Tender Document - Pollution Control Board, Assam

Item Code No.: 20TKN Digestion and Distillation UnitSpecification:Speed Digester:Digestion system for 6sample tubes with• Adjustable IR-heating.• Tight suction module to prevent the escape of sulphuric acid vapors duringdigestion.• Robust design with stand-alone tube holder made from stainless steel.Complete and ready–to-use system supplied with the following:• The insulation plate as well as the optimal designed heating chamberguarantees that the sample tubes are heated with optimal thermalhomogeneity.• Sample tubes 300ml (diameter 48 mm), 100mL or 500 mL with constrictedcondensation zone. Glass thickness for sample tubes atleast 2.2mm.• Stand alone rack.• Operating voltage 110-120V ± 10% / 220-240 V ± 10%• Frequency 50/60Hz• Power consumption 2000 W• Temperature range 70-580 °CDistillation Unit:Steam distillation unit for nitrogen and protein determination. Featuring a highperformance steam generator for efficient steam distillation, with glass splashprotector or plastic splash protector for visual control of the distillation process. Asafety switch interrupts power supply when opening the service door. Additionalsensors monitor the protective shield and check if a sample tube is present beforeallowing to start a distillation.• Cooling water control.• Alkali addition• Recall of last dosage.• Classical nitrogen and protein determination in accordance with officialmethods (AOAC, EPA, ISO & DIN).• Kjeldahi nitrogen and protein determination.• Devarda and protein determination.• TKN (Total Kjeldahi Nitrogen).• Recovery Rate > 99.5%• RSD < 1%• Detection limit 0.1% Nitrogen.30