Thermo Fisher Scientific Ion Selective Electrodes Bromide User Manual
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Instruction Manual
Bromide Electrode
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TABLE OF CONTENTS
GENERAL INSTRUCTIONS .......................................................................................................... 1
Introduction.................................................................................................................................................3
Required Solutions......................................................................................................................................3
GENERAL PREPARATION............................................................................................................ 4
Electrode Preparation..................................................................................................................................4
Electrode Slope Check (with a pH/mV meter) ...........................................................................................4
Electrode Slope Check (with an ion meter) ................................................................................................4
MEASUREMENT.............................................................................................................................. 5
Measuring Hints..........................................................................................................................................5
Sample Requirements .................................................................................................................................5
Units of Measurement.................................................................................................................................6
MEASUREMENT PROCEDURE ................................................................................................... 6
Direct Measurement....................................................................................................................................6
Direct Measurement of Bromide (using a pH/mV meter) ..........................................................................6
Direct Measurement of Bromide (using an ion meter) ...............................................................................7
Low Level Bromide Determinations (using a pH/mV meter) ....................................................................8
ELECTRODE CHARACTERISTICS............................................................................................. 9
Reproducibility ...........................................................................................................................................9
Interferences .............................................................................................................................................10
Complexation............................................................................................................................................11
Temperature Influences ............................................................................................................................11
Electrode Response...................................................................................................................................12
Limits of Detection ...................................................................................................................................13
pH Effects .................................................................................................................................................13
Electrode Life ...........................................................................................................................................13
Electrode Storage......................................................................................................................................13
ELECTRODE THEORY ................................................................................................................ 13
Electrode Operation ..................................................................................................................................13
TROUBLESHOOTING GUIDE .................................................................................................... 15
Meter.........................................................................................................................................................15
Glass-ware ................................................................................................................................................15
Electrodes .................................................................................................................................................15
Standards and Reagents ............................................................................................................................15
Sample ......................................................................................................................................................15
Technique .................................................................................................................................................16
TROUBLESHOOTING HINTS..................................................................................................... 17
SPECIFICATIONS.......................................................................................................................... 19
ORDERING INFORMATION....................................................................................................... 19