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Ionode IJ-F Fluoride User Manual

Ij- f, Intermediate junction series, Operators manual

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Warranty

IJ electrodes have a warranty of 12 months from date of purchase.

Any electrode found to be faulty due to manufacture within

this time will be replaced.

Ionode reserves the right to limit or modify product warranty

if it is deemed that the electrode has been used in unsuitable

applications. Electrodes with broken stems, connectors or

cables are not covered by warranty.

Electrode life may be reduced in chemically aggressive or

abrasive samples and at high temperatures.

Visit ionode.com for more details.

User maintenance and troubleshooting

IJ-

F

FLUORIDE

ION SELECTIVE

ELECTRODE

Symptom Possible cause

Remedy

Drift

Junction blocked Remove and clean sleeve

Membrane unclean

or contaminated

Remove sleeve. Gently

polish membrane with

fine polishing agent

Noisy

Poor connection

to meter

Check connection

Junction not

immersed fully

Lower electrode into

solution below junction

Insufficient

electrolyte or

bubble

Refill electrolyte

Inaccurate

readings

or poor

reproduc-

ibility

Contaminated

standard(s)

Make up fresh calibration

standards and recalibrate

Drift since last

calibration

Recalibrate using freshly

prepared standards

Improperly made

standards

Recalibrate using freshly

made standards

Temperature

differences between

calibration and

sample

measurement

Ensure calibration and

sample measurements

are done at the same

temperature

No TISAB used

Add TISAB buffer

Incorrect pH

Ensure pH is between

5 -7

Variations in

measurement

procedure

between

calibration and

measurement

Ensure stirring rates,

temperature, and other

conditions are the same

in calibration and

measurement steps

Parameter

Operating Range

Concentration range

0.02 to 19,000 mg/L

Temperature range

0 – 60ºC

pH range

5 -7 pH

Reference type

Double Junction Ag/AgCl/refillable

Sensor materials

Solid state crystal

Body and sleeve

Polypropylene/PMMA

Overall length

150mm

Barrel diameter

12mm

Cable length

1m standard, longer to order.

Maximum 20m

Connector

BNC standard, others on request

All specifications and values are subject to change without notice. © 2012

Images are illustrative only.

GOOD CHEMISTRY

GOOD CHEMISTRY

Operators Manual

Short-Form

Intermediate Junction Series