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【英文标准名称】:PracticeforCalibrationof20and125mmTestFlamesforSmall-ScaleBurningTestsonPlasticMaterials(08.03)
【原文标准名称】:塑料小型燃烧试验20和125mm试验火焰的校准惯例(08.03)
【标准号】:ANSI/ASTMD5207-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:1998-07-09
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:火焰;可燃性试验;塑料;校正
【英文主题词】:combustibilitytests;calibration;flames;plastics
【摘要】:Thispracticecoverstheconfirmationoftestflamesforsmall-scaleburningtestsonplasticmaterialsusingthelaboratoryburnerdescribedinSpecificationD5025.Backpressuresandflowratesformethane,propane,andbutanesupplygasesaregivenforspecifictestflames.Thispracticedescribesaproceduretoconfirmtheheatevolutionofthetestflame.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandardshouldbeusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditionsandshouldnotbeusedtodescribeorappraisethefire-hazardorfire-riskofmaterials,products,orassembliesunderactualfireconditions.Results,however,ofthetestmaybeusedaselementsofafire-hazardassessmentorafire-riskassessment,whichtakesintoaccountallofthefactors,whicharepertinenttoanassessmentofthefirehazardorfireriskofaparticularenduse.Note1-ThereisnosimilarISOstandard.Thispracticeisequivalentintechnicalcontentto,butnotfullycorrespondinginpresentationwith,theconfirmatoryproceduresofIEC/TS60695-11-3,MethodAandIEC/TS60695-11-4,MethodA.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01;83_140_01
【页数】:
【正文语种】:英语


【英文标准名称】:Waterquality-Digestionforthedeterminationofselectedelementsinwater-Part1:Aquaregiadigestion
【原文标准名称】:水质.测定水中所选元素的发酵作用.第1部分:王水发酵作用
【标准号】:ISO15587-1-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-03
【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/TC147
【标准类型】:()
【标准水平】:()
【中文主题词】:分解;分析;含量测定;化学分析和试验;氧化法;盐酸;水质;硝酸;发酵作用;水常规;痕量元素;王水;酸混合物;含量;水常规(实验);测试;水;发酵方法;定义;分解法;酸;水质试验;水化学
【英文主题词】:Acidmixtures;Acids;Analysis;Aquaregia;Chemicalanalysisandtesting;Chemistryofwater;Content;Definitions;Determinationofcontent;Digestion;Digestionmethod;Disintegration;Disintegrationmethod;Hydrochloricacid;Nitricacid;Oxidationmethods;Testing;Traceelements;Water;Waterpractice;Waterquality;Watertesting
【摘要】:ThispartofISO15587specifiesamethodforextractingtraceelementsfromawatersampleusingaquaregiaasadigestionagent.Themethodisapplicabletoalltypesofwaterswithasuspendedsolidsmassconcentrationoflessthan20g/landamassconcentrationoftotalorganiccarbon(TOC)expressedascarbonoflessthan5g/l.Theaquaregiadigestionmethodisempiricalanditmightnotreleaseelementscompletely.However,formostenvironmentalapplications,theresultisfitforpurpose.Aquaregiadigestionissuitableforthereleaseof:Ag,Al,As,B,Ba,Be,Ca,Cd,Co,Cr,Cu,Fe,Hg,K,Mg,Mn,Mo,Na,Ni,P,Pb,Sb,Se,Sn,Sr,Tl,V,Zn.ItisnotsuitableforthedigestionofrefractorycompoundssuchasSiO2,TiO2andAI2O3.Thepresenceofchlorideinthedigestionsolutionmaylimittheapplicationofanalyticaltechniques.Themethodisgenericandmaybeimplementedusingawidevarietyofequipmentprovided—thedigestioncompositionisunchanged,—thedigestiontemperatureisknown,and—thedigestiondurationisinaccordancewiththistemperature.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:18P.;A4
【正文语种】:英语