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What is TC calibrated pipette?

TC = to contain; the pipette is calibrated to contain a defined amount of. liquid, but dispenses less; residual liquid remains on the. inside wall of the pipette.

How often do micropipettes need to be calibrated?

every 3 to 6 months
The Clinical and Laboratory Standards Institute (CSLI) recommends that pipettes (single and multi-channel) and automated liquid handlers be calibrated every 3 to 6 months. A minimum of two volumes must be tested (nominal and lowest setting) with ten replicates at each volume.

How often should Rainin pipettes be calibrated?

A good rule of thumb is to choose a valid calibration company that complies with testing standards and includes preventative maintenance. After that, you may wish to have your pipette performance tested every 6 months, especially if you use your pipettes daily.

What is TD and TC?

TC or TD abbreviated for “to contain” and “to deliver” respectively. In a ‘TC’ marked pipette, the contained quantity of the liquid corresponds to the capacity printed on the pipette, While in ‘TD’ marked pipette, the delivered quantity of liquid corresponds to the capacity printed on the pipette.

What is TC and TD glassware?

Glassware designed to contain, like graduated cylinders and volumetric flasks, are usually marked with a TC. Glassware designed to deliver, like pipets and burets, are marked with a TD. These pieces of glassware account for the small amount of liquid that remains behind.

What is the importance of calibrating your micropipettes?

Calibration of pipettes is of great importance for accurate and precise pipetting results. Furthermore, also the ambient conditions such as air pressure, humidity, temperature and even the altitude affect every pipetting event.

What is calibration data?

Calibrated data are data to which calibration settings have been applied, prior to the application of data settings, as shown in the Variable Properties flow diagram. Calibration settings for variables can be changed by specifying values in an Echoview Calibration Supplement file.

What do you need to know about Pipette calibration?

Calibration of pipettes means determining the difference between the dispensed volume and selected volume. Calibration of pipettes in a quality system. The main objective of pipette calibration in a quality system is to ensure that dispensing is carried out with the intended accuracy.

How often should a pipette be cleaned and lubricated?

If the pipette is used daily, it should be cleaned and lubricated at least every three months. The service procedure starts with the disassembly of the pipette. Detailed instructions for the disassembly can be found in the Instructions for Use. The calibration must always be checked after cleaning.

How to check the calibration of a finnpipette?

Procedure to check calibration The pipette is checked with the maximum volume (nominal volume), and the minimum volume, and/or 10 percent of the maximum volume, whichever is higher. For example, Thermo Scientific Finnpipette 0.5–10μl is tested at 1μl and 10μl.

How many dispenses are in a 300ul pipette?

2 volumes tested x 10 dispenses per volume. Volume tested are nominal and full volume of pipette. Example 300ul Pipette will be 30ul / 300ul 3 volumes tested x 5 dispenses per volume.