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With sealed-in perforated disc to support filter media. Pressure may be used but should not exceed 15psi. This design solve the contamination problem with fritted disc and also the blindness problem with ceramic Buchner funnel. -
Funnels have 60° angled side with a standard taper inner joint. -
Funnels have 60° angle and a standard taper inner joint. -
With stopcock, graduated -
With 1:5 Teflon stopcock. -
With Teflon adjustable bore metering plug. Turning the adjustment knob allows flow rate to be controlled from full flow to drop wise. The metering plug completely solves the problems of sudden overflow or non-flow during addition of reagents. -
Supplied complete with a flask length stopper of the listed size. -
With 2mm Teflon Stopcock and supplied with a stopper or PTFE stopper. Refer to table for more information. -
Supplied with a or Teflon Stopper. -
Design of funnel permits addition of solvents to flash chromatography columns without disturbing the silica-gel/packing layer. Lower end of the funnel is closed and the stem has a series of small holes through which the solvent drains. Top of the funnel is 90mm in diameter with the stem size as listed. -
Manufactured from polypropylene for holding all kinds of funnels from 60 mm up to 150 mm diameter in the most secure way. Two tapered wedges in the locking system are used to ensure a firm grip on rods of diameter range 10 mm to 13 mm. -
Manufactured from high quality, corrosion resistant chromed steel for holding all kinds of funnels up to 150 mm diameter in the most secure way. Ring with slit offers uses also with separating funnels. The boss head mounted to the stem enables fast and easy attachment of the funnel holder to the stand rods. -
Manufactured from high quality, corrosion resistant chromed steel for holding all kinds of funnels up to 150 mm diameter in the most secure way. Unique ring shape with a slit offers practical use also with separating funnels. -
Manufactured from heat resistant, durable borosilicate glass for transfer of powder. Can be used also for liquids. NS joint guarantees a perfect fit to the flask and large bore diameter guarantees fast delivery of the material. NS neck guarantees a perfect fit to the flask. Thick wall and reinforced rim prevent breakage during washing and transportation. -
Manufactured from heat resistant, durable borosilicate glass with short stem according to ISO 4798 standard. 60° cone filtering angle guarantees an excellent adaptation of the filter papers. Thick wall and reinforced rim prevent breakage during washing and transportation. -
Manufactured from heat resistant, durable borosilicate glass with an acid-resistant sintered glass disc for filtration. Guarantees an easy and fast filtering without the need for any kind of filter paper. Heavy and thick body construction and reinforced rim prevent breakage during washing and transportation.
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