eutech-instruments cyanide epoxy User Manual

Cyanide Electrode

Instruction Manual

TROUBLESHOOTING HINTS

Symptom Possible Causes

Next Step

Out of Range defective meter

check meter with shorting

Reading

strap (see meter

instruction manual)

defective electrode

check electrode operation

electrodes not

unplug electrodes and reset

plugged in properly

reference electrode

be sure reference electrode

not filled

is filled

air bubble on membrane

remove bubble by

re-dipping electrode

electrodes not in solution

put electrodes in solution

Noisy or Unstable defective meter

check meter with shorting

Readings (readings

strap

continuously or
rapidly changing) air bubble on membrane

remove bubble by

re-dipping electrode

electrode exposed

soak electrode in

to interferences

cyanide standard

ISA not used

use recommended ISA

meter or stirrer not

ground meter or stirrer

grounded

defective electrode

replace electrode

Drift (reading

samples and standards

allow solutions to come to

slowly changing at different

room temperature before

in one direction) temperatures

measurement

electrode exposed

check section entitled

to complexing agents

Complexation

incorrect reference

use recommended

filling solution