The fluor content of the sample will be obtained by destillation with overheated water vapor of a solution in phosphoric acid or by pyrolitic treatment in a humid oxygen flow. In the obtained solution the fluorid content will be determined by a photometric or by a electrometric method.
DIN 51723:2002 history
2002DIN 51723:2002-06 Testing of solid fuels - Determination of fluorine content
2002DIN 51723:2002 Testing of solid fuels - Determination of fluorine content