Testing of coffee and coffee products – Determination of dry matter content of soluble coffee – Part 3: Sea sand method for liquid coffee extracts
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/2016

Testing of coffee and coffee products; determination of dry matter content of soluble coffee, sea sand method
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1972