eutech-instruments bromide epoxy User Manual

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Instruction Manual 
 
Bromide Electrode 
 
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