ISO 18857-1-2005 水质.选定的烷基苯酚测定.第1部分:利用液-液萃取法和有选择性质量检测的气相色谱法的无过滤样品法

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【英文标准名称】:Waterquality-Determinationofselectedalkylphenols-Part1:Methodfornon-filteredsamplesusingliquid-liquidextractionandgaschromatographywithmassselectivedetection
【原文标准名称】:水质.选定的烷基苯酚测定.第1部分:利用液-液萃取法和有选择性质量检测的气相色谱法的无过滤样品法
【标准号】:ISO18857-1-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-01
【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】:水质;化学分析和试验;解释;水化学;地下水;试验;含量测定;水;气相色谱法;水质试验;萃取;苯酚;水常规(实验);抽样方法;分析;饮用水;地表水;烷基化合物
【英文主题词】:Alkylcompounds;Analysis;Calibration;Chemicalanalysisandtesting;Chemistryofwater;Determinationofcontent;Extraction;Gaschromatography;Gasphasechromatography;Groundwater;Interpretations;Mathematicalcalculations;Phenol;Potablewater;Samplingmethods;Substances;Surfacewater;Testing;Water;Waterpractice;Waterquality;Watertesting
【摘要】:ThispartofISO18857specifiesamethodforthedeterminationof4-nonylphenol(mixtureofisomers)and4-(1,1,3,3-tetramethylbutyl)phenolinnon-filteredsamplesofdrinkingwater,groundwaterandsurfacewater.Themethodisapplicableinaconcentrationrangefrom0,005μg/lto0,2μg/lfor4-(1,1,3,3-tetramethylbutyl)phenolandfrom0,02μg/lto0,2μg/lfor4-nonylphenol(mixtureofisomers).Dependingonthematrix,themethodisalsoapplicabletowastewatercontainingtheanalyzedcompoundsintheconcentrationrangefrom0,1μg/lto50μg/l.Higherconcentrationscanbemeasuredafterappropriatedilutionofthesample.
【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

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上一篇: ISO 20079-2005 水质.水和废水的毒性对浮萍生物(青萍)影响的测定.浮萍生长抑制试验
下一篇: ISO 14154-2005 土质.一些选出的氯苯酚的测定.电子俘获检测的气相色谱法

【英文标准名称】:StandardTestMethodforMetalPowderSkeletalDensitybyHeliumorNitrogenPycnometry
【原文标准名称】:氦或氮测比重法测定金属粉末骨架密度的标准试验方法
【标准号】:ASTMB923-2010
【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】:B09.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:density;metalpowders;outgassing;pycnometry;refractorymetalpowders;skeletaldensity;skeletalvolume;Density--metalpowders(P/M);Outgassingmaterials/processes;Performance--metals/alloysmaterials/applications;Pycnometer/pycnometry;Refractory
【摘要】:Bothsuppliersandusersofmetalscanbenefitfromknowledgeoftheskeletaldensityofthesematerials.Resultsofmanyintermediateandfinalprocessingstepsarecontrolledbyorrelatedtoskeletaldensityofthemetal.Inaddition,theperformanceofmanysinteredorcastmetalstructuresmaybepredictedfromtheskeletaldensityofthestartingmetalpowder,foralloraportionofthefinishedpiece.1.1Thistestmethodcoversdeterminationofskeletaldensityofmetalpowders.Thetestmethodspecifiesgeneralproceduresthatareapplicabletomanycommercialpycnometryinstruments.Themethodprovidesspecificsampleoutgassingproceduresforlistedmaterials.Itincludesadditionalgeneraloutgassinginstructionsforothermetals.Theidealgaslawformsthebasisforallcalculations.1.2Thistestmethoddoesnotincludeallexistingproceduresappropriateforoutgassingmetalmaterials.Theincludedproceduresprovidedacceptableresultsforsamplesanalyzedduringaninterlaboratorystudy.Theinvestigatorshalldeterminetheappropriatenessoflistedprocedures.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3.1ThistestmethodusesSIunitsasstandardinaccordancewith.StateallnumericalvaluesintermsofSIunitsunlessspecificinstrumentationsoftwarereportsvolumeand/ordensityusingalternateunits.Inthiscase,presentbothreportedandequivalentSIunitsinthefinalwrittenreport.Manyinstrumentsreportskeletaldensityasg/cm3insteadofusingcorrectSIunits(kg/m3).1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H16
【国际标准分类号】:77_160
【页数】:4P.;A4
【正文语种】:英语

Product Code:SAE AMS3572
Title:Resin Polyurethane, Foam-In-Place, Rigid (NONCURRENT Oct 1992)
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers polyurethane systems consisting of an isocyanate component and other components containing a polyol and other ingredients which, when mixed and cured, produce thermosetting, rigid, cellular products.