Response times, Interferences – Xylem ISE Electrodes Cl 60 Benutzerhandbuch

Seite 14

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Response times

The response time depends on the concentration range.

It is:

•

several seconds with high concentrations,

•

several minutes near the detection limit.

The measured value is stable if the value does not

change by more than 0.1 mV within 30 seconds.

Interferences

• Complexes with Bi

3+

, Cd

2+

, Mn

2+

, Pb

2+

, Sn

2+

, Tl

3+

• Reducing agents

• Interfering ions: 10 % error with the following ratios of

concentration: (Ratio of concentration = Interfering ion

/ Measuring ion)

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