Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants; German version EN 12014-5:1997— 7 стр.
Foodstuffs - Determination of nitrate and/or nitrite content - Part 1: General considerations (including Amendment A1:1999); German version EN 12014-1:1997 + A1:1999— 6 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.
