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Advantage—a pressure equalizing funnel is used to add exact amounts of liquid to the receiving flask slowly and smoothly.with the side narrow-bore tube,the liquid form the funnel drops smooth without having to remove the glass joint stopper.in a reflux reaction,the funnel will be attached to one neck of the receiving flask,while the reflux condenser will be placed on …
Heavy wall —this dropping funnel is heavy-wall designed , made by hand-blowing according to astm e438 ,made of high-quality borosilicate glass and annealed at 800 degree celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in chemistry processes like heating and cooling,durable and reusable.
Design—-the pressure equalizing funnel is a special type of dropping funnel .comparing to the ordinary cylindrical dropping funnel and pear-shaped separatory dropping funnel,it is designed with an additional glass tube at side from the top of cylindrical body to the tube between the stopcock and lower male joint.the funnel features a graduated cylindrical tube as main…
Dimensions——this graduated addition funnel has a capacity of 250ml,with 24/40 top and bottom joints, with a 4mm ptfe stopcock above the lower male joint.
100% 90 day money back guarantee if you are not satisfied for any reason, simply return for a full refund, no questions asked. you have nothing to lose.please also kindly undertand glassware is fragile, even if we pack them carefully,it may be broken during the shipment ,if you receive the items in broken status,don’t hesitate to contact us ,we will arrange free replace…
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