bids are invited for purchase of chemicals -activated charcol for soil test , ammonium acetate , ammonium chloride , ammonium ferrous sulphate , ammonium metavandate , ammonium molybdate tetrahydrate , ammonium sulphate , antimoney potassium tartrate , l ascorbic acid , barium chloride dihydrate , boric acid , buffer solution ph 4.0 , buffer solution ph 7.0 , buffer solution ph 9.2 , calcium chloride dihydrate , chloroform , citric acid anhydrous , copper sulphate pentahydrate , dtpa , devardas alloy , edta disodium salt dihydrate , ferrous ammonium sulphate hexahydrate , gum acacia powder , hydrochloric acid 35 percent , magnesiuk oxide light , methyle orange , nitric acid 69 percent , orthophophoric acid , parafin wax, pellet , potassium chloride , potassium dicromate , potassium nitrate , potassium nitrite , potassium sulphate , potassium permagnate , selenium metal powder , sodium acetate anhydrous , sodium bicarbonate , sodium chloride , sulphuric acid , prchloric acid , sodium hydroxide , p nitrophenol total quantity : 100