Normally walnut shell removes ...
Published by Ademar Cesar Ferreira, Partner Director at H2O Engenharia Ltda EPP
Normally walnut shell removes some dissolved hydrocarbons. As probably you know oil analysis uses a solvent that extracts organics that are soluble on it. So, if you are using n-hexane to analyse oil all hydrocarbons that are extracted with oil will be included in your analytical result.