[DWK Life Sciences] Product Overview

DISTILLATION

148

Heads

Distillation Head with a Condenser and Medium Length Standard Taper Joints Distillation head with a condenser sealed to the vertical tube • Standard Taper 14/20 outer joint on the vertical tube can be converted to a thermometer joint using the 273500, size 21 bushing adapter • The height of this joint is fixed in relation to the side arm, permitting use of 25 mm immersion thermometers • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Short Path Improved Distillation Head • Excellent for use when distilling solvents with medium to high boiling points • Designed with a combination cold coil and Leibig condenser • Water flows into the middle hose connection through the coil and exits the outer jacket through the top hose connection • Top outer joint is Standard Taper 10/30 for use with a 51 mm immersion thermometer • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Standard Taper Joints

Part Number

Condenser Joint Case Qty

Standard Taper Joint: Lower

Fits Tubing ID (inches)

Part Number

Case Qty

286900-0000

14/20

14/35

513810-2440

24/40

0.375

Distillation Head with a Condenser and Full Length Standard Taper Joints Distillation head with condenser and full length standard taper joints. • Simple take-off unit with a condenser sealed to the adapter at a 75° angle • With bottom and side Standard Taper inner drip joints • Standard Taper 10/30 outer joint on top accepts a 75 mm immersion thermometer • Hose connections are designed to fit 3/8” ID flexible tubing • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Short Path Improved Vigreux Distillation Head • Excellent for use when distilling solvents with medium to high boiling points • Designed with a combination cold coil and Leibig condenser • Vigreux indentations improve efficiency • Water flows into the middle hose connection and through the coil and exits the outer jacket through the top hose connection • Top outer joint is Standard Taper 10/30 for use with a 51 mm immersion thermometer • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Standard Taper Joints

Thermometer Standard Taper Joint

Part Number

Case Qty

514000-2440

24/40

10/30

Standard Taper Joint: Lower

Fits Tubing ID (inches)

Short Path Distillation Head •

Part Number

Case Qty

When a Standard Taper thermometer is inserted in the top of this apparatus, the bulb and stem serve as column packing Close-coupled condenser and vacuum connection offer an extremely short condensate travel path

513850-2440

24/40

0.375

•

Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Vacuum Jacketed Vigreux Distillation Head with Condenser • Distillation head with a condenser sealed to a jacketed Vigreux distilling column • Standard Taper thermometer joint on the top of the vertical column • Vacuum adapter section of this apparatus takes a 287902 distribution adapter and four receiving flasks • Joints may be held with springs or Standard Taper polyacetal clamp • Stabilizing bar runs perpendicularly between vertical column and vacuum adapter • 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

287100-0000 287110-0000 513750-0000 513750-2942

14/20 19/22 24/40 29/42

0.25 0.25

1 1 1 1

0.375 0.375

Short Path Vacuum Jacketed Distillation Head • Vacuum-jacketed design for more efficiency •

When a Standard Taper thermometer is inserted in the top of this apparatus, the bulb and stem serve as column packing

Standard Taper Joints

Fits Tubing ID (inches)

Part Number

Case Qty

• The close-coupled condenser and vacuum connection offer an extremely 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

287320-0000

14/20

0.25

Accessories

Standard Taper Joints

Fits Tubing ID (inches)

Part Number 287902-0000

Description

Case Qty

Part Number

Case Qty

Distribution Adapter for 287900

287150-0000 513770-0000

14/20 24/40

0.25

1 1

Size 14 Polyacetyl, Standard Taper Clamp, Yellow, Fits joint sizes 14/20, 14/35

675300-0014

0.375