Normax Burette Clear Glass 10 ml (54 330 291)

Normax Burette Clear Glass, Schellbach Stripe – Class AS – 10 mL (54 330 291)

The Normax Burette 54 330 291 (10 mL) is a high-precision Class AS burette designed for micro-titration and analytical procedures requiring exceptional accuracy. Made from clear soda-lime glass, it ensures excellent optical clarity and durability, making it suitable for routine and regulated laboratory work. The burette features blue printed graduations that provide sharp, high-contrast visibility, while the integrated Schellbach stripe significantly improves meniscus contrast for precise endpoint reading. Its PTFE key stopcock delivers smooth, leak-free performance with outstanding chemical resistance. Supplied with a Certificate of Performance, this burette complies with ISO 385, ensuring traceable calibration and consistent volumetric accuracy.

Key Features

• Class AS precision ensures ultra-accurate measurement with minimal allowable error.

• PTFE key stopcock provides smooth, controlled flow and high chemical resistance.

• Schellbach stripe enhances meniscus visibility for precise volume reading.

• Blue printed graduations offer clear, sharp, and easy-to-read scale markings.

• Clear soda-lime glass provides excellent clarity and durability.

• Certificate of Performance verifies ISO 385–compliant calibration.

• 10 mL capacity is ideal for micro-titrations and small-volume analytical tasks.

Specifications

• Brand: Normax

• Model: 54 330 291

• Capacity: 10 mL

• Accuracy Class: Class AS

• Material: Clear soda-lime glass

• Graduation: Blue printed

• Stripe: Schellbach

• Stopcock Type: PTFE key

• Standard: ISO 385

• Certificate: Included

• Chemical Resistance: Very high

• Autoclavable: Yes

Applications

• Analytical titrations: acid–base, redox, EDTA, and precipitation reactions

• Pharmaceutical QC requiring validated volumetric accuracy

• Environmental laboratories: water quality, COD analysis

• Food & beverage QC: standard titration procedures

• Academic and research labs for precision titration training

Handling & Maintenance

• Rinse with deionized water before and after each use.

• Keep the PTFE key clean for smooth, leak-free operation.

• Store the burette vertically to prevent air bubble accumulation.

• Use only mild, non-abrasive detergents to preserve graduation markings.

Conclusion

The Normax 54 330 291 (10 mL) Class AS burette is a reliable, high-precision instrument built for exacting titration work. Its Schellbach stripe, robust PTFE stopcock, and ISO-certified calibration make it an essential choice for laboratories that require exceptional accuracy and consistent performance in micro-volume analysis.