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NF U42-346
Fertilizers. Volumetric determination of potassium
Edition
1972-02-01
NF U42-345
Fertilizers. Gravimetric determination of potassium
Edition
1972-04-01
ISO 8070 ; IDF 119:2007-08
Milk and milk products - Determination of calcium, sodium, potassium and magnesium contents - Atomic absorption spectrometric method
Edition
2007-08
ISO 13756
Jewellery and precious metals - Determination of silver - Potentiometry using sodium chloride or potassium chloride
Edition
2024-04
BS EN 16943
Foodstuffs. Determination of calcium, copper, iron, magnesium, manganese, phosphorus, potassium, sodium, sulfur and zinc by ICP-OES
Edition
2017-07-27
BS EN 15621
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
Edition
2017-08-23
BS EN 15510
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
Edition
2017-08-30
BS EN ISO 11876
Hardmetals. Determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel and zinc in cobalt metal powders. Flame atomic absorption spectrometric method
Edition
2010-09-30
BS EN 27627-2
Hardmetals. Chemical analysis by flame atomic absorption spectrometry. Determination of calcium, potassium, magnesium and sodium in contents from 0,001 to 0,02 % (m/m)
Edition
1993-06-15
BS 6068-2.42
Water quality. Physical, chemical and biochemical methods. Determination of sodium and potassium: determination of sodium by atomic absorption spectrometry
Edition
1993-09-15