You are using a version of Internet Explorer (version 8 and / or older) or the compatibility mode, which does not support some functionalities of the site you're viewing. This page can be displayed correctly you therefore may not. In order to use the full functionality of the site is a current Internet Explorer or another browser (eg: Google Chrome, Firefox) necessary.

Digestion reagents

WTW Digestion reagents

Digestion reagents for water analysis and electric plating to capture total nitrogen and heavy metals besides COD, total phosphorus

  • Comfortable with reagent presentation in round cuvettes
  • Cost-effective for up to 100 digestions in empty cuvettes
  • Quick preparation of digestion

Thermal digestions are required in water analysis for the total determination of materials as well as heavy metals. Ready-made reagent presentations for the digestion of nitrate for the determination of the total nitrogen as well as heavy metals contain all required reagents for thermal digestion. These ready-made cuvettes or the simple preparation in empty cuvettes with covers makes this process safe, easy and quick. Then, the prepared samples in 16 mm cuvettes are digested in the thermoreactor with selectable standard programs.

Ready-made test kits are available for the determination of COD, total nitrogen and total phosphorus, which already contain the digestion reagent and digested and measured in one and the same cuvette.


Model Description Order no.
Crack-SET 10-C 14688 Crackset heavy metal digestion, 25 cuvettes 252033
Crack-SET 10 14687 Crackset for heavy metal digestion (reagents for 100 digestions in 16 mm empty cuvettes) 250496
Crack-SET 20 14963 Crackset for nitrate digestion for the determination of total nitrogen (test kits 14563, 14542, 14733), (90 digestions in 16 mm empty cuvettes) 250497

Technical Data


Model Description Order no.
RK 14/25 25 round cuvettes empty (16 mm) 250621
KS 2-12 Acryl Cuvette stand, acrylic, 2 x 12 250579
KS 4x12 ES Cuvette stand, stainless steel, 4 x 12 250580


Are you interested
in signing up for the free
WTW newsletter?

WTW Newsletter Registration

Any Question?
We advise
you gladly!

WTW Contact