Technical Articles
Reference Electrodes – Operating Instructions
All EDT directION electrodes and sensors are shipped with the measuring tip covered with a soaker teat or bottle filled with the appropriate soaking solution.
Reference Electrodes: Filling & Storage Solutions
It is important to know which Filling & Storage Solutions should be used with your Reference Electrodes.
Which Reference Electrode Should I Use?
It is important to know which reference electrode to use for your application. Using the wrong electrode can ruin your results.
Multi-Parameter meter
One Meter for Everything This powerful portable Series 4 Meter does everything! Its a pH Meter, Conductivity Meter, Ion Meter, Dissolved Oxygen Meter, TDS Meter, Temperature Meter, mV meter, Chloride Meter,...
Chloride Testing After Fire Damage
Chloride testing after fire damage can accurately determine the potential for corrosion in metal structures after a fire.
The Determination of Sulphate in Water
As there is no direct measuring Sulphate ISE the analysis is performed using a sample subtraction technique with a Lead ISE as the sensor.
Aluminium testing
There is no Ion Selective Electrode for Aluminium however due to the strong reaction with Fluoride in solution an indirect method is possible using a Fluoride ISE and some prepared reagents.
EDT Electrodes and Mettler Toledo Meters
Combination ISE’s and pH electrodes are compatible with all meters except for the multiparameter instruments.
Sulphide ISE Reagent Prep
Sodium Sulphide standard solutions can be prepared from reagent grade Sodium Sulphide Hydrate Na₂S.9H₂O. It is advised that all Sulphide solution preparation be performed in a fume hood to avoid breathing Noxious fumes.
EDT Electrodes and Hanna Meters
There are many pH and ION meters in laboratories all over the world. Many years ago some manufacturers had their own style of connector which prevented competitors from substituting their electrodes with their own.