German standard methods for the examination of water, waste water and sludge; cations (group E); determination of cobalt by atomic absorption spectrometry (AAS) (E 24)
Edition 1993-03

Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES; German version EN 15510:2017
Edition 2017-10

Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES; German version EN 15621:2017
Edition 2017-10

Fertilizers - Determination of boron, cobalt, copper, iron, manganese, molybdenum and zinc using ICP-AES; German version EN 16963:2018
Edition 2018-03

Fertilizers - Determination of cobalt, copper, iron, manganese and zinc using flame atomic absorption spectrometry (FAAS); German version EN 16965:2018
Edition 2018-03

Implants for surgery - Metallic materials - Part 7: Forgeable and cold-formed cobalt-chromium-nickel-molybdenum-iron alloy (ISO 5832-7:2024); German version EN ISO 5832-7:2024
Edition 2024-07

Clear liquids - Estimation of colour by the platinum-cobalt colour scale (ISO 6271:2015); German version EN ISO 6271:2015
Edition 2016-05

Metallic and other inorganic coatings - Electrodeposited coatings of tin-cobalt alloy (ISO 26945:2011); German version EN ISO 26945:2011
Edition 2011-06

Soil quality - Determination of cadmium, chromium, cobalt, copper, lead, manganese, nickel and zinc in aqua regia extracts of soil - Flame and electrothermal atomic absorption spectrometric methods (ISO 11047:1998)
Edition 2003-05