Products & ReviewGeneral Lab

SpeedDigester K-439

BUCHIAvailable: Worldwide

Innovative combination of IR and block digestion for Kjeldahl sample preparation

BUCHI

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Description

The SpeedDigester K-439 combines the benefits of infrared (IR) and block digestion into one instrument.

  • Quick heat transfer from infrared heaters to samples
  • Substential time savings thanks to fast heating and cooling steps
  • Higher sample throughput granted by shorter processing times
  • Faster digestion with continuous addition of H2O2
  • Convenient combination of both Kjeldahl and reflux digestion in one device
  • Compatible with all Büchi sample tubes
  • Fully compliant sample tubes
  • Suitable for aqueous samples thanks to optional suction module
  • Precise temperature control according to the programmed profile settings
  • Storage of up to 50 method profiles with time and temperature parameters
  • Graphical display of digestion process
  • Outstanding thermal homogeneity thanks to innovative insulation plate

Application NoteGeneral Lab

Kjeldahl Proficiency Guide

The Kjeldahl Proficiency Guide from BUCHI aims to help you understand the chemical basis for various nitrogen determination processes and to carry them out. The deeper understanding of the procedure will help laboratory personnel, laboratory supervisors, students and teachers to optimize the individual method and increase the reliability of the results.


Application NoteFood and Beverage

Guidebook to proximate analysis

A method for the quantitative analysis of the different macronutrients in food stuff is called proximate analysis. Nutritional analysis began in 1861 and since then it has have been continuously developed, modified and improved. The analysis uses combination of techniques to determine protein, fat, moisture, ash and carbohydrates that are well documented due to the need for legal declaration requirements.



Application NoteFood and Beverage

Tips & tricks from BUCHI experts

Bring your instruments up to full performance with tips and recommendations from practical experience. These tips & tricks can make your daily lab work easier, safer and more sustainable.


Application NoteFood and Beverage

Food process analytics guidebook

In this application note is a view of modern food and beverage analysis methods, with a focus on incoming goods inspections and how the ‘time factor’ plays an important role. The guidebook shows you the process of incoming goods inspections and selected methods for dealing with them.

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