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Puran Singh

Puran Singh, Indian plant chemist (Abbotabad District, Punjab 17 February 1881 – Dehradun 31 March 1931)
 
 
Determined the oil yielding qualities of many oilseeds
 
Analyzed, extracted and isolated essential oils from many forest tree and plants
 
Devised improved methods of extraction, distillation and purification of turpentine oil from various sources like pine trees
 
Developed a new condenser for distillation of camphor oil
 
Devised a chemical test for estimation of tannins using nickel hydroxide
 
Devised a technique for manufacturing charcoal briquettes from Indian woods
 
Patented a novel technique for cleaning and discolouring crystalline from raw sugar
 
 

LINKS  

http://vidyardhi.org/Resources/books/scientistsbal.pdf