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Air-Sensitive Glassware
Schlenk Operations
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Introduction • Typical Operations • Accessories
Aldrich Schlenk-Type Glassware Product Accesories
On this page:
Addition of Liquids • Chemical Reaction • Distillation • Drying/Evaporation •Extraction and Filtration • Filtration/Recrystallization • Filtration/Washing/Degassing •Filtration/Washing • Transfer of Solids • Deoxygenation apparatus
Addition of Liquids:
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Set-up: Addition funnel, reaction flask or tube and hex head stopper.
*Unless specified, all joint sizes are S.T. 14/20.
Components
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Description
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S.T. Joint
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Catalog Number
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| M Hex head stopper |
M
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Cap. (mL)
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S.T. Joint
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Catalog Number
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R Reaction and storage flask, Kjeldahl, with 2mm glass stopcock on side-arm
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25
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F
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50
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F
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100
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F
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| T Reaction and storage tube with 2mm glass stopcock on side-arm |
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25
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F
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50
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F
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| WA Addition funnel with 3mm Rotaflo stopcock, and 2mm glass stopcock on side-arm |
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100
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1-M,I-F
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Chemical Reaction:
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Set-up: Two reaction flasks and two bent adapters.
*Unless specified, all joint sizes are S.T. 14/20.
Components
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Description
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S.T. Joints
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Catalog Number
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C 90° - Bent adapter
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1-M, 1-F
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D 75° - Bent adapter
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2-F
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Cap. (mL)
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S.T. Joint
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Catalog Number
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Q Reaction flask with 2mm glass stopcock on side-arm
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25
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M
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50
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M
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100
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M
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Distillation:
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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.
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Components
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Description
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S.T. Joints
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Catalog Number
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B 105°-Bent adapter with hose barb
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1-M, 1-F
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F Thermometer adapter
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1-M
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HB Three-way adapter, 75° angle
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2-M, 1-F
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O Vigreux distilling column, 150mm long
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1-M, 1-F
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P Liebig condenser, 100mm long
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1-M, 1-F
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Cap. (mL)
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S.T. Joint
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Catalog Number
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R Reaction and storage flask, Kjeldahl, with 2mm glass stopcock on side-arm
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25
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F
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50
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F
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100
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F
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S Solvent storage flask with 2mm glass stopcock on side-arm
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50
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F
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100
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F
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250
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F
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Drying/Evaporation:
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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.
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Components
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Description
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S.T. Joints
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Catalog Number
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C 90° - Bent adapter
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1-M, 1-F
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G Adapter with glass stopcock
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1-M, 1-F
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N Cold-trap for isothermic evaporation
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2-F
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Cap. (mL)
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S.T. Joint
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Catalog Number
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Q Reaction flask with 2mm glass stopcock on side-arm
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25
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M
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50
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M
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100
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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
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Description
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S. T. Joints
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Catalog Number
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AB Straight adapter with drip-tip
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2-F
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1-M, 1-F
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2-F
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1-M
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M Hex head stopper
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M
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P Liebig condenser, 100mm long
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1-M, 1-F
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Cap. (mL)
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S. T. Joint
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Catalog Number
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Q Reaction flask with 2mm glass stopcock on side-arm
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125
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M
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150
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M
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100
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M
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R Reaction and storage flask, Kjeldahl, with 2mm glass stopcock on side-arm
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125
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F
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150
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F
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100
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F
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| WB Filter funnel with drip-tip and two 2mm glass stopcocks, one on side-arm, frit porosity WB as 25-50 µm |
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175
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1-M,I-F
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| XA Filter funnel with drip-tip and two side-arms each equipped with a 2mm glass stopcock, frit WB porosity 25-50 µm |
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100
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1-M,I-F
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| 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 |
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175
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1-M,I-F
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Filtration/Recrystallization:
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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
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Description
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S.T. Joints
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Catalog Number
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AA Straight adapter
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2-F
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KA Female joint cap
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F
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M Hex head stopper
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M
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Cap. (mL)
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S.T. Joints
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Catalog Number
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| V Sealing tube for use with solid-transfer vessel |
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115
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F
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| WA Addition funnel with Rotaflo stopcock, and 2mm glass stopcock on side-arm |
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100
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1-M,I-F
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| Z Double-tube recrystallizers, frit porosity 70-100 µm |
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4-M
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Filtration/Washing/Degassing:
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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
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Cap. (mL)
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S.T. Joint
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Catalog Number
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R Reaction and storage flask, Kjeldahl, with 2mm glass stopcock on side-arm
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125
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F
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150
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F
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100
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F
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| 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 |
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100
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1-M,I-F
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Filtration/ Washing:
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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
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Description
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S.T. Joint
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Catalog Number
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AA Straight adapter
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2-F
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HA Three-way adapter
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2-M, 1-F
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M Hex head stopper
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M
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Cap. (mL)
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S.T. Joint
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Catalog Number
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R Reaction and storage flask, Kjeldahl, with 2mm glass stopcock on side-arm
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125
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F
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150
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F
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100
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F
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| WA Addition funnel with 2mm Rotaflo stopcock, and 2mm glass stopcock on side-arm |
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100
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1-M,I-F
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| XC Double-ended filter with a 2mm glass stopcock on each of the two side-arms, frit porosity 25-50 µm |
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160
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2-M
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Transfer of Solids:
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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
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Description
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S.T. Joints
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Catalog Number
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AB Straight adapter with drip-tip
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2-F
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J Reducing adapter
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45/40F to 14/20M
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KA Female joint cap
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F
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KB Female joint cap
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45/40F
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L Male joint cap
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M
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Cap. (mL)
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S.T. Joints
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Catalog Number
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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
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75
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3-M
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| V Sealing tube for use with solid-transfer vessel |
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15
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F
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| XA Filter funnel with drip-tip and two side-arms each equipped with a 2mm glass stopcock, frit porosity 25-50 µm |
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100
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1-M,I-F
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Deoxygenation apparatus
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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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