Mannitol crystals were observed under foldscope after osazone test


To 0.5 g of phenylhydrazine hydrochloride

add 0.1 gram of sodium acetate and ten drops of glacial acetic acid.

Add 5 mL of test solution(manitol and glucose) to this mixture and heat under boiling water bath for about half an hour.

Cool the solution slowly and examine the crystals under a foldscope and microscope


Leave a Reply