Tender For corrigendum : supply of lab chemicals 43 type - benzene, ar grade, carbon tetrachloride ar grade, n heptane ar grade, isopropyl alcohol, ar grade, petroleum ether range 100-120 deg c, hydrochloric acid,ar grade, sulphuric acid, ar grade, ammonia liquid, ar grade, piperidine ar grade, ph 4.00 buffer standard solution, ph 7 buffer standard solution, ph 9 buffer standard solution, potassium hydroxide, ar grade, sodium oxalate ar grade, potassium hydrogen phthalate,ar, copper sulphate, ar grade, ferrous sulphate ar grade, potassium iodide(ki), ar grade, potassium permanganate, ar grade, ammonium thiocyanate, ar grade, sodium tetra borate (borax), ar, magnesium chloride, ar grade, barium hydroxide ar grade, sodium chloride, ar grade, hydrogen peroxide, ar grade, sodium thio sulphate, ar grade, sodium nitrate ar grade, mercuric chloride, ar grade, potassium chloride ar grade, calcium chloride, ar grade, sodium acetate, ar grade, aniline, ar grade, agar, 1,2 dichloroethane, ar grade, potassium ferrocyanide, ar grade, toluene, ar grade