| OPTIONAL APPARATUS Description Unit Cat. No. Balance, Precision, 115 V.......................................................................each..............26104-00 Balance, Precision, 220 V.......................................................................each..............26104-02 Beaker, 400 mL.......................................................................................each..................500-48 Beaker, Berzelius, 200 mL..................................................................12/pkg..............22761-75 Bottle, Wash, 1 L.....................................................................................each..................620-16 Bulb, dropper, 2 mL............................................................................12/pkg..............21189-00 Cylinder, graduated, 50 mL.....................................................................each..................508-41 Dispenser, Digital, 1.0-5.0 mL (for sulfuric acid....................................each..............25631-37 Dispenser, Digital, 5-59 mL (for sulfuric acid).......................................each..............25631-41 Professional filter Discs, glass, 47mm..................................................................100/pkg................2530-00 Filter Holder, glass, 47 mm..................................................................... each................2340-00 Flask, filter, 500 mL................................................................................each..................546-49 Oven, laboratory, 120 V..........................................................................each..............14289-00 Paper, weighing, 76 x 76 mm............................................................500/pkg..............14738-00 pH Paper, pH 1-11.........................................................................5 rolls/pkg..................391-33 suppliers of ph meter, sension™1, portable..............................................................each..............51700-10 Pipet, Pasteur, disposable, 229 mm...................................................200/pkg..............21234-01 Safety Industrial goggles........................................................................................each..............18421-00 Spatula, stainless, 10 cm.........................................................................each..................561-64 Spoon, measuring, 0.05 g........................................................................ each..................492-00 Stir Bar, Teflon-coated, 25.4 x 7.9 mm...................................................each..............20953-51 Stir Plate, magnetic, Thermolyne, 120V, 50/60 Hz.................................each..............23444-00 Stir Plate, magnetic, Thermolyne, 240V, 50/60 Hz.................................each..............23444-02 Stopper, hollow, size #5.........................................................................6/pkg..............14480-05 Syringe, 5 cc, plastic.........................................................................100/pkg..............23433-33 Watch Glass, 65 mm............................................................................12/pkg..................578-97 |