Tender For supply of ethyl benzene gc grade (1 x 500ml), benzaldehyde gc grade (1 x 500ml), dicyclohexyl gc grade (1 x 500ml), dicyclomethanol gc grade (1 x 500ml), methyl red (1 x 50gms), ammonium ferric sulphate ar (2 x 500gms), ammonium thincyanate ar (6 x 500gms), potassium hydrogen phthalate ar (4 x 500gms), dibutyl phthalate ar (2 x 500ml), disodium tartrate dihydrate(crm grade iso17034), heptane sulphonic acid sodium salt (grade-hplc)