The trendy supplement was originally developed as a fabric dye—and later used as a malaria treatment. We asked experts if it ...

Image Credit: Metrohm AG This was done by using a manual buret filled with titrant and adding each drop individually to an Erlenmeyer flask containing the sample solution (including the analyte to be ...

In many labs, you will see Erlenmeyer flasks used for shake cultures filled to 50% of the nominal volume, which is not a good idea, considering that most cultures are supposed to be aerobic ones.