Page 452 - Applied Pharmacognosy
P. 452

Types of Chemical markers

                               (toluene). The
                               remaining of water
                               co – distils with the
                               solvent, as an
                               immiscible layer.
• The volume of the

                                     separated H2O is ( V1).

•1
   447   448   449   450   451   452   453   454   455   456   457