eutech-instruments chloride epoxy Manuel D’Utilisation

Instruction Manual

Chloride Electrode

TABLE OF CONTENTS

GENERAL INSTRUCTIONS .......................................................................................................... 3

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