Analytical instruments - VELP Scientifica
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Analytical instruments - VELP Scientifica
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Consumables for Kjeldahl Analyzers
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Consumables for Kjeldahl Analyzers

A wide range of consumables designed for accurate and reliable Kjeldahl analysis.

VELP Scientifica

Genuine Catalyst tablets KjTabs™, Vreceiver™ Boric Acid powder formula with indicators and Nitrogen-free Weighing Boats for reliable Kjeldahl analysis

The addition of a suitable catalyst, along with high temperature, have influence on the speed and the efficiency of the mineralization in Kjeldahl analysis.

Achieving the highest level of performance in a wide range of Kjeldahl applications is now possible with VELP Scientifica genuine KjTabs™ catalyst and antifoaming tablets.

VELP Scientifica Weighing Boats are the perfect solution to all the difficult transfer operations of powders or syrupy samples into mineralization test tubes.

During the Kjeldahl distillation process, the ammonia content is condensed and collected in a boric acid solution to avoid loss of gaseous NH3. VELP unique Vreceiver™ is a certified formula composed of Boric Acid powder and a mixture of indicators mentioned by AOAC methods (Bromocresol green and Methyl red) allowing fast and standardized receiving solution preparation for colorimetric titration.

KjTabs™ for Digestion Units

  • VELP catalyst tablets speed up the digestion
  • Easy to use for all kind of Kjeldahl Digesters
  • Wide choice of catalyst for the majority of samples
  • Effective foam reduction tablets
  • Environmentally friendly
  • 7 different types of pre-dosed tablets

Nitrogen-Free Weighing Boats

  • Simplify the insertion of the sample in the test tubes
  • Designed to ensure accurate organic nitrogen determination
  • Ensure no alteration of the results when digested with the sample

Vreceiver™ for colorimetric titration

  • Pre-dosed boric acid powder sealed bags with indicators
  • For accurate Total Kjeldahl Nitrogen determination (TKN)
  • Easy to use for the preparation of 1 L TKN receiver solution
  • Ready to use in a few minutes
  • Ensures precise and efficient titration
  • Environmentally friendly
  • High stability and long Shelf Life
  • Innovative and convenient packaging

Product Code

  Description Power Supply Code
KjTabs VCM - 1000 pcs/box - A00000274

1000 pcs/box

VCM - 3,5g K2SO4 + 0,1g CuSO4 x 5H2O

KjTabs VKPC - 1000 pcs/box - A00000275

1000 pcs/box

VKPC - 4,5g K2SO4 + 0,5g CuSO4 x 5 H2O

KjTabs VCT - 1000 pcs/box - A00000276

1000 pcs/box

VCT - 5g K2SO4 + 0,15g CuSO4 x 5 H2O + 0,15g TiO2

KjTabs VST - 1000 pcs/box - A00000277

1000 pcs/box

VST - 3,5g K2SO4 + 3,5mg Se

KjTabs VTCT - 1000 pcs/box - A00000281

1000 pcs/box

VTCT - 3,5g K2SO4 + 0,105g CuSO4 x 5 H2O + 0,105g TiO2

KjTabs VW - 1000 pcs/box - A00000282

1000 pcs/box

VW - 4,875 g Na2SO4 + 0,075 g CuSO4 x 5 H2O + 0,050 g Se

KjTabs VS Antifoam - 1000 pcs/box - A00000283

1000 pcs/box

VS Antifoam - 0,97 g Na2SO4 + 0,03g Silicone

Vreceiver TKN formula for 1L sol., 40g - A00000316
Nitrogen-free weighing boats 58x10x10 mm, 100 pcs - CM0486000
Nitrogen-free weighing boats 70x23x15 mm, 100 pcs - CM0486001
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