A PLUS Jointed Round‑Bottom Flask – 50ml, 14/23 Joint

The A PLUS Jointed Round‑Bottom Flask (50ml, 14/23) is part of a high‑quality yet exceptional‑value range of ASTM‑accredited 3.3 borosilicate glassware. Fully compatible with Quickfit® components, this flask delivers professional laboratory performance while remaining economical for schools and teaching labs.

The traditional round‑bottom design ensures efficient, even heat distribution, making the flask ideal for reflux reactions, heating, boiling, distillation setups, and small‑scale synthesis. Its precision‑ground 14/23 joint provides a secure, leak‑free connection in any jointed glassware system, ensuring safe and reliable operation.

Key Features

• 50ml round‑bottom flask with 14/23 joint
• Manufactured from 3.3 borosilicate glass for excellent chemical and heat resistance
• ASTM accredited for dependable laboratory performance
• Compatible with Quickfit® jointed glassware
• Ideal for reflux, distillation, heating, and small‑scale chemical synthesis
• Durable, clear laboratory glass designed for repeated use

Ideal for School Science Lessons

Suitable for GCSE, A‑Level, IB, and undergraduate chemistry, this 50ml round‑bottom flask supports a wide variety of curriculum‑linked practicals. Its size makes it ideal for smaller‑scale reactions, helping reduce chemical waste while still enabling accurate, high‑quality experimental work.

• Perfect for reflux reactions in organic chemistry
• Forms part of distillation apparatus using jointed glassware
• Useful for heating and mixing moderate small‑volume reaction samples
• Supports technician‑prepared class practicals and demonstrations
• Helps students practise real‑world laboratory glassware techniques

Strong, reliable, and cost‑effective, the A PLUS Jointed Round‑Bottom Flask 50ml (14/23) is an essential addition to any school or laboratory glassware collection.