GCSE workbooks [ Ссылка ]
School licenses from 40p per copy [ Ссылка ]
In this video, we look at how we can use chromatography to identify the compounds in a mixture. We also look at how we can identify an unknown compound by calculating the Rf value.
This video is based on the AQA spec. This video may be appropriate for iGCSE / O Level Chemistry. Please consult your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.
Image credit:
Coloured pens By RRRST (Own work) [CC BY-SA 4.0 ([ Ссылка ])], via Wikimedia Commons
Ещё видео!