HomeKnowledgeApplicationsTKN determination in water using 500 mL sample tubesComparison of different Kjeldahl tablets for the determination of TKN in water using 500 mL sample tubes Register for download First name Last name Company/University Industry - Select -AcademiaChemicalFeedFood & BeveragePharmaTesting Phone number Email Country Country - Select -AfghanistanAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua & BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBosnia & HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBritish Virgin IslandsBruneiBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCaribbean NetherlandsCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling) IslandsColombiaComorosCongo - BrazzavilleCongo - KinshasaCook IslandsCosta RicaCroatiaCubaCuraçaoCyprusCzechiaCôte d’IvoireDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEswatiniEthiopiaFalkland IslandsFaroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuamGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard & McDonald IslandsHondurasHong Kong SAR ChinaHungaryIcelandIndiaIndonesiaIranIraqIrelandIsle of ManIsraelItalyJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKuwaitKyrgyzstanLaosLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacao SAR ChinaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMicronesiaMoldovaMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmar (Burma)NamibiaNauruNepalNetherlandsNetherlands AntillesNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorthern Mariana IslandsNorth KoreaNorth MacedoniaNorwayOmanPakistanPalauPalestinian TerritoriesPanamaPapua New GuineaParaguayPeruPhilippinesPitcairn IslandsPolandPortugalPuerto RicoQatarRomaniaRussiaRwandaRéunionSamoaSan MarinoSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSint MaartenSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia & South Sandwich IslandsSouth KoreaSouth SudanSpainSri LankaSt. BarthélemySt. HelenaSt. Kitts & NevisSt. LuciaSt. MartinSt. Pierre & MiquelonSt. Vincent & GrenadinesSudanSurinameSvalbard & Jan MayenSwedenSwitzerlandSyriaSão Tomé & PríncipeTaiwanTajikistanTanzaniaThailandTimor-LesteTogoTokelauTongaTrinidad & TobagoTunisiaTurkeyTurkmenistanTurks & Caicos IslandsTuvaluU.S. Outlying IslandsU.S. Virgin IslandsUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUruguayUzbekistanVanuatuVatican CityVenezuelaVietnamWallis & FutunaWestern SaharaYemenZambiaZimbabweÅland Islands We would like to send you other relevant information in the future e.g. application notes, guidebooks, webinar and seminar invites, which might be of interest to you. Therefore, we would like to request your consent to stay in touch. You can find out about your rights and how we use and process your personal information in our Privacy Policy. I confirm that I have read and agree to the Privacy Policy of www.buchi.com. I allow www.buchi.com to send me marketing materials. Related InstrumentsKjelMaster K-375 & KjelSampler K-376 / K-377Perform potentiometric and colorimetric titrations with the KjelMaster K-375 and a free choice of methods at perfect usability. Gain high throughput, more automation and sophisticated data management for convenient nitrogen and protein analysis.SpeedDigester K-425 / K-436 / K-439Set new standards for digestion speed, flexible use and result reproducibility with the IR SpeedDigester. Achieve higher sample throughput for nitrogen determination by Kjeldahl digestion and multiply functionality with this entry level IR digester. Similar ApplicationsSelective nitrogen determination methods related to KjeldahlKjelMaster System K-375 / K-376, KjelDigester K-449, Scrubber K-415Nitrogen determination in lubricating oilsNitrogen determination in lubricating oils according to the Kjeldahl methodAmmonia determination in hair dyeKjelMaster K-375 and KjelSampler K-376: ammonia determination in hair dye with direct distillationNitrogen Determination in PharmaceuticalsNitrogen Determination in Pharmaceuticals according to the Kjeldahl Method (semi-micro)Nitrogen and Protein Determination in Juice and LassiNitrogen and Protein Determination in Juice and Lassi according to the Kjeldahl MethodNitrogen and protein determination in milk powder (Kjeldahl)Nitrogen and protein determination in milk powder according to the Kjeldahl method by colorimetric titrationAccelerated nitrogen and protein determination in dry pet foodAccelerated Nitrogen and Protein Determination in dry Pet food with Kjeldahl Tablets and Hydrogen PeroxideAccelerated nitrogen and protein determination in milk powderAccelerated Nitrogen and protein determination in milk powder with Kjeldahl tablets and hydrogen peroxideNitrogen and protein determination in nutsNitrogen and protein determination in nuts according to the Kjeldahl methodKjeldahl Proficiency GuideOver 50 years of experience in developing Kjeldahl instrumentation and applications are summarized in this Guide. The aim of it is to share the BUCHI expertise in regard to the nitrogen and protein determination according to the Kjeldahl method.