VWR® HF Bottle Top Dispensers

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Designed with ergonomics and intuitive handling in mind, HF bottle top dispenser helps in dispensing Hydrofluoric Acid with safety and precision.

Springless Valve™ for smooth and jam-free functioning
PTFE piston with ETP O-Ring for effortless piston movement and high chemical compatibility
Easy and effortless volume setting
Flexible delivery nozzle to change angle of dispensing
Dispensers is fully autoclavable at 121 °C and 15 psi for a duration of 10 to 15 minutes
Reproducibility of 0.2%

HF bottle top dispenser is designed with selected materials for barrel and valve assembly that enable the dispenser to be used with Hydrofluoric Acid (HF) in addition to solvents and other reagents.

Designed with ergonomics and intuitive handling in mind, HF bottle top dispenser exhibits excellent chemical compatibility and helps in achieving precision with reliability in practical laboratory environments. This dispenser uses a re-circulation valve which prevents the loss of reagents during purging by re-directing them into the mounted bottle, thus facilitating bubble free dispensing.

A specially designed volume adjustment knob of this dispenser allows 180° rotation for easy and effortless volume setting.

Certifications: Meets ISO 8655 standard for accuracy and precision, Manufacturing Standards: ISO 9001, ISO 13485, ISO 17025 and Product Certification: CE

Ordering information: Each unit includes a telescoping suction tube, recirculation tube, five thread adapters (28, 32, 38, 40 and 45 mm) and an individual quality control certificate that documents the serial number and test values, and confirms the conformity according to weights and measures regulations as per ISO 8655.

Caution: Maintain instrument and reagent temperature between 10 to 40 °C (From 50 to 104 °F). Maintain reagent vapor pressure up to 600 mbar (maximum). Aspirate slowly above 300 mbar pressure in order to prevent the liquid from boiling. Kinematic viscosity up to 500 mm²/s. Relative air humidity between 20% and 90%. Use fluids with density up to 2.2 g/cm³.

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