Glassware Catalog

Distillation Columns - Sigma-Aldrich Glassware Catalog



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Vigreux: MicroStandardSilvered, vacuum-jacketed
Miscellaneous: Distilling columnVacuum-jacketedSilvered bellowsSilvered coil
Hemple: Hemple columnsStrip-silveredOldershaw
Snyder: Aldrich Snyder distilling columns




Micro Vigreux columns


With S.T. 14/20 joints.

Effective L (mm)
Catalog Number
Vacuum-jacketed, 6mm i.d., 15mm o.d.
75
150
300
Unjacketed, 10mm i.d., 12mm o.d.
75
150
190
300


* Fits Aldrich All-in-One Lab Glassware Kit



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Standard Vigreux columns

With S.T. 24/40 joints

Effective L (mm)
Catalog Number
Vacuum-jacketed, 19mm i.d., 38mm o.d.
50
75
150
300
Unjacketed, 19mm i.d., 22mm o.d.
50
75
150
300

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Silvered, vacuum-jacketed Vigreux columns

Vacuum-jacketed and strip silvered to provide two windows 180° apart for viewing. S.T. 24/40 joints, 19mm i.d., 38mm o.d.

L (mm)
Catalog Number
250
400

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MISCELLANEOUS COLUMNS

A. Distilling column

S.T. 19/22 Clear-Seal joints, 200mm L, 30mm o.d.

Z10,031-5


B. Vacuum-jacketed distilling column

S.T. 24/40 joints, 300mm L, 38mm o.d.

Z10,259-8


C. Silvered bellows column

S.T. 24/40 joints, 280mm L, 64mm o.d. Vacuum-jacketed. Bellows handle expansion from heat generated in inner straight tube. Strip-silvered to provide two windows 180° apart for viewing.

Z17,351-7


D. Silvered coil column

S.T. 24/40 joints, 280mm L, 57mm o.d. Vacuum-jacketed. Strip-silvered to provide two windows 180° apart for viewing.


Z17,352-5

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ALDRICH HEMPEL-TYPE DISTILLING COLUMNS

Hemple columns


Effective L (mm)
Micro
S.T. 14/20 joints
Catalog Number
Standard
S.T. 24/40 joints
Catalog Number
Vacuum-jacketed
10mm i.d., 25 mm o.d.
19mm i.d., 38mm o.d.
75
150
300
Unjacketed
10mm i.d., 12 mm o.d.
19mm i.d., 22 mm o.d.
75
150
300


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Strip-silvered Hempel columns


Vacuum-jacketed and strip-silvered to provide two windows 180° apart for viewing (except the 160mm column which is completely silvered).

L (mm)
I.d. (mm)
O.d. (mm)
S.T. Joints
Catalog Number
160
12.5
25
14/20
135
19
42
24/40
250
19
42
24/40
385
19
42
24/40
500
19
42
24/40


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Oldershaw distilling columns

Vacuum jacketed. Strip-silvered to provide two windows 180° apart for viewing. Consists of a series of sealed-in, perforated plates, each of which has a drain tube to direct condensed distillate to next lower plate and a weir to maintain uniform liquid level.


No. of plates
I.d. (mm)
O.d. (mm)
S.T. Joints
Catalog Number
5
19
64
24/40
5
19
64
29/42
5
28
64
29/42
10
19
64
24/40
10
19
64
29/42
10
28
64
29/42


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ALDRICH SNYDER DISTILLING COLUMNS

Floating ball type with S.T. joints, 12mm o.d.

S.T. Joints
Two Sections
Catalog Number
Three Sections
Catalog Number
Four Sections
Catalog Number
Five Sections
Catalog Number
Effective L (mm)
120
145
170
195
14/20
-
19/22
-
24/40
29/32


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