ISO 14507-2003 土质.测定有机污物用试样的预处理

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【英文标准名称】:Soilquality-Pretreatmentofsamplesfordeterminationoforganiccontaminants
【原文标准名称】:土质.测定有机污物用试样的预处理
【标准号】:ISO14507-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-03
【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/TC190
【标准类型】:()
【标准水平】:()
【中文主题词】:土壤;土壤普查;粒径成分;土壤污物;化学分析和试验;土壤组分;污染;取样部分;土壤分析;预处理;土壤采样;试样制备;土壤污染;杂质;有机的;定义;抽样方法
【英文主题词】:Chemicalanalysisandtesting;Compositionoftheground;Contamination;Definitions;Grainsizecomposition;Impurities;Organic;Pretreatment;Sampleportions;Samplingmethods;Soilanalysis;Soilcontaminants;Soilpollution;Soilsampling;Soilsurveys;Soils;Specimenpreparation;Waterpractice
【摘要】:ThisInternationalStandardspecifiesthreemethodsforthepretreatmentofsoilsamplesinthelaboratorypriortothedeterminationoforganiccontaminants:—ifvolatileorganiccompoundsaretobemeasured;—ifmoderatelyvolatiletonon-volatileorganiccompoundsaretobemeasured,iftheresultofthesubsequentanalysismustbeaccurateandreproducible,andifthesamplecontainsparticleslargerthan2mmand/orthecontaminantisheterogeneouslydistributed;—ifnon-volatileorganiccompoundsaretobemeasuredandtheextractionprocedureprescribesafield-moistsample,orifthelargestparticlesofthesamplearesmallerthan2mmandthecontaminantishomogeneouslydistributed.Thisprocedureisalsoapplicableifreducedaccuracyandrepeatabilityareacceptable.ThepretreatmentdescribedinthisInternationalStandardisusedincombinationwithanextractionprocedureinwhichthecontaminantisavailablefortheextractionliquid.NOTEForthepretreatmentofsoilsamplesforthepurposesofdeterminingnon-volatileinorganiccompoundsandphysico-chemicalsoilcharacteristics,seeISO11464.
【中国标准分类号】:B11
【国际标准分类号】:13_080_01
【页数】:14P.;A4
【正文语种】:英语