BS EN 15559-2009 肥料.依照Arnd法测定硝态氮和氨态氮含量的测定
时间:2024-05-18 21:31:03 来源: 标准资料网 作者：标准资料网 阅读：9384
【英文标准名称】:Fertilizers-DeterminationofnitricandammoniacalnitrogenaccordingtoArnd
【原文标准名称】:肥料.依照Arnd法测定硝态氮和氨态氮含量的测定
【标准号】:BSEN15559-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-06-30
【实施或试行日期】:2009-06-30
【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】:氨态氮;铵;Arnd;化学分析和试验;测定;含量测定;蒸馏;肥料;指示器;硝酸盐;氮;抽样方法;土壤改良;土壤改良物质;溶液;规范(验收);试样制备;试验设备;试验
【英文主题词】:Ammoniacalnitrogen;Ammonium;Arnd;Chemicalanalysisandtesting;Determination;Determinationofcontent;Distillation;Fertilizers;Indicators;Nitrates;Nitrogen;Samplingmethods;Soilimprovement;Soilimprovingmaterials;Solutions;Specification(approval);Specimenpreparation;Testequipment;Testing
【摘要】:ThisEuropeanStandardspecifiesamethodforthedeterminationofnitricandammoniacalnitrogenwithreductionaccordingtoArnd(modifiedforeachofthevariantsa,bandc).Themethodisapplicabletoallnitrogenousfertilizers,includingcompoundfertilizers,inwhichnitrogenisfoundexclusivelyinnitrateform,orinammoniacalandnitrateform.
【中国标准分类号】:G20
【国际标准分类号】:65_080
【页数】:18P.;A4
【正文语种】:英语
【英文标准名称】:Pulps-Laboratorywetdisintegration-Disintegrationofchemicalpulps
【原文标准名称】:纸浆.实验室湿法分解.化学纸浆的分解
【标准号】:BSENISO5263-1-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2007-03-30
【实施或试行日期】:2007-03-30
【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】:化学的;定义;分解;分解特征;分解法;纤维;仪器;实验室测试;化学纤维;测量;方法;纸浆;半成品;试样制备;试验设备;测试;试验;湿法分解;湿态强度
【英文主题词】:
【摘要】:ThispartofISO5263specifiesanapparatusandtheprocedureforthelaboratory-wetdisintegrationofchemicalpulps.ThisapparatusandprocedurearerequiredforpreparationofthetestportioninanumberofotherInternationalStandardsdealingwithpulps.Inprinciple,thismethodisapplicabletoallkindofchemicalpulps,includingrecoveredfibres.Itisnotsuitableformechanicalpulpsandsomeverylong-fibredchemicalpulpssuchasthosefromcottonandsimilarmaterials.
【中国标准分类号】:Y31
【国际标准分类号】:85_040
【页数】:16P;A4
【正文语种】:英语
【英文标准名称】:SpecificationforSolventCementsforTransitionJointsbetweenAcrylonitrile-Butadiene-Styrene(ABS)andPoly(VinylChloride)(PVC)Non-PressurePipingComponents
【原文标准名称】:丙烯腈-丁二烯-苯乙烯共聚物和聚氯乙烯无压管道系统构件之间转换接头用液状粘固剂规范
【标准号】:ANSI/ASTMD3138-2004
【标准状态】:现行
【国别】:美国
【发布日期】:
【实施或试行日期】:2004-10-01
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料;聚氯乙烯;水泥;管;ABS
【英文主题词】:ABS;Acrylonitrilebutadienestyrene;Acrylonitrile-styrene;Adhesives;Cements;Chlorides;Components;Joints;Pipes;Piping;Plastics;Polyvinylchloride;Solvents;Vinylchloride
【摘要】:Thisspecificationprovidesgeneralrequirementsforsolventcementsusedinjoiningacrylonitrile-butadiene-styrene(ABS)plasticpipeorfittingstopoly(vinylchloride)(PVC)plasticpipeorfittings.ThesecementsareintendedforuseincementingtransitionjointsbetweenABSandPVCmaterialsinnon-pressureapplicationsonly(25psi(170kPa)orless).Note1ThisspecificationwasdevelopedtoprovideameansforjoininganABSnon-pressurepipingsystemusingasolvent-cementedtransitionjoint,forexample,joiningABSbuildingdraintoaPVCsewersystem.TheintentionwasnottocreateaspecificationforanallpurposeABS-PVCsolventcementthatwouldbeusedformixingofABSandPVCpipingmaterialsnortospecifyacementthatcouldgenerallybeusedforeithermaterial.SpecificcementsforABSorPVCcomponentsshouldbeused(see).SolventcementsusedforjoiningPVCpipeandfittingsarespecifiedinSpecificationD2564.SolventcementsusedforjoiningABSpipeandfittingsarespecifiedinSpecificationD2235.ArecommendedprocedureforjoiningABStoPVCpipeandfittingsfornon-pressureapplicationsisgivenintheappendix.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33;J15
【国际标准分类号】:83_180
【页数】:
【正文语种】:英语