supply of laboratory glassware items , laboratory glassware - all items must be made of 3.3 borosilicate galss, usp type i and shall comply with the is/iso/astm standards mentioned below. , beaker, low form with spout 50 ml (is 2619, iso 3819) , beaker, low form with spout 500 ml (is 2619, iso 3819) , condenser, liebig, drip tip with interchangeable joint (24/29), jacket length 400 mm , crucible, gooch type, low form, with sintered disc, 50 ml, porosity grade 4 , flask, boiling, flat bottom, 500 ml (is 1381, iso 1773) , flask, boiling, round bottom, short neck, with interchangeable joint (24/29) , flask, erlenmeyer, conical, narrow mouth, colourless, 250 ml (is 1381, iso 1773) , flask, erlenmeyer, conical, narrow mouth, colourless, 500 ml (is 1381, iso 1773) , funnel, buchner type, with sintered disc, 80 ml, porosity grade 3 , funnel, plain, 600 angle, short stem, 50 mm (is 1591, iso 4798) , glass rod 6 mm o.d x 9 inch length , nesslers cylinder with white marking, 50 ml (is 4161) , pipette, transfer, volumetric, 1 ml, class b (iso 648) , pipette, transfer, volumetric, 2 ml, class b (iso 648) , pipette, transfer, volumetric, 20 ml, class b (iso 648) , pipette, transfer, volumetric, 25 ml, class b (iso 648) , pipette, transfer, volumetric, 4 ml, class b (astm e-969-02) , pipette, transfer, volumetric, 5 ml, class b (iso 648) , separating funnel, pear shape with ptfe key stopcock, 250 ml (is 1575, iso 4800) , separating funnel, pear shape with ptfe key stopcock, 500 ml (is 1575, iso 4800) , test tube, with rim, 25 x 150 mm (is 2618, iso 4142) , volumetric flask, amber with solid glass stopper, 10 ml, class b (iso 1042) , volumetric flask, amber with solid glass stopper, 100 ml, class b (iso 1042) , volumetric flask, amber with solid glass stopper, 200 ml, class b (iso 1042) , volumetric flask, amber with solid glass stopper, 25 ml, class b (iso 1042) , volumetric flask, amber with solid glass stopper, 50 ml, class b (iso 1042) , volumetric flask, colourless with solid glass stopper, 10 ml, class b (iso 1042) , volumetric flask, colourless with solid glass stopper, 100 ml, class b (iso 1042) , volumetric flask, colourless with solid glass stopper, 20 ml, class b (iso 1042) , volumetric flask, colourless with solid glass stopper, 25 ml, class b (iso 1042) , volumetric flask, colourless with solid glass stopper, 50 ml, class b (iso 1042) , weighing bottle with lid, 25 ml (is 1574)