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UDK 159 Automatic Kjeldahl Analyzer

UDK 159 Automatic Kjeldahl Analyzer

VELP Scientifica | Distillation Units

Fully automatic Kjeldahl Analyzer (distillation unit with integrated colorimetric titrator), for determination of ammoniacal nitrogen, protein determination, nitrogen content (Kjeldahl or direct alkaline distillation), nitric nitrogen (after reduction/Devarda), phenols, volatile acids, cyanides and alcohol content.

UDK 159 combines distillation with analysis.

Automated Operation

  • Programmable boric acid, water, sodium hydroxide addition
  • Not necessary to set distillation time when titrating
  • Incorporates an AOAC recommended colorimetric titrator
  • Selectable steam generation output level 10% – 100%
  • Auto removal of residues from titrator & sample tube

TECHNICAL DATA

STRUCTURE Corrosion-resistant technopolymer
DISPLAY 7" color touch screen
TITRATION GRAPH Yes
ANALYSIS TIME From 4 minutes (including titration)
MEASURING RANGE 0.04 - 220 mg N
REPRODUCIBILITY (RSD) ≤ 1 %
RECOVERY ≥ 99.5 %
DETECTION LIMIT (LOD) > 0.015 mg N
SODIUM HYDROXIDE ADDITION Automatic
WATER ADDITION Automatic
BORIC ACID ADDITION Automatic
DISTILLATION RESIDUES REMOVAL Automatic
TITRATION RESIDUES REMOVAL Automatic
TITRATION VESSEL CLEANING Automatic
STEAM FLOW REGULATION 10 - 100 %
DELAY TIME (DEVARDA ALLOY ANALYSIS) 00 sec - 99 min 59 sec

DownloadThe Kjeldahl Method

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