本厂本着 以质量为根本,以市场求发展,团结拼搏,求实创新 的经营理念,采用先进适用的技术、科学规范的管理,热情周到的服务来赢得广大客户的满意,敬业和精业是我们的座右铭,竭诚欢迎海内外宾客前来洽谈合作! TOCAnalyzer TheModel1020ATOCAnalyzersanautomatedsystemforthedirectanalysisofaqueoussamplesfortotalcarbon[TC],totalinorganiccarbon[NPOC],totalorganiccarbon[TOC],nonporousableorganiccarbon[MPOC],andpermeableorganiccarbon[POC].Thesampleloopintroductionsystemallowsrepeatableanalysisoverawiderangeofconcentrations.UnlikeotherTOCanalyzers,theModel1020AusesasinglecalibrationcurvetoaccuratelymeasureTOCconcentrationsoveraverywiderange. TheModel1020AProvenCombustionTechnologyisspeciallydesignedfortheanalysisofsamplescontouringupto10,000ppmC.Combustiontemperaturesareadjustablefrom200℃~800℃foranalysisat800℃inaquartzreactionchamberwithoutrequiringcatalystoroptionalcombustionat C.Inthepresenceorruggedplatinumcatalystforsampleswithhighersalinecontent. Thehighoxidationefficiency,coupledwiththeSelectivityofthecondispersive,infrared[NOIR]detector,makestheModel1020AthecombustionanalyzerofchoiceforhighconcentrationTOCanalysis. Principleofoperation:Whencarboncompoundsarecombustedinanoxygen-rich environmentthecompleteconversionofcarbontocarbondioxide[CO2]results.TCisdeterminedwhentheNDIRdetectordetectstheresultingCO2.TICisdeterminedbymeasuringtheCO2releasedfollowingsampleacidflotation.Asthesamplepuffislowered,carbonateandbicarbonateionsareconvertedtodissolvedCO2,whichispurgedfromsolutionandsweptintoanNOIR.TheNOIRiscalibratedtodisplaythemassofCO2detected.TOCisdeterminedbyperformingseparateTCandTICanalysisandsubtractingtheresults.NPOCisdeterminedbypreacidlfyingandprepurgingthesampletoremovetheTICandPOC.OnceaTCanalysisisperformedonthesample,thisyieldsNPOCPOCosdeterminedbyconcentratingandtrappingpurgeableorganics,thendesertingthepureableorganicstothe-combustingfurnace.ThefurnaceconvertstheorganicstoCO2whichisdetectedbytheNOIR. 自动台式生物耗氧量快速测定仪(带微生物电极) 导言及微生物电色测量法的原理,请阅C1-BOD-2100型生物耗氧量快速测定仪的产品介绍 特点: 独立的试样泵及缓冲液泵将BOD测量范围扩大至1000mg/L在一般操作下BOD测量可在30分钟内完成,提高进样和清洗的转换速率,可使BOD的估算短短5分钟内完成。BOD传感器可保持在 休眠状态 ,这样可随时准备操作在晚上或假期内,BOD测量下进行,进入传感器的标准深液减少,在这种状态下,试剂的消耗量仅为政党情况的一半而传感器灵敏度不变。新的加热及致冷热元件保证了BOD测量的稳定性。传感器的试样部件装有自动取样器,在完成BOD测定的后漂洗除去样品残余量。同时,防止对读数产生不利影响。液晶显示器可以显示校正曲线及趋向曲线。微生物膜更换警告,中断测量方式,RS-232,标准液耗氧量率显示及其它传感器内在功能。BOD测量进行后,传感器排出使用过的BOD标准液及磷酸盐缓冲液,二者均无毒。因此,此传感器很安全,且对环境无害。