Animal feeding stuffs - Determination of selenium by hydride generation atomic absorption spectrometry (HGAAS) after microwave digestion (digestion with 65 % nitric acid and 30 % hydrogen peroxide); German version EN 16159:2012— 18 стр.
Animal feeding stuffs - Determination of mercury by cold-vapour atomic absorption spectrometry (CVAAS) after microwave pressure digestion (extraction with 65 % nitric acid and 30 % hydrogen peroxide); German version EN 16277:2012— 18 стр.
Foodstuffs - Determination of elements and their chemical species - General considerations and specific requirements; German version EN 13804:2013— 18 стр.