BS 7755-4.4.3-1997 土质.生物法.污染物对微生物的影响.土壤中氮矿化性和氮化合性的测定和化学制品对这些过程的影响

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【英文标准名称】:Soilquality-Biologicalmethods-Effectsofpollutantsonmicrobes-Determinationofnitrogenmineralizationandnitrificationinsoilsandtheinfluenceofchemicalsontheseprocesses
【原文标准名称】:土质.生物法.污染物对微生物的影响.土壤中氮矿化性和氮化合性的测定和化学制品对这些过程的影响
【标准号】:BS7755-4.4.3-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-05-15
【实施或试行日期】:1997-05-15
【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】:土壤;土壤试验;生物分析和试验;化学分析和试验;含量测定;土壤学;吸水试验;矿物;毒性;氮;硝化细菌;质量
【英文主题词】:Biologicaltests;Chemicalanalysisandtesting;Chemicals;Compositionoftheground;Definition;Definitions;Determination;Laboratorytesting;Laboratorytests;Measurement;Methodsofanalysis;Micro-organisms;Mineralcontent;Mineralization;Nitrification;Nitrifization;Nitrogen;Soilanalysis;Soilsurveys;Soiltesting;Soils;Testing;Toxicity;Waterpractice
【摘要】:ThisInternationalStandardspecifieslaboratoryproceduresformeasuringthemineralizationandnitrificationofnitrogenbythesoilmicroflora.Forinvestigationsofabasicoradvisorynature,outlineproceduresaregivenforevaluationoftheratesandextentofN-mineralizationinsoilorsoilsofknownorunknownquality.ForinvestigationofthepotentialtoxicityofchemicalstoN-mineralizationinsoils,asimpleprocedureisgivenwhichallowstheimpactofsinglechemicalstobeassessed,andprovidesabasisforcomparisonofthetoxicitiesofdifferentchemicals.
【中国标准分类号】:B10
【国际标准分类号】:13_080_30
【页数】:18P;A4
【正文语种】:英语