Beschrijving
BOLA standard ground joint reduction set NS 14 – NS 60 is a PTFE laboratory set of individual reduction rings for adapting standard ground joints across common glassware sizes. The set comprises separate rings in the steps NS 14, NS 19, NS 24, NS 29, NS 34, NS 45 and NS 60, so users can build the required reduction or expansion between apparatus components without changing the whole joint system. Each ring is made of polytetrafluoroethylene (PTFE), offering strong chemical resistance for work with aggressive reagents, solvents and corrosive media. Joint height and ground length are 20 mm, giving a practical engagement length for stable seating in laboratory glassware. Supplied as one complete set with a net weight of 0,1148 kg, this reduction assortment from manufacturer Bohlender supports flexible configuration of distillation trains, reactors and receivers. PTFE construction helps maintain purity and durability where metal adapters or elastomers would be unsuitable, and the modular ring format keeps transitions compact and easy to reconfigure on the bench.
This article is part of Ground-joint glassware (other), in Distillation & extraction glassware.
Key features
- Pack size: 1 set
- Material: Polytetrafluoroethylene (PTFE)
- Joint size range: NS 14 – NS 60
- Reduction steps: NS 14 / 19 / 24 / 29 / 34 / 45 / 60
- Joint height: 20 mm
- Technical Information Sheet:
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Questions about BOLA Ground Joint Reducing Set, NS 14,5 - NS 60 Graduations: 14,5 - 18,8 - 24 -
What is this article?
BOLA Ground Joint Reducing Set, NS 14,5 - NS 60 Graduations: 14,5 - 18,8 - 24 - is the article on this page. Luminix Health distributes Bohlender for laboratory use. It sits in Slijpstukglaswerk (overig), inside Destillatie- & extractieglaswerk, in Labmateriaal.
This is ground-joint glassware that is not a head, a condenser or a Soxhlet: receivers, blank joints, odd adapters. A ground joint is named by the wide end and the length, such as 29/32. Mismatched joints do not seal, even with grease.
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 Destillatie- & extractieglaswerk. The sub-category is Slijpstukglaswerk (overig). The catalogue is Labmateriaal.
Shelves beside this one are Destillatiekoppen, adapters & kolommen, Koelers and Soxhlet- & extractieapparatuur.
What should I check before I order?
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.