Paper ChromatographyNov 14, 20191 min readYesterday in Science, pupils were doing this cool little experiment - a Paper Chromatography technique to separate and identify the pigments in a range of felt-tip pens and food dyes!https://video.wixstatic.com/video/257790_df0bb9e73efc4073b4541d384b4ad630/720p/mp4/file.mp4#science
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