ASTM D4192-2003 原子吸收分光光度法对水中钾含量的标准试验方法
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【英文标准名称】:StandardTestMethodforPotassiuminWaterbyAtomicAbsorptionSpectrophotometry
【原文标准名称】:原子吸收分光光度法对水中钾含量的标准试验方法
【标准号】:ASTMD4192-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D19.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;原子吸收分光光度测定法;钾;含量测定;水
【英文主题词】:analysis;atomicabsorption;potassium;water;
【摘要】:Potassiumoccursinrocksinaformthatisnoteasilysolubilized;therefore,thepotassiumcontentofnaturalwatersisusuallylow.Mostnaturalwaterscontainlessthan20mg/Lofpotassium,butwaterscontainingseveralhundredmilligramsperlitreareoccasionallyfound.Potassiumisessentialtoanimalnutrition,butaconcentrationof1000to2000mg/Linstockwaterisregardedastheextremelimitpermissible.1.1Thistestmethodcoversthedeterminationoflowamountsofpotassiuminwatershavinglowsolidscontent.Theapplicablerangeofthistestmethodis0.20to4.0mg/Lwhenusingthe766.5-nmresonanceline.Therangemaybeextendedupwardbydilutionofanappropriatealiquotofsampleorbyusingtheless-sensitive404.4-nmresonanceline.Manyworkershavefoundthatthistestmethodisreliableforpotassiumlevelsto0.02mg/L,butuseofthistestmethodatthislowlevelisdependentontheconfigurationoftheaspiratorandnebulizersystemsavailableintheatomicabsorptionspectrophotometeraswellastheskilloftheanalyst.Theprecisionandbiasdatapresentedareinsufficienttojustifyuseofthistestmethodinthe0.02-mg/Lrange.1.2Thistestmethodhasbeenusedsuccessfullywithspikedreagentwater.Itistheanalyst'sresponsibilitytoensurethevalidityofthistestmethodtootherlowdissolvedsolidsmatrices.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecificprecautionarystatement,seeNote3.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:Leather.Chemicaldeterminationofchromicoxidecontent.Quantificationbyatomicabsorptionspectrometry
【原文标准名称】:皮革.氧化铬含量的化学测定.用原子吸收光谱测定法进行定量测定
【标准号】:BSENISO5398-3-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-12-31
【实施或试行日期】:2007-12-31
【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】:原子吸收光谱测定法;原子吸收分光光度测定法;化学分析和测试;化学性质;氧化铬;铬;氧化铬含量;含量;定义;测定;含量测定;皮革;皮革制品;材料测试;方法;抽样方法;样品;试样;测试
【英文主题词】:Atomicabsorptionspectrometry;Atomicabsorptionspectrophotometry;Chemicalanalysisandtesting;Chemicalproperties;Chromeoxides;Chromium;Chromiuminorganiccompounds;Chromiumoxidecontent;Chromiumoxidecontents;Content;Definitions;Determination;Determinationofcontent;Leather;Leatherproducts;Materialstesting;Methods;Oxides;Samplingmethods;Specimenpreparation;Specimens;Testspecimens;Testing
【摘要】:
【中国标准分类号】:Y46
【国际标准分类号】:59_140_30
【页数】:18P.;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforConstructionandMaintenanceofWarningTrackAreasonSportsFields
【原文标准名称】:运动场上警示跑道区域的建设和维护的标准指南
【标准号】:ASTMF2270-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:F08.64
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:跑道区域;场地;体育运动;警告;建筑;维修
【英文主题词】:athleticfield;baseball;clayskinnedarea;softball;soil;sportsfield;warningtrack
【摘要】:1.1Thisguidecoverstechniquesthatareappropriatefortheconstructionandmaintenanceofwarningtrackareasonsportsfields.Thisguideprovidesguidancefortheselectionofmaterials,suchassoilandsandforuseinconstructingorreconditioningwarningtrackareasandforselectionofmanagementpracticesthatwillmaintainasafeandfunctioningwarningtrack.Althoughthisguidehasapplicationstoallsportswhereawarningtracksurfacemayberequiredordesired,ithasspecificapplicationstobaseball/softball.1.2Thisguidedoesnotaddresssyntheticwarningtrackssuchasrubberizedsurfaces,artificialturf,orpavedsurfaces.1.3Decisionsinselectingconstructionandmaintenancetechniquesareinfluencedbylocalsoiltypes,climaticfactors,levelofplay,budget,andtraining/abilityofmanagementpersonnel.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.5Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:Y55
【国际标准分类号】:97_220_10
【页数】:5P.;A4
【正文语种】: