Serological pipettes

Serological pipettes

For cell cultures and work with sterile solutions in the ml range, we offer serological pipettes with volumes of 1 ml, 2 ml, 5 ml, 10 ml, 25 ml and 50 ml. Made from transparent polystyrene and printed with a positive and negative scale, the products are suitable for all kinds of applications. The serological pipettes are compatible with all common pipettors, have an international colour code for differentiation and are available as individual sterile pipettes or in bags of 25 sterile pipettes.

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General

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    What is the dose accuracy of the Sarstedt serological pipettes?

    Our serological pipettes are tested in accordance with ISO 12771. The dose accuracies are below the following tolerance limits:

    50 ml pipette – better than +- 2% (+- 1,000 μl)

    25 ml pipette – better than +- 2% (+- 500 μl)

    10 ml pipette – better than +- 2% (+- 200 μl)

      5 ml pipette – better than +- 2% (+- 100 μl)

      2 ml pipette – better than +- 3% (+- 60 μl)

      1 ml pipette – better than +- 5% (+- 50 μl)

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    Why do the serological pipettes have a negative graduation which goes beyond the volume indicated?

    The negative graduation printed on the pipettes increases the possible pipetting volume of the values nominally indicated on the pipettes. In this way, if the nominally indicated volume of the pipette is exceeded slightly it is not necessary to use the next largest serological pipette, but rather an accurate pipetting process can be carried out with the pipette currently in use. Example: you are working with a 25 ml pipette but want to transfer 32 ml of liquid. The negative graduation means that this is also possible with the 25 ml pipette accurately and without any problems.

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