Dropping Funnel, 250mL - Squibb, Graduated - With 19/26 Plastic Stopper & Glass Key Stopcock - Borosilicate Glass Chemical_Lens Cleaning while the pair-form allows attraction-repulsion

while the pair-form allows attraction-repulsion comparisons in a single setup

3 glass features 29/32 cone with flat bottom for sealing ground joint vessels and chemistry apparatus

organic oxidation reactions

packaged in twelves for classrooms that prefer plastic over glass at student stations

Dropping Funnel, 250mL - Squibb, Graduated - With 19/26 Plastic Stopper & Glass Key Stopcock - Borosilicate Glass Chemical_Lens Cleaning while the pair-form allows attraction-repulsionSQUIBB Squibb style graduated dropping separatory funnel with 250ml capacity TRANSPARENT & DURABLE Made of high quality Borosilicate 3. 3 glass Transparency allows for high visibility FOR SEPARATION Used to transfer liquids Using the stopcock allows fluids, including reagents, to dispense slowly (drop wise) STOPPER & STOPCOCK Fitted with an interchangeable 19 26 plastic stopper and glass key stopcock GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS &