BS EN ISO 14911:1999

Действует

Water quality. Determination of dissolved Li$u+, Na$d4$u+, NH$d4$u+, K$u+, Mn$u2$u+, Ca$u2$u+, Mg$u2$u+, Sr$u2$u+ and Ba$u2$u+ using ion chromatography. Method for water and waste water — 28 стр.