Determination of calcium in cement by flame-emission spectrometry with strontium as internal standard.
A combination of strontium as internal standard and lanthanum as releasing agent is recommended for direct flame-emission spectroscopic determination of calcium in cement, an air-acetylene flame being used.
Voinovitch
I A
IA
Laboratoire Central des Ponts et Chaussées, Chemistry Department, Paris, France.
Legrand
G
G
Louvrier
J
J