Hanna-instruments HI 4002 Manuel d'utilisateur télécharger pdf (Page 12)

Procedure

1) Follow sections VIII and IX to prepare sensors for

measurement.

2) Follow section VI to prepare standards/ solution. Stan-

dards should bracket and fall within the range of

interest.

Two mL HI 4000-00 ISA, is added to 100 mL of both

samples and standards Add stir bar and mix before

taking measurements.

3) Follow section VII; General Guidelines to optimize test

set-up.

4) During calibration it is best to start with lower concen-

tration samples first. Wait for a stable measurement

before recording values. Slightly longer equilibra-

tions are required at lower concentrations .

5) To prevent carry over and contamination of samples,

rinse sensors with DIW and dap dry between samples.

Typical Linearity for HI 4002 and HI 4102 Bromide

sensors

-150

-100

-50

100

150

200

01234567

-Log of Molar Concentration

1 2 ... 7 8 9 10 11 12 13 14 15 16

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Hanna-instruments HI 4002 Manuel d'utilisateur Page 12