The document specifies a rapid method for determination of the coffein content of coffee using HPLC. With the new edition the scope of the document will be enlarged. The method has been tested on coffee products in ring tests. The preparation of the samples has been enlarged for the special coffee products.
DIN 10777-2:2000 history
2011DIN ISO 20481:2011 Coffee and coffee products - Determination of the caffeine content using high performance liquid chromatography (HPLC) - Reference method (ISO 20481:2008)
2000DIN 10777-2:2000 Analysis of coffee and coffee products - Determination of coffeine content - Part 2: HPLC rapid method