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ca ion

ca ion, Total:2 items.

In the international standard classification, ca ion involves: Soil quality. Pedology.

Association Francaise de Normalisation, ca ion

• NF X31-108:2002 Soil quality - Determination of ammonium acetate extractable Ca++, Mg++, K+ and Na+ cations - Agitation method.
• NF EN ISO 14911:1999 Qualité de l'eau - Dosage par chromatographie ionique, des ions Li+, Na+, NH 4+, K+, Mn 2+, Ca 2+, Mg 2+, Sr 2+ et Ba 2+ dissous - Méthode applicable pour l'eau et les eaux résiduaires

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