kjeldahl method News

  • ASTM E147 - 61(2011) Standard Specification for Apparatus for Microdetermination of Nitrogen by Kjeldahl Method

    This specification covers the design and dimensional requirements for the digestion and distillation apparatus used for the microdetermination of nitrogen by the Kjeldahl method, and modifications thereof at atmospheric pressure. This apparatus is comprised primarily of digestion flasks, micro Kjeldahl digestion rack, one-piece model distillation apparatus, and Pregl (Parnas-Wagner) ...


    By ASTM International

  • BUCHI DuMaster D-480 – Profit even more

    You cope with high sample loads for QC and declaration purposes with little changes in the sample matrices. Our solution «Protein Determination Dumas» offers sample throughput of up to 300 samples per day, overnight operation without supervision and an easy-to-use operation concept. Costs cutting per analysis combined with simple maintenance Cost effective thanks ...


    By BÜCHI Labortechnik AG

  • SEAL Analytical expands US manufacture

    The laboratory instrument manufacturer SEAL Analytical has transferred the production of its market leading automated discrete analyzers, the AQ1 and AQ2, to the company’s facility in Mequon, USA. The move follows the acquisition of a block digestion business from Aim Lab Automation Technologies Pty Ltd. SEAL’s President Stuart Smith said: “Digestion is an essential part of the ...


    By SEAL Analytical, Inc.

  • University strengthens research lab with discrete analyzer

    Lake Superior State University (USA) recently purchased a SEAL AQ1 discrete analyzer for its Environmental Analysis Laboratory (EAL). This advanced instrument was purchased to analyze local, regional and national water quality samples. However, it also fulfils an important role providing the University’s students with practical experience; working with an analyzer that is employed in ...


    By SEAL Analytical, Inc.

  • Environmental Express Introduces HotBlock TKN Systemens to Perform Digestions Automatically

    With the new HotBlock® TKN Systems from Environmental Express, the struggle to perform TKN (Total Kjeldahl Nitrogen) digestion is over. Temperature, ramp rate, and hold times are easily programmed. Up to 20 steps can be set up automatically for each digestion ...

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