美国CHEMetricsK-1420B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-1420B测试范围0-500&0-10,000ppm测试目盛0,30,60,100,150,225,300,400,500&0,600,1200,2000,3000,4500,6000,8000,10,000ppm检测下限30ppm测试时间6分钟测试方法HydroxybenzylAlcohol(HBA)测试次数30次/盒标准配置1盒填充盒、1个比色板、1瓶稳定剂溶液、1瓶催化剂溶液、1瓶活化剂溶液、1个25mL样品杯、1支3mL移液器、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.)