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ASI started using fuller's earth with a mixture of aluminium …
by Vikas Choudhary
DIG055190

ASI started using fuller's earth with a mixture of aluminium silicate and magnesium trisilicate to remove particulate matter in 1984. Today, ASI claims it has stopped using harmful chemicals and only adds glycerol, cellosolve and sodium bicarbonate to the

March, 2015 , Agra , Uttar pradesh
Vikas Choudhary
DVD NO. MDVDDP047
© Copyright Centre for Science Environment 2016. All rights reserved.
© Copyright Centre for Science Environment 2016. All rights reserved.