H2SO4 NaOH

HCN

NH3

1 CH CH OH Na CH CH ONa H 2 3 2 3 2 2

1 Cu O 2 H 2SO 4 CuSO4 H 2O 2

s ( ) ( t 2 t 1) ( ) ( t t ) 2

100 0.5 20 3 10 10 C 1

m pv nrt RT n M mrt pv M mrt pv

56.4 SnC12 2H2O 500 12N 1

( ppm ) ( x5ppm)

98 250 6 ( ) 2 1000 98 250 6 2 1000 40.8 184. 98%