Hanna-instruments HI 83225 Bedienungsanleitung PDF herunterladen (Seite 22)

• Replace the cap and shake gently for at least 2 minutes.

• Open the upper part of the Demineralizer Bottle cap and gently squirt

the demineralized water into the cylinder, up to the 100 mL mark.

Note: The ion exchange resin contained in the Demineralizer Bottle is

provided with an indicator substance. The indicator will change from

green to blue when the resin has been exhausted and needs to be

replaced.

• Pour the solution in the large 170 mL beaker, replace the cap and

invert several times to mix.

• If the solution contains some turbidity or color, add a powder packet of active carbon and follow the

procedure described for Irrigation Water (LR).

NUTRIENTS SOLUTION (HR):

• Add 10 mL of sample to the graduated cylinder using the 5 mL syringe

(twice).

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Hanna-instruments HI 83225 Bedienungsanleitung Seite 22