美国CHEMetrics K-2050型氯化物滴定测试盒
价格:1.00
美国CHEMetricsK-2050型氯化物滴定测试盒用于测试水中氯化物含量。例如:饮用水,地表水,海水,家庭和工业废水。规格参数:产品类型Chloride—Titrets®TitrationCells产品型号K-2050测试范围50-500ppm测试目盛50,55,60,65,70,75,80,90,100,125,150,175,200,250,350,500ppm检测下限50ppm测试方法MercuricNitrate测试次数30次/盒标准配置30支安瓿瓶组件、1瓶催化剂溶液、1个Titrettor™工具、1个25mL样品杯、1份说明书产品价格咨询上海益朗仪器有限公司Titrets®是美国CHEMetrics的专利(专利号:4,332,769)。美国CHEMetrics氯化物测试盒VisualKits测试范围MDL测试方法测试盒货号20-200ppm20ppmMercuricNitrateK-202050-500ppm50ppmMercuricNitrateK-2050250-2500ppm250ppmMercuricNitrateK-20511000-10000ppm1000ppmMercuricNitrateK-205510000-100000ppm10000ppmMercuricNitrateK-2070InstrumentalKits测试范围测试方法测试盒目录0-40.0ppmMercuricNitrateK-2103MethodsChlorideisthemostcommoninorganicanionfoundinwaterandwastewater.TheMaximumSecondaryContaminantLevelfordrinkingwaterforchlorideis250mg/L.Naturalsourcesofsaltaretheoceanandvarioussaltdepositsaboveandbelowground.Chlorideisverycorrosivetomostmetalsinsystemswithelevatedpressuresandtemperaturessuchasboilersandoil-drillingequipment.TheMercuricNitrateMethodReferences:APHAStandardMethods,23rded.,Method4500-Cl-C-1997.ASTMD512-04,ChlorideIoninWater,TestMethodA.USEPAMethodsforChemicalAnalysisofWaterandWastes,Method325.3(1983).CHEMetricsemploysamercuricnitratetitrantinacidsolutionwithdiphenylcarbazoneastheendpointindicator.Resultsareexpressedasppm(mg/L)Cl-.TheFerricThiocyanateMethodReference:APHAStandardMethods,23rded.,4500-Cl-E-1997.D.Zall,D.Fisher,M.Garner,“PhotometricDeterminationofChloridesinWater,”AnalyticalChemistry,Vol28,No.11,pp.1665-1668,November1956.J.O’Brien,“AutomaticAnalysisofChloridesinSewage,“WastesEngineering,pp.670-672,December1962.TheChlorideVacu-vials®testemploystheferricthiocyanatechemistry.Chloridereactswithmercuricthiocyanatetoliberatethiocyanateion.Ferricionreactswiththiocyanateiontoproduceanorange-brownthiocyanatecomplexinproportiontothechlorideconcentration.Resultsareexpressedasppm(mg/L)Cl-.*Containsmercury.Disposeaccordingtolocal,stateorfederallaws.)
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