2.1 The concept of uncertainty source explained on the example of pipetting

[@emadeddadu6945]

three sources of uncertainty exist, when delivering an exact volume of a liquid: personal error due to estimating the volume by eyes of the operator tolerance of the pipette effect of ambient temperature. well presented and v. good effort

[@agustinrasconchu7978]

Gracias !!

[@H7s7h]

thanks

[@idempotency]

cheers dracula