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Air-Sensitive Glassware

Schlenk Operations - Glasssware Catalog - Schlenk Glassware Operations -Air-Sensitive Glassware


Introduction
• Typical Operations • Accessories


Aldrich Schlenk-Type Glassware Product Accesories


On this page:
Addition of LiquidsChemical ReactionDistillationDrying/EvaporationExtraction and FiltrationFiltration/RecrystallizationFiltration/Washing/DegassingFiltration/WashingTransfer of SolidsDeoxygenation apparatus


Addition of Liquids:

Set-up: Addition funnel, reaction flask or tube and hex head stopper.

*Unless specified, all joint sizes are S.T. 14/20.

Components

Description
S.T. Joint
Catalog Number
M    Hex head stopper
M

Cap. (mL)
S.T. Joint
Catalog Number
R    Reaction and storage flask, Kjeldahl, with 2mm glass stopcock on side-arm
25
F
50
F
100
F
T    Reaction and storage tube with 2mm glass stopcock on side-arm
25
F
50
F
WA    Addition funnel with 3mm Rotaflo stopcock, and 2mm glass stopcock on side-arm
100
1-M,I-F


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Chemical Reaction:


Set-up: Two reaction flasks and two bent adapters.

*Unless specified, all joint sizes are S.T. 14/20.

Components


Description
S.T. Joints
Catalog Number
C    90° - Bent adapter
1-M, 1-F
D    75° - Bent adapter
2-F
Cap. (mL)
S.T. Joint
Catalog Number
Q    Reaction flask with 2mm glass stopcock on side-arm
25
M
50
M
100
M


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Distillation:


Set-up: A storage flask connected to a Vigreux distilling column, 3-way connecting adapter, thermometer adapter, Liebig condenser, vacuum distillation adapter, and a reaction and storage flask.

*Unless specified, all joint sizes are S.T. 14/20.



Components

Description
S.T. Joints
Catalog Number
B    105°-Bent adapter with hose barb
1-M, 1-F
F    Thermometer adapter
1-M
HB    Three-way adapter, 75° angle
2-M, 1-F
O    Vigreux distilling column, 150mm long
1-M, 1-F
P    Liebig condenser, 100mm long
1-M, 1-F

Cap. (mL)
S.T. Joint
Catalog Number
R     Reaction and storage flask, Kjeldahl, with 2mm glass stopcock on side-arm
25
F
50
F
100
F
S    Solvent storage flask with 2mm glass stopcock on side-arm
50
F
100
F
250
F



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Drying/Evaporation:


Set-up: Storage and reaction flask via a bent adapter is connected to a cold-trap equipped with a connecting adapter (in-line with glass stopcock).

*Unless specified, all joint sizes are S.T. 14/20.

 


Components

Description
S.T. Joints
Catalog Number
C    90° - Bent adapter
1-M, 1-F
G    Adapter with glass stopcock
1-M, 1-F
N    Cold-trap for isothermic evaporation
2-F

Cap. (mL)
S.T. Joint
Catalog Number
Q    Reaction flask with 2mm glass stopcock on side-arm
25
M
50
M
100
M


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Extraction and Filtration:

 



Set-ups for the extraction and filtration of solids are illustrated below.

Set-up: Examples 1, 2, and 3 are arrangements of flasks and a filter funnel. 2 also uses two angled adapters and 3 uses a straight adapter. Set-up 4 has a low-temperature filter funnel connected to a Liebig condenser, equipped with a vacuum adapter, and a reaction and storage flask.


*Unless specified, all joint sizes are S.T. 14/20.

