Analytical instruments - VELP Scientifica
VELP Scientifica - Via Stazione, 16 - 20865 Usmate (MB) ITALY - Tel. +39 039 62 88 11 - Fax. +39 039 62 88 120
Analytical instruments - VELP Scientifica
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Dumas Nitrogen/Protein Analyzers

NDA is the innovative VELP Scientifica solution for nitrogen/protein determination according to the Dumas combustion method for testing both solid and liquid samples.

  • The most accurate & sensitive nitrogen & protein determination technique
  • Instantaneous results – no long delays
  • Environmentally friendly – no chemicals used, less residues & waste
  • Conformity with multiple standards protocols
    AOAC, ISO, AACC, AOCS, ASBC etc.

  • Dumas analysis method
    - Starts with a combustion stage to burn the sample. Obtains elemental compounds
    - Water is removed by a first physical trap (DriStep™), positioned after the combustion
    - Then by a second chemical trap
    - Between the two, the elemental substances pass through a reduction furnace
    - The auto-regenerative CO2 adsorbers let pass only the elemental nitrogen that is detected by the LoGas™ innovative Thermal Conductivity Detector (TCD) with no requirement for a reference gas

  • VELP also offers consumables to improve the performance of the analyzer

Products

Dumas Nitrogen Analyzer - NDA 701

A powerful Dumas Protein/Nitrogen Analyzer, able to perform precise nitrogen analysis and protein determination in a flash. It is the best solution for high productivity and offers unique benefits, being totally unsupervised.
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Dual Carrier Gas Dumas Nitrogen Analyzer - NDA 702

A versatile Dumas Protein/Nitrogen Analyzer, able to perform precise nitrogen analysis and protein determination using either Helium or Argon as carrier gas. Ideal for markets where Helium is scarce, it offers high throughput and precision.
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