00798nam a2200265Ia 4500 200029935 20260309011230.0 251210s9999 xx 000 0 und d N389 G749 2187-87 Gas Processors Association, GPA 145 Tentative method for the determination of ammonia in liquid propane : GPA 2187-87 : Tulsa, Oklahoma : Gas Processors Association, GPA, 1987. 27/01/2004 5 p. Amoníaco 364 NORMA 57759 57759 Normalización 106 Propano 347 Composición de gases licuados 353 Análisis de gases licuados 352 Amoníaco 364