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美国CHEMetrics K-1510D型高浓度氨测试盒
价格:3990.00
美国CHEMetricsK-1510D型高浓度氨测试盒用于测试水中高浓度氨含量。例如:饮用水,清洁地表水,优质硝化废水,海水。规格参数:产品类型Ammonia—VACUettes®VisualHighRangeKit产品型号K-1510D测试范围0-30&30-300ppm测试目盛0,5,7.5,10,15,20,25,30&30,60,90,120,150,175,200,250,300ppm检测下限5ppm测试时间1分钟测试方法直接奈瑟琳化方法测试次数30次/盒标准配置1盒填充盒、1个低浓度氨比色筒、1个高浓度氨比色板、1个稀释鲷鱼杯、1个样品杯帽、1个微测试管、1份说明书产品价格咨询上海益朗仪器有限公司VACUettes®是美国CHEMetrics的专利(专利号:4,537,747&4,596,780)。美国CHEMetrics氨测试盒VisualKits测试范围MDL测试方法测试盒货号填充盒货号0-4&0-80ppm0.125ppmHydroxybenzylAlcohol(HBA)K-1420R-14020-125&0-2500ppm8ppmHydroxybenzylAlcohol(HBA)K-1420DR-1402D0-500&0-10000ppm30ppmHydroxybenzylAlcohol(HBA)K-1420BR-1402B0-1&1-10ppm0.05ppm直接奈瑟琳化方法K-1510R-15010-30&30-300ppm5ppm直接奈瑟琳化方法K-1510DR-1501D0-60&60-600ppm10ppm直接奈瑟琳化方法K-1510AR-1501A0-120&120-1200ppm20ppm直接奈瑟琳化方法K-1510BR-1501B0-1000&1000-10,000ppm100ppm直接奈瑟琳化方法K-1510CR-1501CInstrumentalKits测试范围测试方法测试包目录0-3.00&0-60.0ppmHydroxybenzylAlcohol(HBA)K-14130-7.00ppm直接奈瑟琳化方法K-15030-14.0ppm直接奈瑟琳化方法K-1523MethodsLow-levelammonianitrogenmaybenaturallypresentinwaterasaresultofthebiologicaldecayofplantandanimalmatter.Higherconcentrati***insurfacewaterscanindicatecontaminationfromwastetreatmentfacilities,rawsewage,industrialeffluents(particularlyfrompetroleumrefineries),orfertilizerrunoff.Excessiveammoniaconcentrati***aretoxictoaquaticlife.TheDirectNesslerizationMethodReference:ASTMD1426-08,AmmoniaNitrogeninWater,TestMethodA.APHAStandardMethods,18thed.,Method4500-NH3C–1988.Thetestkitsemployingthewell-establishedNesslerreagent*todetermineammoniaconcentrati***areapplicabletodrinkingwater,cleansurfacewater,good-qualitynitrifiedwastewatereffluent,andseawater.Insomewaters,calciumandmagnesiumconcentrati***cancausecloudinessofthereagent.Addingafewdropsofstabilizersolution(RochelleSalt)willpreventthiscloudiness.Referencesrecommenddistillingsamplespriortoanalysis.Resultsareexpressedasppm(mg/L)ammonia-nitrogen,NH3-N.Shelf-life:althoughtheNesslerreagentisstable,itshighalkalicontentattackstheglassampoule.Theresultingprecipitateinterfereswithcolorcomparison.WerecommendstockingquantitiesofCHEMets®andVACUettes®ampoulesthatwillbeusedwithinfivemonths.Atwo-monthsupplyofVacu-vialsampoulesissuggested.Refrigerationwilldramaticallyextendtheshelf-lifeoftheseproducts.*Containsmercury.Dis***eaccordingtolocal,stateorfederallaws.TheHydroxybenzylAlcohol(HBA)MethodReferences:Krom,MichaelD.,SpectrophotometricDeterminationofAmmonia:AStudyofaModifiedBerthelotReductionUsingSalicylateandDichloroisocyanurate,TheAnalyst,V105,pp.305-316,1980.IntheammoniatestmethodthatemploystheHydroxybenzylAlcoholchemistry,freeammoniareactswithhypochloritetoformmonochloramine.MonochloraminereactswithHBA,inthepresenceofsodiumnitroferricyanide,toformagreencoloredcomplex.Thistestmethodmeasuresthesumoffreeammoniaandmonochloramine.Resultsareexpressedinppm(mg/L)ammonia-nitrogen,NH3-N.TheHydroxybenzylAlcoholMethodofferssensitivitysimilartotheNesslerizationMethodandthereisnogenerationofmercury-containingwaste.)