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Glassware Stoppers Glass Tubing |
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Filter Flask, Conical, 250 mL, Borosilicate glass. Borosil brand, ungraduated. New.
A water aspirator or vacuum pump (sold sep.) attached to the side tube provides suction for speeding up filtration processes. Takes Rubber Filter Aid to accomodate a Büchner funnel (see below; each sold separately).
Ship. wt. 1 lb
#C802.....$12.29 each
Filtering Flask, Conical, 500 mL, Borosilicate glass. Borosil brand, ungraduated. New.
Tubulation diameter: the smallest ridge has an O.D. of about 3/8"; the middle ridge has an O.D. of about 7/16"; largest ridge has O.D. approx. 1/2".
Recommended vacuum tubing size: 3/8" to 7/16" I.D.
Ship. wt. 1.5 lbs.
#C805....$14.99 each
Filtering Flask, Conical, 1000 mL, Borosilicate glass. Borosil brand, ungraduated. New.
Ship. wt. 2.5 lbs
#C810....$21.99 each
Buchner Funnel, 80 mm. Porcelain,
I.D. approx. 72 mm, bowl height 48 mm, overall height 140 mm.
Takes 70 mm Filter Paper, #C753 (see below). New.Ship wt 3/4 lb.
#C653 ... $4.29 ea.
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Buchner Funnel, 100 mm. Porcelain, I.D. approx 97 mm, bowl
height 53 mm, overall height 161 mm. Takes 90 mm Filter Paper,
#C754 (see below). New.#C654...$7.99 ea.
Filter Paper, Circular,
70 mm. No.1 Porosity. Low ash content, for Qualitative
work. Suitable for some types of paper chromatography as well.
Fits #C653 Buchner Funnel. 100 circles per pack.#C753 ... $2.49 / pack
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Filter Paper circles,
90 mm. No. 1 Porosity. Qualitative. Fits #C654 Buchner
Funnel. 100 circles per pack.#C754 ... $3.79 / pack
More types of filter paper available on their own page
Rubber Filter Aid - fits the
Buchner funnel to the flask neck to provide enough of a seal for
vacuum filtration. One filter aid can be used with different sizes of
flasks and Buchner funnels. New.
$5.49 each
Vacuum Pumps for filtration are on their own page
Texas residents please read this.
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We also accept Paypal
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Rubber Filter Aid
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Additional types of filter paper are available on their own page
