作者:标准资料网 时间:2024-05-15 18:31:23   浏览:9810   来源:标准资料网

【英文标准名称】:Determinationoftheultimateaerobicbiodegradabilityanddisintegrationofplasticmaterialsundercontrolledcompostingconditions-Methodbyanalysisofevolvedcarbondioxide
【原文标准名称】:在控制复合条件下塑料材料最大需氧生物降解能力和非集合性的测定.离析二氧化碳的分析方法
【标准号】:BSISO14855-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-08-15
【实施或试行日期】:1999-08-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:有机化合物;化学分析和试验;生物降解能力;碳;好气菌;塑料;定义
【英文主题词】:biodegradability;chemicalanalysisandtesting;carbon;definitions;organiccompounds;plastics;aerobicbacteria
【摘要】:ThisinternationalStandardspecifiesamethodforthedeterminationoftheultimateaerobicbiodegradabilityofplastics,basedonorganiccompounds,undercontrolledcompostingconditionsbymeasurementoftheamountofcarbondioxideevolvedandthedegreeofdisintegrationoftheplasticattheendofthetest.Thismethodisdesignedtosimulatetypicalaerobiccompostingconditionsfortheorganicfractionofsolidmixedmunicipalwaste.Thetestmaterialisexposedtoaninoculumwhichisderivedfromcompost.Thecompostingtakesplaceinanenvironmentwhereintemperature,aerationandhumidityarecloselymonitoredandcontrolled.Thetestmethodisdedignedtoyieldthepercentageconversionofthecarboninthetestmaterialtoevlovedcarbondioxideaswellastherateofconversion.TheconditionsdescribedinthisinternationalStandardmaynotalwayscorrespondtotheoptimumconditionsforthemaximumdegreeofbiodegradationtooccur.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:22P;A4
【正文语种】:英语