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Photometer reagent sets

Potassium K Z450

Product code: 8450
Set of reagents for determining the content of potassium in fresh water.

  • Each set of reagents is equipped with all necessary accessories (syringes, vials or spatulas)

  • For more information see the List of method procedures

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Set of reagents for determining the content of potassium in fresh water in the range of:

  • high range – 10 to 150 mg/l with a resolution of 0,5 mg/l
  • low range – 2 to 20 mg/l with a resolution of 0,1 mg/l

Inside the set:

  • powder Reagent K
  • spatula
  • 1 ml syringe

The reagent set is sufficient to perform approximately 25 tests.
Measurement procedure: Method Z450H – high range / Z450L – low range.

NOTE: to perform a measurement for high range (method Z450H), it is required to have also
deionized water (product code 8903/100 ml bottle or 8905/1000 ml bottle) available as a separate product.

Documents to download:

Video instruction:

Z450H – Potassium K high range


Z450L – Potassium K low range

Weight 0,063 kg
Dimensions 6,5 × 9,0 × 8,0 cm

Potassium K high range, Potassium K low range


610 nm

Photometer type:

Exaqua PRO 3 / PRO 6

For use with (application):

fresh water

Licence type:

Zoolek basic methods


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