Thermo Fisher Scientific Ion Selective Electrodes Chloride - Manual (Page 3)

Instruction Manual Chloride Electrode
GENERAL INSTRUCTIONS .......................................................................................................... 4
Introduction ..............................................................................................................................................4
Required Equipment.................................................................................................................................4
Required Solutions ...................................................................................................................................4
GENERAL PREPARATION............................................................................................................ 5
Electrode Preparation ...............................................................................................................................5
Electrode Slope Check (with pH/mV meter) ...........................................................................................5
Electrode Slope Check (with ion meter) ..................................................................................................6
MEASUREMENT.............................................................................................................................. 6
Measuring Hints .......................................................................................................................................6
Sample Requirements...............................................................................................................................7
Units of Measurement ..............................................................................................................................7
MEASUREMENT PROCEDURE ................................................................................................... 7
Direct Measurement .................................................................................................................................7
Direct Measurement of Chloride (using a pH/mV meter)........................................................................7
Direct Measurement of Chloride (using a ion meter)...............................................................................9
Low Level Chloride Determination (using a pH/mV meter) .................................................................10
Low Level Chloride Determination (using an ion meter) ......................................................................11
ELECTRODE CHARACTERISTICS........................................................................................... 11
Reproducibility.......................................................................................................................................11
Interferences...........................................................................................................................................11
Removal of Various Interferences with CISA .......................................................................................12
Complexation .........................................................................................................................................12
Temperature Influences..........................................................................................................................13
Electrode Response ................................................................................................................................13
Limits of Detection ................................................................................................................................15
pH Effects ..............................................................................................................................................15
Electrode Life.........................................................................................................................................15
Electrode Storage ...................................................................................................................................15
ELECTRODE THEORY ................................................................................................................ 16
Electrode Operation ...............................................................................................................................16
TROUBLESHOOTING GUIDE .................................................................................................... 17
Meter ......................................................................................................................................................17
Glassware ...............................................................................................................................................17
Electrodes...............................................................................................................................................17
Standards and Reagents..........................................................................................................................18
Sample....................................................................................................................................................18
Technique...............................................................................................................................................18
TROUBLESHOOTING HINTS..................................................................................................... 19
SPECIFICATIONS.......................................................................................................................... 21
ORDERING INFORMATION....................................................................................................... 21
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