Please, show me how to prepare correctly Fuchsin reagent (Schiff reagent) for Determination of methanol content

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Mushtaq Ahmad

https://law.resource.org/pub/eac/ibr/eas.216.8.2001.pdf

follow this document

Nguyen Hoa

thank you very much for your answer, but before, i did not success many times when i tested my sample follow this document. Do you know exactly colour of solution after adding Schiff reagent, or special notes during analysis procedure.

Thank you.