Glassware Catalog

Filtration Flasks - Sigma-Aldrich Glassware Catalog


Filtration  •  Flat-Bottom  •  Round-Bottom  •  Multi-Neck  •  Schlenk  •  Septum-Inlet  •  Accessories



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Aldrich filter flasksPyrex heavy-wall filtering flasks
Filtration bottlesAldrich 75mm o-ring bottles



Aldrich filter flasks


A. 1,000mL reservoir flasks with hose barb.

S.T. Joint
Catalog Number
24/40
29/32

B. 1,000mL, with 3-way glass stopcock. Use with NMR tube cleaners, Gooch crucibles, and Buchner funnels. With threaded S.T. 24/40 joint.





Z17,481-5


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Pyrex heavy-wall filtering flasks


Blown in special molds to give maximum strength. Graduated to show approximate capacity.


Cap.
(mL)
Stopper
Number
Grad.
range (mL)
Catalog
Number
Without hose connection (Corning 5320)
250
6
75 - 250
500
7
150 - 500
1,000
8
300 - 1,000
2,000
9
600 - 2,000
4,000
12
1,500 - 4,000
10mm o.d. hose-connection for sizes up to 1,000mL and 12.5mm o.d. for 2,000 and 4,000mL sizes (Corning 5340)
250

6

75 - 250
500
7
150 - 500
1,000
8
300 - 1,000
2,000
9
600 - 2,000
4,000
12
1,500 - 4,000

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Filtration bottles



Available with standard hose barb or threaded 6mm glass stopcock. Use a number 12 stopper and 3/8in. i.d. tubing with all versions.


Cap. (L)
Diam. x H (mm)
Hose Barb
Catalog Number
Stopcock
Catalog Number
Graduated bottles - double scale (L and gal) in 500mL increments
9.5
187 x 476
13.25
238 x 438
19
292 x 508
Ungraduated bottles
9.5
187 x 476
13.25
238 x 438
19
292 x 508
45.5
406 x 584

Polycoating is available upon request, please contact the Aldrich Glass Shop at aldglass@sial.com for more details.

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Aldrich 75mm o-ring bottles

Ideal for controlled vacuum filtration or transfer situations without the need for a stopper

Cap. (L)
Diam. x H (mm)
Catalog Number
Graduated bottles - double scale (L and gal) in 500mL increments
9.5
187 x 476
13.25
238 x 438
19
292 x 508
Ungraduated bottles
9.5
187 x 476
13.25
238 x 438
19
292 x 508
45.5
406 x 584

Aldrich 75mm o-ring tops

Each top comes with a 4mm PTFE stopcock. Use the stainless steel clamp listed below.
Torion inlet style - Use 1/2in. hard-wall transfer tubing (e.g. PP or PTFE) for the airtight transfer of air-sensitive materials.

Standard Taper - The S.T. 24/40 and S.T. 29/32 joint can accommodate a transfer adapter or a filter funnel.

Description
Catalog Number
Torion inlet top Z51,712-7
S.T. 24/40 top Z51,713-5
S.T. 29/32 top Z51,739-9
Stainless Steel 75mm Clamp
Replacement Viton O-Ring Z54,300-4

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