DISTILLATION
149
Heads
Variable Reflux Distillation Head with PTFE Plugs (Large) • Rotation of cold finger condenser allows collection of distillate or return to flask • Standard Taper outer joint at top requires a 75 mm immersion thermometer • Stopcocks have PTFE plugs • The top and bottom are 821001-0002 and the middle is 822001-0002 • Distillate can be removed or receivers changed using PTFE stopcocks • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
Short Path Vigreux Distillation Head •
Design uses Vigreux indentations for increased surface area within the vapor path. This promotes better refluxing prior to condensation, yielding a better separation With a Standard Taper thermometer in place, the bulb and stem serve as column packing
•
• Closely coupled condenser and vacuum connections provide a short condensate travel path • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
Standard Taper Joints
Fits Tubing ID (inches)
Part Number
Case Qty
Standard Taper Joints
Fits Tubing ID (inches)
287120-0000
14/20
0.25
1
Part Number
Case Qty
Vacuum Jacketed Vigreux Distillation Head with Condenser and Two Thermometer Joints • Jacketed Vigreux distillation head with two Standard Taper joints for 25 mm immersion thermometers
287630-0000
14/20
0.25
1
• •
Integral West condenser is braced for strength Drip joint on the condenser may be connected to a variety of receivers Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
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Accessories
Part Number
Description
Case Qty
Cold Finger Condenser, 14/20 Joint, 1/4” Hose Connection, Approx. Overall Height 165 mm, Approx. Length Below Joint 100 mm, Standard Taper, Lower Drip Tip
Standard Taper Joints
Fits Tubing ID (inches)
Part Number
Case Qty
282000-0000
1
287450-0000
14/20
0.25
1
Accessories
Part Number
Description
Case Qty
Receiver, Graduated Tube, 14/20 Joint Size, 12mL, Grad. x Subdiv. 0-2 x 0.1mL and 2-12 x 0.2mL, Overall Length 142mm Size 14 Polyacetyl, Standard Taper Clamp, Yellow, Fits joint sizes 14/20, 14/35
288251-0000
1
Variable Reflux Distillation Head with PTFE Plugs (Small) • Rotation of cold finger condenser allows collection of distillate or return to flask • Stopcocks allow removal of the product or a receiver change without interrupting the distillation • Lower receiver joint has a drip tip • Standard Taper 10/30 outer side joint accepts a 75 mm immersion thermometer • Stopcock plugs are PTFE • Top and bottom plugs are 821001-0004 and the side is 824001-0004 • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
675300-0014
12
Variable Reflux Distillation Head with Glass Plugs • Rotation of cold finger condenser allows collection of distillate or return to flask • Stopcocks allow removal of the product or a receiver change without interrupting the distillation • Lower receiver joint has a drip tip • The distance between column/condenser top and bottom stopcocks is 135 mm • Standard Taper 10/30 outer side joint accepts a 75 mm immersion thermometer • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
Column Standard Taper Joints
Condenser Standard Taper Joints
Part Number
Case Qty
Standard Taper Joints: Column, Others
Fits Tubing ID (inches)
Part Number
Case Qty
518530-2440
24/40
29/42
1
518500-2440
24/40, 29/42
0.375
1
Accessories
Part Number
Description
Case Qty
Accessories
Cold Finger Joint, 29/42 Joint, 3/8” Hose Connection, Approx. overall height 305 mm, Approx. length below joint 195 mm, Standard Taper, Lower Drip Tip
Part Number
Description
Case Qty
518501-0000
1
Cold Finger Joint, 29/42 Joint, 3/8” Hose Connection, Approx. overall height 305 mm, Approx. length below joint 195 mm, Standard Taper, Lower Drip Tip
518501-0000
1
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