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Pyrex® Cylindrical Separatory Funnels with Dropping Tube

By Corning
Pyrex® Cylindrical Separatory Funnels with Dropping Tube

These Pyrex® cylindrical separatory funnels are for the addition of material to a reactive mixture in a closed system where air must be excluded. The dropping tube below the stopcock permits delivery of solutions by drops. The lower end of the dropping tube extends below the lower end of the inner 24/40 ST joint. The funnels have a micro-finish PS PTFE plug which fits into the micro-finish glass barrel. The plug also reduces freezing problems and grease contamination. The funnels also have strong, hollow ST glass stoppers. For replacement glass stoppers, see Cat.No. 1-7650; for replacement PTFE stopcock plugs, see Cat.No. 1-7681.

                             
Cat.No. Brand Name Material Capac. Stopcock Size Stem Length Stem Diam Length PK     CS    
1-6389-125 Pyrex® Separatory funnel Borosilicate glass 125mL 2 15mm 8mm 345mm DISCONTINUED   DISCONTINUED  
1-6389-250 Pyrex® Separatory funnel Borosilicate glass 250mL 2 15mm 10mm 370mm DISCONTINUED   DISCONTINUED  
1-6389-500 Pyrex® Separatory funnel Borosilicate glass 500mL 4 18mm 10mm 420mm DISCONTINUED   DISCONTINUED  

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