Posts tagged 'Ion selective electrode'

How can I measure low sodium concentrations with an ISE?
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How can I measure low sodium concentrations with an ISE?

Sodium's chemistry means that you cannot measure it's concentration with a simple test kit or reagent and photometer combination, like you would with many other water quality parameters. There are a number of available options (read more here). But using an ISE is the most commonly used within the water testing industry. ISE measurements can be a tricky method to master and relies careful ...
Ion Selective Electrode Meter
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How to calibrate an Ion Selective Electrode Meter

Proper calibration of ion selective electrode (ISE) meters is vital to ensure accurate results. Here are some top tips for calibration: Calibration standard concentrations should bracket your expected sample - you should use at least 2 standard calibration standards which bracket the expected concentration of your sample, and these concentrations should be decades apart e.g. 0.1mg/L and 1mg/...

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How can I test Sodium? Is there a test kit for sodium?

Testing for Sodium is often required in food or blood samples. Some water samples may need to be tested, particularly those where a softening system is used. Due to the nature of sodium's chemistry, it cannot be tested by a simple test kit method. We've taken a look at why this is, and explored what options are available for testing sodium. [caption id="attachment_8317" align="aligncenter" wi...

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Can I measure Fluoride on my pH meter?

Can I measure Fluoride on my pH meter? Fluoride can be measured on an Ion Selective Electrode (ISE). The ion selective electrode generates a signal which is the same as that generated in a pH measurement. In simple terms if the pH meter can measure mV and well as pH then the meter can be used to make an ISE measurement. To do this with a pH meter the user will have to generate a from the gra...
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What is an ISE - Ion Selective electrode?

What is an ISE - Ion Selective electrode? [caption id="attachment_2116" align="alignleft" width="557" caption="Half Cell ISE"][/caption] An ion-selective electrode (ISE) is an electrode that measures the activity of a specific ion dissolved in a solution into an electrical potential which can be read on a meter. The sensing part of the electrode is usually made of an ion-specific membrane...
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