【英文标准名称】:StandardGuideforSelectionofMethodsofParticleSizeAnalysisofFluvialSediments(ManualMethods)
【原文标准名称】:河水中沉淀物粒度分析方法的选择标准指南(手工方法)
【标准号】:ASTMD4822-1988(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1988
【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】:D19.07
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:particlesize;sediment;Particleanalysis--water;Samplingwateranalysisapplications;Sediment;Statisticalmethods--wateranalysis;Wastewatertesting/treatment
【摘要】:Thisguideisgeneralandusefulinhelpingtheusertodetermineanappropriatemanualtestmethodfordeterminingtheparticlesizedistributionoffluvialsediments.Thesuggestedtestmethodsarenotdescribedinthisguide,butreferencesaregivensothattheusermayobtainmoreinformationabouteachtestmethod.Itshouldbenotedthatdifferenttestmethodsmayandoftentimesdoproducedifferentparticlesizedistributionsforthesamesample.Thisisdueinparttothedifferenttestmethodsrequiringnativeordistilledwater,differencesindispersionmethodsused,anddifferencesinwhatthetestmethodismeasuring,thatis,physicalorsedimentationdiameter.1.1Thisguidecoverstheselectionofmethodsfordeterminingthesizedistributionoffluvialsedimentsparticlesintherangegreaterthan0.45x03BC;musingmanualmethods.Manualmethodsaredefinedasthosemethodsthatrequiretheoperatortodosomeactualmeasurementsandcalculations.Anautomatedmethodwouldbeonewhich,afterthesampleispreparedandinsertedintoaninstrument,theinstrument(machine)doesthemeasuringandcalculations,nottheoperator.Notallmanualmethodsarepresentedinthisguide.However,whereavailable,atleasttwomethodsforeachparticlesizerangearegiven.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】:英语