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The Mettler Toledo service business provides uptime and calibration services as well as value-added services for various market needs, including regulatory compliance, performance enhancements, application expertise and training, and remote services. The company offers specialized services to pharmaceutical customers, ensuring compliance with U ...
AFMETCAL (Air Force METrology and CALibration Program Office), located in Heath, Ohio is the primary manager of metrology services for the U.S. Air Force.It retains engineering authority for all calibrations performed in the PMEL labs throughout the Air Force, and oversees the contractor managed and operated Air Force Primary Standards Lab (AFPSL).
Move the pipette to the receiving vessel and dispense the liquid by gently pressing the pipette knob to the first stop. After about one second, keep on pressing pipette knob to the second stop. This action will completely empty the tip from the liquid. Afterwards withdraw the tip from the liquid and release the pipette to the ready position.
(These are for Class A pipettes; Class B pipettes are given a tolerance of twice that for the corresponding Class A.) A specialized example of a volumetric pipette is the microfluid pipette (capable of dispensing as little as 10 μL) designed with a circulating liquid tip that generates a self-confining volume in front of its outlet channels. [3]
Move the pipette to the receiving vessel and dispense the liquid by gently pressing the pipette knob to the first stop (#3). Withdraw the tip from the liquid. Some liquid will remain inside the tip. The liquid remaining in the tip can be dispensed back into the original solution (#4) or thrown away. Release the pipette thumb to the ready ...
Pipettes come in several designs for various purposes with differing levels of accuracy and precision, from single piece glass pipettes to more complex adjustable or electronic pipettes. Many pipette types work by creating a partial vacuum above the liquid-holding chamber and selectively releasing this vacuum to draw up and dispense liquid ...
A small pipette allows for more precise measurement of fluids; a larger pipette can be used to measure volumes when the accuracy of the measurement is less critical. Accordingly, pipettes vary in volume, with most measuring between 0 and 25.0 millilitres (0.00 and 0.88 imp fl oz; 0.00 and 0.85 US fl oz). [2]
Glass pipettes are used to transfer precise quantities of fluids. Glass Ebulliometers are used to accurately measure the boiling point of liquids. [18] Other examples of glassware includes: Stirring rods are glass rods used to mix chemicals. Condensers are used to condense vapors by cooling them down and turning them into liquids. [19]
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