I just discovered this awesome free ochem book on lab techniques downloadable here (you don’t need a Dropbox account):
https://open.umn.edu/opentextbooks/textbooks/organic-chemistry-laboratory-techniques
Also, the website is probably a more updated version and is an excellent gen chem and ochem resource. I keep referring to their content in my studies:
And the general link here:
They are such an awesome blessing to have!