Chromatographic visualization of Unreduced Methylene Blue

John Decker John_member at
Wed May 12 23:37:29 EST 2004

1) What is a good visualization spray reagent for the detection of 
trace amounts of unreduced methylene blue on a paper chromatogram?

2) Can trace amounts of methylene blue also be visualized by Infrared
of the paper chromatogram? 

John Decker

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