Reagants and indicators


Reagents and indicators for performing nutrient analysis in the field

As a supplement to the soil kit, a variety of VISOCOLOR® reagents or indicators (see page 19) can be used to carry out simple soil analysis in the field. Contact us for more information concerning these additional possibilities for analysis. There are a variety of methods available to suit your individual requirements and required level of precision.

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Non bleeding pH indicator strips for taking quick and easy measurements in soil solutions and wat..
  Nitrate 10 to 500 mg/l  Nitrite 1 to 80 mg/l,  100 tests ..
Nitrate 10 to 500 mg/l, 100 tests  ..
Phosphorus colour screen ..
  Potassium Indicator Strips with reagent 100 tests ..
Pyrophosphate solution  ..
Visocolour reagents kit Eco potassium in soil ..
Visocolour reagents kit HE ammonium  in soil 0.5 to 15 mg/l ..
  Visocolour reagents kit HE phosphorous in soil ..