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Cold trap, 100 ml, cone/socket NS 29/32 with lateral connections cone/socket NS 29/32 is a two-part laboratory glassware item for condensing vapours in vacuum and distillation systems. Made from borosilicate glass 3.3, it delivers high chemical resistance and thermal stability for routine laboratory use. The lower section carries a cone NS 29/32 and the upper section a matching socket NS 29/32; both side arms are likewise fitted with cone and socket NS 29/32 joints for flexible integration into existing apparatus. A Keck clamp is supplied to secure the two halves during operation. This cold trap from manufacturer Rettberg is well suited to rotary evaporation, freeze-drying, Schlenk-line work and other vacuum processes where solvent vapours must be trapped before reaching the pump. The 100 ml capacity matches bench-scale experiments, while the standardised ground joints ensure compatibility with common NS 29/32 glassware. Net weight is 0,232 kg, combining robustness with convenient handling. The two-piece construction also simplifies cleaning and maintenance between runs.
This article is part of Distillation heads, adapters & columns, in Distillation & extraction glassware.
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Questions about Cooling trap, 100 ml, cone size 29/32, socket size 29/32, side connections
What is this article?
Cooling trap, 100 ml, cone size 29/32, socket size 29/32, side connections is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Distillation heads, adapters & columns, inside Distillation & extraction glassware, in Labmateriaal.
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 Distillation & extraction glassware. The sub-category is Distillation heads, adapters & columns. The catalogue is Labmateriaal.
Shelves beside this one are Condensers, Ground-joint glassware (other) and Soxhlet & extraction apparatus.
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When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

