Determination of Silver Concentration in Fixer Solutions
This is a method for the determination of silver ion concentration in hypochlorite based fixer solutions.
Chloride in Mayonnaise
The testing of Chloride or salt in food products is important to ensure there is enough salt to act as a preservative and to provide the desired taste.
Automatic Temperature Compensation for ISE’s
We are all used to measuring pH and conductivity and achieving a result that is corrected to be the same as the actual result would be at 25 degrees centigrade.
Cathodic Disbondment Testing
The disbondment test is a simple way of assessing the effectiveness of the bond between the protective coating and the metal structure that it is designed to preserve.
Cathodic Over Protection Risks
The addition of too many (or too large) Sacrificial Anodes will excessively lower the potential of the steel in the water.
Determination of the pH of Mineral Soil
The pH of a mineral soil is defined as the pH, measured potentiometrically, of the suspension obtained by shaking the soil with water under controlled conditions.
Cleaning My Fluoride ISE
This procedure will improve the electrode slope and enable the ISE to sense at low levels if this part of the range has been lost.
Electrode Storage
pH electrodes, unless they are half cells, should be stored in electrode storage solution.
Maintenance of my Chloride ISE
All crystalline ISEs do start to develop an oxidised layer on the crystal after a period of time.
How to Measure Hull Potential
The Hull potential measure in millivolts (mV) is simply the potential difference between the boats hull and a controlled Silver/Silver Chloride reference electrode.