General Catalogue Chemistry - BECO Internacional LTDA.

Distillation top
Cat. No. Grind Remark
Double-neck top after Ansschütz.
665 311
665 312
3 ST 19/26
3 ST 29/32
Distillation top after Claisen.
665 313
665 314
Distillation top.
665 316
665 317
665 318
Distilling column after Vigreux
Cat. No. Length Grind
665 444
665 443
2 ST 19/26 with 2 GL 18 threaded fittings for
3 ST 29/32 thermometer and boiling capillary
– Screw cap for thermometer
and tubing 7...8 mm dia.
2 ST 19/26 with 1 GL 18 thread connector
2 ST 29/32 for thermometer
300 mm 2 x 29/32
200 mm 2 x 19/26
665 450
Bubble cap column
Distillation tops
Column without sleeve, suitable for packing
with filler bodies (Raschig rings, glass beads).
Cat. No. Length Grind
665 439
665 440
with 2 trays, for demonstration of fractional
counterflow distillation.
Overall length: 280 mm
Scope of delivery
2 ST 29/32 fittings
2 Stopcocks, St 14.5 for tapping the fractions
2 GL 18 screw thread connectors for thermometers
2 GL 18 screw thread connector with drain
tube
250 mm 2 ST 19/26
250 mm 2 ST 29/32
glass, plastic and porcelain ware
665 311
Distillation tops
665 313
665 316 665 317
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