Fluoride measurement with ion-selective electrodes

There are two different ways to measure fluoride with an ion-selective electrode by direct measurement or by standard addition. This video compares the two methods, including their advantages and disadvantages, and demonstrates how to perform such a measurement.
For more information about fluoride measurement read our application bulletin: www.metrohm.com/en/applicatio...
Find more tips and tricks about ion measurement on our blog:
Ion-selective electrodes: General tips: www.metrohm.com/en/discover/b...
Ion-selective electrodes: Standard addition and direct measurement: www.metrohm.com/en/discover/b...
0:00 Introduction
0:44 Measurement principle direct measurement
0:59 Measurement principle standard addition
1:13 Comparison direct measurement and standard addition
1:54 Preparations for fluoride measurement
2:30 Direct measurement
3:19 Standard addition

[@nanakhvedelidze3745]

which buffer i have to use for nitrate measurment?

[@MetrohmTV]

Hi
You can find our recommendation in the electrode manual on page 8:
www.metrohm.com/content/dam/metrohm/shared/documents/fact-sheets/81098042EN.pdf
BR
Michel, Metrohm International Headquarters