bids are invited for cupric nitrate trihydrate 500 gm 99 point 5 percent purity , manganese ii acetate tetra hydrate extrapure 500 gm 99 percent purity , chromium iii nitrate nonahydrate 500 gm 96-98percent purity , zirconyl nitrate hydrate 500 gm 99.5percent purity , lanthanum nitrate hexa hydrate 500 gm 99 percent purity , cerous nitrate, hexa hydrate 500 gm 99.9 percent purity , ceric oxide ar grade 500 gm 99.95percent purity , lanthanum oxide extrapure 500 gm 99.9 percent purity , zirconium oxide 500 gm, 99.5 percent purity , yttrium nitrate hexa hydrate 100 gm 99.9 percent purity , calcium nitrate tetra hydrate 500 gm 99 percent purity , tetraethyl orthosillicate 2.5 ltrs 98 percent purity , borosil ashless quantitative filter papers 125mm dia pack of 100 , silica gel powder 100-200 mesh 500 gm , strontium carbonate 99percent purity 500 gm , alumina alpha nano powder 250 gm particle size less than 50 nm