Straight Burette Class B

This product has multiple variants. The options may be chosen on the product page Select optionsThis product has multiple variants. The options may be chosen on the product page
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Burette with Straight Bore and PTFE Key Stopcock, Class B Accuracy, Borosilicate Glass (BORO 3.3)

From $38.20 (Ex GST)

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Straight burettes Class B supplied by LabChoice Australia provide dependable and accurate volumetric dispensing for teaching laboratories, routine titration work and general analytical workflows. Manufactured from high clarity BORO 3.3 borosilicate glass that complies with ISO 3585 and ASTM E438 Type 1 Class A standards, these burettes offer strong chemical durability, thermal stability and long service life. Class B accuracy follows the tolerance limits defined in ISO 385 and ASTM E287, providing reliable measurement performance suitable for education, training and routine quality control tasks.

Each straight burette features clear, permanently fused graduation markings that support easy meniscus reading during titration. The uniform internal bore ensures stable liquid flow, while the precision engineered stopcock assembly provides controlled reagent delivery. PTFE stopcock variants offer excellent chemical resistance for use with acids, alkalis and common titrants, while glass stopcock models provide robust sealing for everyday laboratory applications. The transparent BORO 3.3 glass body enables clear visual tracking of liquid level and endpoint colour changes.

Class B straight burettes are widely used in high school and university teaching laboratories, water testing facilities, industrial QC departments and general wet chemistry environments. Their dependable accuracy makes them suitable for routine titrations, approximate volumetric measurements, reagent preparation and demonstration of analytical techniques where Class A precision is not required. Their robust construction ensures consistent performance across repeated classroom and practical sessions.

All straight burettes Class B supplied by LabChoice Australia undergo ISO 9001 aligned quality control inspection. This includes verification of ISO 385 volumetric tolerances, stopcock leakage and smoothness testing, graduation clarity assessment, dimensional accuracy checks and material compatibility evaluation conducted according to ASTM D543 polymer resistance guidelines for PTFE components. BORO 3.3 bodies are further validated for conformity with ISO 3585 and ASTM E438 requirements to ensure structural reliability and thermal performance. These rigorous measures ensure safe, dependable and long lasting use in laboratories requiring accurate volumetric equipment.