bids are invited for purchase various consumable as per the specification given in annexure-vi - 1 silica gel 100-200 mesh, merck, 500gm 5 2 vials, screw top with solid cap with aluminum liner, 22 ml, amber glass vial, sigma, 100 / pkt 1 3 vials, screw top, graduated, solid cap, 4 ml, clear glass vial, sigma, 100 / pkt 1 4 septum, ptfe / butyl, ptfe / rubber ( butyl ( pharma-fix ) ) , diam. × thickness 20 mm × 0.135 in., sigma, 100 / pkt 10 5 crimp cap, 20 mm, aluminum, open center, silver aluminum, chromacol 20- acb, sigma, 100 / pkt 10 6 dichloromethane ( dcm ) for hplc & uv spectroscopy, 99.9%, srl, 2.5 ltrs 10 7 hexanes lichrosolv 1 l, merck 10 8 kc opal nitrile gloves medium, tarson, 200 / pkt 5 9 acetone for chromatography, 2.5 ltrs, merck 2 10 potassium permanganate emplura, merck, 500gm 5 11 boron trifluoride-methanol solution, sigma, 100ml 3 12 extran ma 02 neutral 5 l, merck 3 13 ethyl acetate lichrosolv, merck, 1ltrs 1 14 micro tips 200-1000ul, tarson, 500 / pkt 3 15 micro tips 2-200ul, tarson, 1000 / pkt 2 16 macro tips eppendorf 5ml, tarson, 100 / pkt 4 17 syringe filter nylon, pore size- 0.22u, dia- 25mm, randisc, 100 / pkt 15 18 sulfuric acid about 98% emplura, 500gm, merck 2 19 ammonium sulfate emplura, 500gm, merck 1 20 sodium sulfate anhydrous emplura, 500gm, merck 4 21 sodium chloride emplura, 500gm, merck 4 22 potassium hydroxide pellets emplura, 500gm, merck 8 23 water lichrosolv 1 l, merck 5 24 sodium dithionite 85% extra pure, loba 2 25 sodium hydrogen carbonate, 500gm, merck 2 26 tri-sodium citrate dihydrade 500gm, merck 2 27 sample & storage vials, 15ml, borosil 100 28 storage vial, non steraline, 10ml, tarson 100 29 beaker, borosil, 250ml 20 30 beaker, borosil, 500ml 20 31 beaker, borosil, 1000ml 5 32 beaker, borosil, 2 ltrs 5 33 beaker, borosil, 50ml 20 34 separating funnel, globe shape, borosil, 125ml 2