Assertion: hexane | /r/HasSubevent | the development of 4 spots
Facets:
Source sentences:
text: Out of all tested solvent mixtures for elution, 5 ml hexane : .5 ml ethyl acetate and 4 ml hexane : 1 ml ethyl acetate both led to the development of 4 spots on the TLC plate, one of the criterion for an acceptable TLC solvent mixture.