BS EN ISO 11401-1998 塑料.酚醛树脂.用液体色谱法分离
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【英文标准名称】:Plastics-Phenolicresins-Separationbyliquidchromatography
【原文标准名称】:塑料.酚醛树脂.用液体色谱法分离
【标准号】:BSENISO11401-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-10-15
【实施或试行日期】:1998-10-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;热固性聚合物;数据表示;试验条件;酚醛树脂;塑料;液相色谱法;凝胶色谱法;色谱法;分离法(化学分析);柱色谱法;试样制备;高聚物
【英文主题词】:Chemicalanalysisandtesting;Chromatography;Definition;Definitions;Determinationofcontent;Liquidchromatography;Materialstesting;Paints;Phenolicresins;Plastics;Separationprocesses;Testing
【摘要】:1ThisInternationalStandardspecifieschromato-graphicmethodsfortheseparationofphenolicresinsintotheircomponentcompounds.Separationtakesplaceaccordingtomolecularweightand/orpolarity.Therearevariousliquidchromatographicmethods:A:Gel-permeationchromatographyB:High-performanceliquidchromatographyonpolarcolumnsC:High-performanceliquidchromatographyonnon-polarcolumnsItispossibletoseparateaphenolicresinintoitscomponentsaccordingtomolecularsizeusingmethodA(gel-permeationchromatography).Whereasfreephenolandthesumofthedihydro-xydiphenylmethanes(innovolaks)andvariousmethylolphenols(inresols)arequantitativelysepar-atedinthisprocedure,high-molecular-weightcompo-nentsoftheresinsareonlyincompletelyseparatedduetothemultitudeofisomers.MethodsBandC(high-performanceliquidchroma-tography)separatethecompoundsintheresinac-cordingtomolecularweightandpolarity.Molecular-weighteffectspredominateonpolarsta-tionaryphases(methodB),andtheeffectofpolarityonnon-polarstationaryphases(methodC).Thesemethodsalsoallowquantitativedeterminationofin-dividuallow-molecular-weightresincomponents.Be-causeofthedifferentresinsolubilities,methodBismoresuitablefornovolaksandmethodCforresols.2Themethodsareapplicabletophenolicresinsthataresolubleinthesolventsandsolventblendsused.3Thistestisusefulforcharacterizationofpro-ductsandforresearch.
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:14P;A4
【正文语种】:英语
【英文标准名称】:Specificationsforinstallationsinsidebuildingsconveyingwaterforhumanconsumption-Design
【原文标准名称】:人类消费用水的建筑物内部输水设备规范.设计
【标准号】:BSEN806-2-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-04-27
【实施或试行日期】:2005-04-27
【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】:饮用水;饮用水供给;建筑物服务设施;水常规(实验);管道装置;饮用水管线;给水;材料;饮用水设备;计划;阀门;管连接件;水处理;隔热;检验;管道;清洁处理;管;管道工程系统;安全阀;处理;安全工程;试验;水表;水表;噪声控制;规范(验收);保护措施;灭火器;压力计;流体设备元件;元部件;热水供应;减水;管路;室内线;测量仪器;水;交付使用;给水设施;塑料管道;输水管道;使用条件;安全措施;超压;排放旋塞;给水(建筑物);水加热器;船舶;能量守恒;设计数据
【英文主题词】:Cleaning;Commissioning;Components;Designdata;Draw-offtaps;Drinkingwaterinstallations;Drinkingwaterlines;Drinkingwatersupply;Energyconservations;Excesspressures;Fireextinguishers;Fluidequipmentcomponents;Indoorlines;Inspection;Materials;Measuringinstruments;Noisecontrol(acoustic);Operatingconditions;Pipecouplings;Pipelineinstallations;Pipelines;Pipes;Pipeworksystems;Piping;Planning;Plasticpipelines;Potablewater;Pressuregauges;Pressureincreases;Protectivemeasures;Rinsing;Safetyengineering;Safetymeasures;Safetyvalves;Serviceinstallationsinbuildings;Specification(approval);Testing;Thermalinsulation;Treatment;Valves;Vessels;Warmwatersupply;Water;Waterheaters;Watermeters;Waterpipelines;Waterpractice;Waterreduction;Watersupply;Watersupply(buildings);Watersupplyinstallations;Watertreatment;Water-supplymeters
【摘要】:Thisdocumentgivesrecommendations,andspecifiesrequirements,onthedesignofpotablewaterinstallationswithinbuildingsandforpipeworkoutsidebuildingsbutwithinthepremises(seeEN806-1)andappliestonewinstallations,alterationsandrepairs.
【中国标准分类号】:P42
【国际标准分类号】:91_140_60
【页数】:52P.;A4
【正文语种】:英语
【英文标准名称】:Divingsuits-Part4:Oneatmospheresuits(ADS)-Humanfactorsrequirementsandtestmethods
【原文标准名称】:潜水服.第4部分:一个大气压的潜水服(ADS).人类因素要求和试验方法
【标准号】:BSEN14225-4-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2006-02-13
【实施或试行日期】:2006-02-13
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiesthehumanfactorsperformanceofoneatmospheredivingsuits(ADS)wherethedivercanmakeuseofarticulatedarmsandlegsandisabletoconductunderwateractivitieswhilebreathingunderwater.Marking,labelling,informationtobeprovidedatthepointofsale,andinstructionsforusearealsospecified.Laboratoryandpracticalperformancetestsarespecified.
【中国标准分类号】:R55
【国际标准分类号】:97_220_40
【页数】:20P;A4
【正文语种】:英语