This document specifies a method for the determination of content of heavy extraneous materials larger than 3@15 mm by the use of sink-and-float separation combined with elutriation. This document is applicable to woody biomass in accordance with ISO 17225-1:2014@ Table 1. NOTE 1 This method is designed to determine the level of impurities larger than 3@15 mm top size with a specific density >1 g/cm3 such as stones@ glass@ rubber@ metal and certain types of plastics. NOTE 2 During the processing of the sample@ hand sorting of light impurities with a specific density ?? g/cm3 (e.g. plastic foil) can also be done.
EN ISO 19743:2017 history
2017EN ISO 19743:2017 Solid biofuels - Determination of content of heavy extraneous materials larger than 3@15 mm