Foodstuffs - Determination of vitamin D by high performance liquid chromatography - Measurement of cholecalciferol (D<(Index)3>) and ergocalciferol (D<(Index)2>); German version EN 12821:2000— 15 стр.
Accuracy (trueness and precision) of measurement methods and results - Part 5: Alternative methods for the determination of the precision of a standard measurement method (ISO 5725-5:1998), Corrigenda to DIN ISO 5725-5:2002-11 (ISO 5725-5:1998/Cor. 1:2005)— 2 стр.
Foodstuffs - Determination of vitamin D by high performance liquid chromatography - Measurement of cholecalciferol (D<(Index)3>) or ergocalciferol (D<(Index)2>); German version EN 12821:2009— 26 стр.
Foodstuffs - Determination of vitamin D by high performance liquid chromatography - Measurement of cholecalciferol (D<(Index)3>) or ergocalciferol (D<(Index)2>); German version EN 12821:2009— 26 стр.
