Choosing a Conductivity Electrode

Posted in: Applications, Electrodes

Author: Amy Measor

Date Posted: 15/02/2022

Conductivity is the ability of any material to pass an electric current. It is typically measured in aqueous solutions, and in this context, it can be defined as the ability of a solution to conduct an electric current between two electrodes. It is used as...Read More

A Brief Introduction to Redox Measurement

Posted in: Applications, Electrodes

Author: Sentek Ltd

Date Posted: 03/02/2022

Oxidation reduction potential measurement (or redox measurement) is a measurement that shows the oxidising or reduction potential of a particular substance. The unit measurement used is called the volt or millivolt. This can most accurately measure the potential of a substance to oxidise or reduce...Read More

What is a pH Probe?

Posted in: Applications, Custom Sensors, Electrodes

Author: Amy Measor

Date Posted: 03/11/2021

What is a pH probe? A pH probe is a device that measures the pH level of a substance or solution. It does this by measuring the amount of hydrogen (H+) or hydroxyl (OH-) ions in a substance. If there are more H+ than OH-...Read More

What is Conductivity Measurement?

Posted in: Applications, Electrodes

Author: Amy Measor

Date Posted: 19/10/2021

What is Conductivity? Conductivity is the ability of a material to pass an electric current. It is the reciprocal of resistivity. It is typically measured in aqueous solutions, and in this context, it can be defined as the ability of a solution to conduct an...Read More

Why are educational electrodes an important tool?

Posted in: Applications, Electrodes

Author: Amy Measor

Date Posted: 24/05/2021

Since 1991 Sentek has been providing a range of electrochemical sensors for use in science, industry and education. Many schools and colleges will use educational electrodes as part of their practical lessons, to help educate students on measurement and analysis techniques. Measurement using pH sensors...Read More

How do ion selective electrodes work?

Posted in: Applications, Electrodes

Author: Amy Measor

Date Posted: 15/04/2021

Ion selective electrodes allow us to measure the activity of a specific ion in a sample, by measuring the potential of a measuring cell which has a membrane that is specific to a certain ion, against the potential of a reference cell. They allow fast...Read More

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