Description
Claisen distilling head NS 14/23 is a ground-joint glass adapter built for laboratory distillation setups that combine different joint sizes. It features two NS 14/23 sockets, an NS 19/26 flask connection and an NS 14/23 condenser joint, enabling a flask with a larger neck to be linked to standard NS 14/23 condenser and accessory lines. The Claisen configuration provides a side path for a thermometer, addition funnel or other fitting while vapour is directed toward the condenser, supporting fractional and simple distillation in synthetic and analytical work. With a net weight of 0,048 kg and supplied as one piece, the head integrates cleanly into existing glassware trains. Manufactured by Witeg, it is intended for routine use where mixed NS 19/26 and NS 14/23 joints must be bridged without custom adapters. Laboratories performing organic preparations, solvent recovery or sample work-up benefit from the dual-socket layout and standardised ground joints for reliable, leak-resistant connections throughout the distillation path.
This article is part of Distillation heads, adapters & columns, in Distillation & extraction glassware.
Key features
- Pack size: 1 pc
- Design: Claisen distilling head
- Sockets: 2 × NS 14/23
- Flask joint: NS 19/26
- Condenser joint: NS 14/23
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Verrerie de distillation & d'extraction
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Têtes de distillation, adaptateurs & colonnes
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Questions about Claisen heads, with 2 sockets ST 14/23,
What is this article?
Claisen heads, with 2 sockets ST 14/23, is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Têtes de distillation, adaptateurs & colonnes, inside Verrerie de distillation & d'extraction, in Matériel de laboratoire.
A still head, an adapter or a column is the glass between the boiling flask and the condenser. A Vigreux or packed column gives the vapour a surface so a closer-boiling mixture can separate. The joint sizes at both ends have to match the flask and the condenser.
Distillation separates liquids by boiling point. A condenser turns the vapour back into liquid: Liebig, coil and cold-finger shapes differ in how much cooling surface they offer. A still head and a column sit between the flask and the condenser. A Soxhlet extractor washes a solid again and again with the same solvent. Ground joints have a standard size, and the joint, not the flask, is what has to match. The pieces are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Verrerie de distillation & d'extraction. The sub-category is Têtes de distillation, adaptateurs & colonnes. The catalogue is Matériel de laboratoire.
Shelves beside this one are Condenseurs, Verrerie à rodage (autre) and Appareils Soxhlet & d'extraction.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.