What is pipette and its uses?
To transport a measured volume of liquid
How do you use a pipette and pipette pump?
Submerge the end of the pipette into the solution and turn the operating wheel with the thumb. Fluid will be drawn into the pipette. To expel fluid, turn the wheel in the opposite direction. For fast emptying, press down on the plunger top.
What are the advantages of using a pipette?
It’s common to use measuring cylinders for handling potentially harmful substances, but there are advantages to using a pipette instead. Unlike a measuring cylinder, a pipette will be more accurate with all of the sample, accounting for every drop of the substance being held within the tool.
What is burette used for?
Burette is a laboratory apparatus commonly used to dispense and measure variable amounts of liquid or sometimes gas within chemical and industrial testing specially for the titration process in volumetric analysis. Burettes can be specified according to their volume, resolution, and accuracy of dispensing.
Why do we need a burette?
A burette is a volumetric measuring glassware which is used in analytical chemistry for the accurate dispensing of a liquid, especially of one of the reagents in a titration. The precision and control of the burette over other means of adding solution is beneficial for use in titration.
What is the difference between burette and pipette?
A burette is a graduated glass tube with a tap at one end, for delivering known volumes of a liquid, especially in titrations. Burettes have a stopcock at the bottom while a pipette has a dropper like system that releases liquid in the desired amount by lessening the vacuum.
What does a pipette pump do in a laboratory?
Pipettes are an essential laboratory tool used to dispense measured volumes of liquids. Pipettes most commonly work by creating a partial vacuum above the chamber that holds the liquid and selectively releasing this vacuum to draw up and dispense according to the preferred volume.
What are the uses of a transfer pipette?
They are used for liquid transfers that are free from pathogenic microorganisms. For tissue culture and microbiology experiments, Next Day Science has pre-sterilized transfer pipettes that can be heat sealed to store airtight samples. They are excellent for applications involving tissue cultures.
Why do you need a repeat pipette dispenser?
This type of pipette allows a technician to set and dispense a specific volume into multiple receptacles without having to aspirate in between dispenses. This multidispensing capability saves time and effort. The repeat pipette dispenser has a different design than the typical pipette.
What is the purpose of a measuring pipette?
Measuring pipettes have graduated volumes, like a graduated cylinder, and can dispense different volumes. Measuring pipettes are calibrated with small divisions and are often adjustable, allowing users to accurately draw up the necessary amount of liquid.