whole melt extracts No Further a Mystery
$$ mathrm R f=frac mathrm Distance mathrm travelled mathrm by mathrm the mathrm solute left(mathrm cm proper) mathrm Length mathrm travelled mathrm by mathrm the mathrm solvent still left(mathrm cm suitable) $$‘Half melts’ depart some residue soon after dabbing and may include leftovers of plant matter. These products, though however