Components


Description
S. T. Joints
Catalog Number
AB  Straight adapter with drip-tip
2-F
C    90°-Bent adapter
1-M, 1-F
D    75°-Bent adapter
2-F
E    Vacuum adapter
1-M
M    Hex head stopper
M
P    Liebig condenser, 100mm long
1-M, 1-F


Cap. (mL)
S. T. Joint
Catalog Number
Q    Reaction flask with 2mm glass stopcock on side-arm
125
M
150
M
100
M
R     Reaction and storage flask, Kjeldahl, with 2mm glass stopcock on side-arm
125
F
150
F
100
F
WB     Filter funnel with drip-tip and two 2mm glass stopcocks, one on side-arm, frit porosity WB       as 25-50 µm
175
1-M,I-F
XA     Filter funnel with drip-tip and two side-arms each equipped with a 2mm glass stopcock, frit WB     porosity 25-50 µm
100
1-M,I-F
XB     Low temperature filter funnel, lower outlet is bent to allow for immersion of entire unit into a WB     dewar bath, two 2mm glass stopcocks, frit porosity 25-50 µm
175
1-M,I-F


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Filtration/Recrystallization:

Set-up: Double-tube recrystallizer (H-Schlenk tube), reaction and storage tube, dropping funnel, hex head stoppers, straight adapter, joint cap and a sealing tube.

*Unless specified, all joint sizes are S.T. 14/20.

Components

Description
S.T. Joints
Catalog Number
AA    Straight adapter
2-F
KA    Female joint cap
F
M      Hex head stopper
M

Cap. (mL)
S.T. Joints
Catalog Number
V      Sealing tube for use with solid-transfer vessel
115
F
WA   Addition funnel with Rotaflo stopcock, and 2mm glass stopcock on side-arm
100
1-M,I-F
Z       Double-tube recrystallizers, frit porosity 70-100 µm
 
4-M


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Filtration/Washing/Degassing:

Set-up: Filter/washer/degasser unit with a rubber septum at the top attached to a reaction flask.

*Unless specified, all joint sizes are S.T. 14/20.


Components


Cap. (mL)
S.T. Joint
Catalog Number
R    Reaction and storage flask, Kjeldahl, with 2mm glass stopcock on side-arm
125
F
150
F
100
F
Y    Filter/Washer/Degasser has septum-inlet, drip-tip, and 2mm PTFE stopcocks on side-arm, female top joint and male bottom joint, frit porosity 25-50 µm
100
1-M,I-F


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Filtration/ Washing:

Set-up: Reaction and storage flask connected to a double-ended filter, to a straight adapter, followed by a 3-way connecting adapter connected to a reaction and storage flask and to an addition funnel with a hex head stopper.

*Unless specified, all joint sizes are S.T. 14/20.

Components

Description
S.T. Joint
Catalog Number
AA    Straight adapter
2-F
HA    Three-way adapter
2-M, 1-F
M      Hex head stopper
M

Cap. (mL)
S.T. Joint
Catalog Number
R      Reaction and storage flask, Kjeldahl, with 2mm glass stopcock on side-arm
125
F
150
F
100
F
WA     Addition funnel with 2mm Rotaflo stopcock, and 2mm glass stopcock on side-arm
100
1-M,I-F
XC     Double-ended filter with a 2mm glass stopcock on each of the two side-arms, frit porosity 25-50 µm
160
2-M


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Transfer of Solids:

Set-up:

No. 1 has a solid transfer vessel attached to a filter funnel via a reducing adapter, straight adapter and joint caps.

No. 2 shows a sealing tube attached to the side-arm of the solid transfer vessel.



*Unless specified, all joint sizes are S.T. 14/20.

Components

Description
S.T. Joints
Catalog Number
AB    Straight adapter with drip-tip
2-F
J       Reducing adapter
45/40F to 14/20M
KA    Female joint cap
F
KB    Female joint cap
45/40F
L      Male joint cap
M

Cap. (mL)
S.T. Joints
Catalog Number
U      Solid-transfer vessel for transferring and packaging air-sensitive solid compounds under inert atmosphere, has two side-arms with 14/20M joints and a gas inlet with 2mm glass stopcock
75
3-M
V      Sealing tube for use with solid-transfer vessel
15
F
XA    Filter funnel with drip-tip and two side-arms each equipped with a 2mm glass stopcock, frit porosity 25-50 µm
100
1-M,I-F


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Deoxygenation apparatus

One-piece condenser/flask unit for degassing solvents. Flask has angled Standard Taper joint and 7mm gas dispersion tube (porosity 25-50 mm) with 2mm glass stopcock. 250mL flask capacity, S.T. 14/20 joint.



Z22,046-9



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