Burette with Straight PTFE Stopcock and Schellbach Stripe, Class A ISO 385

Class A burette calibrated by delivery (TD, Ex) to ISO 385. Straight PTFE stopcock and Schellbach stripe for clean, unambiguous meniscus reading.

Specifications

• Class: A, to ISO 385
• Calibration: By delivery (TD, Ex)
• Stopcock: Straight, PTFE — grease-free, maintenance-free
• Schellbach stripe: Yes — aids precise meniscus reading
• Upper end: Integrated funnel for fast, safe filling
• Batch certificate: Included, free download

Applications

Acid-base, redox, complexometric and precipitation titrations. Used in analytical chemistry, quality control, pharmaceutical and university teaching laboratories. The Schellbach stripe is particularly useful with clear solutions where the meniscus is difficult to read.

Why PTFE for the Stopcock

PTFE stopcocks eliminate the need for lubricating grease — removing a common source of sample contamination and preventing seizing or dripping. Resistant to acids, bases and organic solvents without degradation.

Traceability

Each burette ships with a downloadable batch certificate at no charge. Documentation ready for quality audits and ISO 17025 accreditation.