Description
Glass set G5 NS 29/32 is a cold trap for low-boiling solvents that functions as a dry ice cooler in rotary evaporator systems. The complete assembly includes one 1000 ml evaporating flask and one 1000 ml receiving flask. Standard ground joint size is NS 29/32; the alternative NS 24/29 joint configuration is available on request. An aeration cap without ground-joint connections is supplied to support simple handling and grease-free evaporation. An optional aeration valve offering a precise redosing function can be obtained separately. This glass set is not suitable for the automatic distillation programme Dynamic AUTO accurate when used with Hei-VAP Expert or Ultimate Control models. Glass sets for Soxhlet extraction and descending cooling systems are likewise available on request. Offered by manufacturer Heidolph, the G5 configuration is intended for laboratory distillation workflows that require efficient condensation and recovery of highly volatile solvents under dry-ice cooling. It provides a practical, ready-to-use glassware solution for routine solvent handling and specialised evaporation tasks in research and quality-control environments.
This article is part of Distillation heads, adapters & columns, in Distillation & extraction glassware.
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Questions about Glassware G5 NS 29/32
What is this article?
Glassware G5 NS 29/32 is the article on this page. Luminix Health distributes Heidolph for laboratory use. It sits in Distillation heads, adapters & columns, inside Distillation & extraction glassware, 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 Distillation & extraction glassware. The sub-category is Distillation heads, adapters & columns. The catalogue is Matériel de laboratoire.
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.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

