EN ISO 16703 pdf download Soil quality — Determination of content of hydrocarbon in the range C to C by gas chromatography 3Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 hydrocarbon content (by gas chromatography) sum of compounds extractable with acetone/n-heptane (2+1) that do not adsorb ona Florisil1) column and can be...