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Amber Volumetric Flask Class A supplied by LabChoice Australia is engineered for high accuracy preparation of standards, calibration solutions, dilutions and quantitative analyses where light protection is essential. Designed for analytical chemistry, QC and teaching laboratories, amber volumetric flasks reduce photodegradation of light sensitive reagents and analytes such as iodine solutions, silver salts, vitamins, dyes, plant extracts and many organics, while still delivering Class A volumetric accuracy for reliable results.
Manufactured from premium BORO 3.3 borosilicate glass, these flasks are selected for strong chemical resistance and excellent thermal stability in routine laboratory handling. BORO 3.3 glass quality aligns with ISO 3585 and ASTM E438 Type 1 Class A expectations for borosilicate laboratory glass, supporting long service life in aggressive aqueous solutions, common acids and solvents used in analytical workflows. The amber body provides consistent light attenuation without compromising the functional clarity needed to observe solution behaviour and ensure correct filling technique.
Each Amber Volumetric Flask Class A is produced to Class A tolerance requirements in accordance with ISO 1042 (one mark volumetric flasks) and ASTM E288 dimensional and performance expectations, ensuring dependable volumetric accuracy at the stated reference temperature, typically 20°C. The narrow neck and single calibration line are designed to support precise meniscus setting, while the flask geometry promotes efficient mixing when making up to volume. Stopper options, commonly supplied in chemically resistant polymer or matched glass where applicable, are selected to maintain a secure seal and minimise evaporation or contamination during preparation and storage.
All amber Class A volumetric flasks supplied by LabChoice Australia are sourced with ISO 9001 aligned quality management controls and inspection routines focused on metrological performance. Typical QC checkpoints include calibration line verification, capacity conformity assessment, dimensional checks on neck and seating surfaces, visual inspection for inclusions or surface defects, and functional fit testing of the stopper to support leak resistant storage. This ensures the flask performs as a true Class A volumetric vessel, suitable for laboratories requiring traceable, repeatable solution preparation with added protection for light sensitive chemistry.