ASTM D 5049-1990 废弃物中氰化物筛选的试验方法

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【英文标准名称】:StandardTestMethodforAnalysisofToluenebyCapillaryColumnGasChromatography
【原文标准名称】:毛细管柱气相色谱法进行甲苯分析的标准试验方法
【标准号】:ASTMD6526-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D16.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:benzene;gaschromatography;impurities;toluenepurity;1,4-dioxane;Capillarygaschromatography;Chemicalanalysis--paints/relatedcoatings/materials;1,4-Dioxane;Gaschromatography(GC)--paints/relatedcoatings/materials;Impurities--organiccompoun
【摘要】:Thistestmethodissuitablefordeterminingtheconcentrationsofknownimpuritiesinrefinedtolueneandforuseasanintegralqualitycontroltoolwheretolueneisproducedorusedinmanufacturing.Toluenepurityisreported,butachromatographicanalysiscannotdetermineabsolutepurityifunknownorundetectedcomponentsarepresentinthesample.1.1Thistestmethodcoversthedeterminationofhydrocarbonimpuritiestypicallyfoundin,andthepurityof,samplescontaining98wt%andgreatertoluene.Thistestmethodisapplicabletoimpurityconcentrationsintherangeof0.0005to1.6wt%.1.2Monocyclicaromatichydrocarbonscontaining6through8carbonatoms,cumene,1,4x2013;dioxane,andnonaromaticaliphatichydrocarbonscontainingupto12carbonatomscanbedetectedbythistestmethod.Thenonaromaticcompoundsaredeterminedasacomposite.1.3Thefollowingappliestoallspecifiedlimitsinthistestmethod:forpurposesofdeterminingconformancewiththistestmethod,anobservedvalueoracalculatedvalueshallberoundedoffx201C;tothenearestunitx201D;inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection9.
【中国标准分类号】:G16
【国际标准分类号】:71_080_15
【页数】:5P.;A4
【正文语种】:英语


【英文标准名称】:Ergonomicsofhuman-systeminteraction-Part306:Fieldassessmentmethodsforelectronicvisualdisplays(ISO9241-306:2008);EnglishversionofDINENISO9241-306:2009-06
【原文标准名称】:人-机交互作用的人类工效学.第306部分:电子可视显示器的电场评估方法
【标准号】:ENISO9241-306-2008
【标准状态】:现行
【国别】:
【发布日期】:2009-06
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:显示器;显示装置;显示装置(计算机);电子设备及元件;工作环境;人类工效学;评估;几何特性;图象质量;指示装置;指示;信息技术;人机;测量技术;计量学;模数;监控器;办公计算机;光学的;光学试验;阅读;荧光屏;规范(验收);指示器;终端;试验;视觉的;可视显示器;目视显示工作站;外观检查(测试);称重设备;工作场所布置;工作地点
【英文主题词】:Display;Displaydevices;Displaydevices(computers);Electronicequipmentandcomponents;Environment(working);Ergonomics;Evaluations;Geometricalproperties;Imagequality;Indicatingdevices;Indications;Informationtechnology;Man-machine;Measuringtechniques;Metrology;Modules;Monitor;Officecomputers;Optical;Opticaltests;Reading;Screens;Specification(approval);Telltales;Terminals;Testing;Visual;Visualdisplayunits;Visualdisplayworkstations;Visualinspection(testing);Weightingsystem;Workplacelayout;Workingplaces
【摘要】:
【中国标准分类号】:A25
【国际标准分类号】:13_180;35_180
【页数】:52P.;A4
【正文语种】:英语