Definitive Guide to Using Quality Bottle Dispensers to Release the accurate volume in Labs

A bottle top dispenser is a typical scientific tool used to accurately dispense chemicals and reagents, organic and inorganic solvents, oils, and other materials from bottles or other containers. Manual dispensing has various dangers, including the possibility of chemical spills, faulty measures, and even catastrophic lab mishaps. Bottle Top Dispensers are the preferred scientific tool for safely and precisely dispensing chemicals in a laboratory setting in order to avoid such risks and improve lab safety.

They could securely dispense a predetermined volume of liquid, often between 1 and 100 ml, from a bottle into a receiving container. A piston, glass barrel, volume adjustment knob, dispensing nozzle, nozzle cap, inlet tube, and bottle adaptors are the parts of a bottle top dispenser.

Any dispenser for bottle top dispenser can be used with ease. To reduce the possibility of spillage or other laboratory incidents, however, proper setup guidelines must be followed:

Check the calibration report

·         One should begin by looking at the bottle top dispenser's calibration report.

·         The report has to demonstrate that the dispenser was calibrated at a facility with ISO 17025 certification.

·         The instrument's performance can be estimated by considering the error limits listed on the calibration report.

 Choose the correct adapter

·         The instrument comes with a set of bottle adapters to help attach the dispenser to several reagent bottles of common sizes.

·         For the most part, adaptors are built of polypropylene (PP) to prevent chemical reactions. Aggressive acids and solvents can be utilized with ETFE/PTFE adaptors.

·         The correct adaptor should be chosen based on the reagent bottle's neck size.

·         The adapter is available in a variety of sizes, including 28mm, 32mm, 38mm, 40mm, and 45mm.

Attach the inlet telescoping tube

·         The telescopic tube can be changed to fit the size and height of the bottles before being fastened to the base of the bottle top dispenser.

Attach the dispenser to the reagent bottle

The dispenser should be mounted on the reagent bottle and snugly screwed on after the inlet tube has been connected to it.

 Purge the Bottle Top Dispenser

Air bubbles should be eliminated from the dispenser barrel since they could result in inaccurate liquid distribution. The steps listed below should be followed to remove air bubbles:

·         The BEATUS and ULTIMUS bottle top dispensers from Microlit are the only ones with this capability; to activate it, turn the recirculation knob 90 degrees counterclockwise.

·         Several times aspirate and dispense until this barrel is bubble-free.

·         Rotate the recirculation knob counterclockwise in the direction of the dispensing nozzle to turn it off.

·         To guarantee bubble-free distribution, aspirate before distributing.

Set the right volume

·         The user must ascertain the volume (in ml) needed for the experiment before they may start dispensing.

·         In all of Microlit's bottle top dispensers, there is a volume adjustment knob called the EasyKnobTM. For locking and unlocking, it permits 180° rotation, making volume adjustment quick and precise.

Dispense

Put on protective clothing and gloves and eye and hand protection. Splashes must be prevented by distributing slowly. The following safety guidelines need to be followed:

·         Remove the discharge tube's cap.

·         Using the volume adjustment knob, control the amount of liquid that will be dispensed.

·         Activate the "Dispensing" valve.

·         Lift the piston slowly all the way up. Until the piston reaches the bottom and all the liquid in the barrel is released, slowly and steadily press the piston downward with little force.

·         Clean the discharge tube up against the receiving vessel's interior wall.

Bottle top dispensers are thought of as straightforward devices for handling liquids and dispensing predetermined liquid volumes into vessels. Bottletop dispensers, however, can help with a wide range of applications and improve the speed, safety, and dependability of routine laboratory work when used with the right accessories. Highly aggressive chemicals should be handled with extra care as they can damage a variety of components in the lab and on the bottle top dispenser. The material selection for the components that come into direct contact with liquid determines the tool's chemical stability and expands its application in the chemical industry. To allow carefree handling of highly aggressive chemicals, additional accessories like ETFE adapters further boost chemical stability.

As you can see, selecting the appropriate accessory for your bottle top dispenser will help you save time, effort, and risk, as well as safeguard your samples.

To know more about the Microlit Bottle Top Dispensers, please visit our product page at https://www.microlit.us/ or email us at info-usa@microlit.com.

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