DURAN® Amber Glass Volumetric Flask 200 ml, Class A, White Graduation, PE Stopper – Volumetric Flask NS 14/23

Introduction to Duran 200 ml amber volumetric flask

The DURAN 200 ml amber volumetric flask (code 246763257) from Duran (Germany) is a dedicated Class A volumetric measuring instrument for laboratories. Crafted from amber borosilicate 3.3 glass, it protects light-sensitive solutions from UV and light degradation. The flask comes with a polyethylene (PE) stopper and standard ground joint NS 14/23, ideal for standard solution preparation and safe storage.

Outstanding features

• Manufactured from amber borosilicate 3.3 glass to block strong light radiation and UV rays, providing optimal protection for light-sensitive compounds.
• Class A accuracy certified, complete with a batch certificate supporting quality traceability.
• The flask body features a high-contrast white ring mark, allowing technicians to easily observe and align the liquid meniscus.
• Equipped with a durable polyethylene (PE) stopper combined with a standard NS 14/23 ground joint for a tight seal.

Applications

• Preparing, calibrating, and making up standard solutions in chemical and pharmaceutical testing laboratories.
• Diluting and handling analytical samples, active ingredients, or chemicals sensitive to sunlight and UV rays.
• Temporary storage of solutions after preparation to minimize the risk of photochemical decomposition.

Frequently Asked Questions

Does this Duran 200 ml volumetric flask come with a certificate?
The product meets Class A accuracy and is supplied with a batch certificate from the manufacturer Duran.

What type of stopper and ground joint size does the flask use?
The flask is equipped with a polyethylene (PE) stopper and standard ground joint size NS 14/23.