Friday, 20 May 2022

Comparing the properties of oil fractions


 I have done this experiment many times and each time with this source of synthetic crude oil the first fraction burns and so does the second, but not the third of the fourth but the fifth and sixth do

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Learning to use a simple microtome

  We took a slice of a transverse section through a rosemary leaf using a microtome and a cut-throat razor, taking ever-thinner slices until...