f33ea3c8_LIBRARY_AND_INFORMATION_CENTRE__Food_Article
[Adulterant] Aluminium Foil On ignition genuine silver foil burns away completely leaving glistening white spherical ball of the same mass while aluminum foil is reduced to ashes of black Grey colour. [Food Article] 
Silver Foil
PREVENTING FOOD ADULTERATION - N.D.R.K. NURSING LIBRARY AND INFORMATION CENTRE
Food Article