZED Jul 2011)
Issuing Committee:Ae8-D Wire And Cable Committee
Scope:No scope available.