${\rho }_d$

n

e

$w_{SPO}$

${\rho }_{d-SPO}$

$w_{sat}$

(kg·m⁻³)

-

-

(kg·kg⁻¹)

(kg·m⁻³)

(kg·kg⁻¹)

NH2

1652

0.37

0.60

0.092

1960

0.227

NH3

1605

0.39

0.65

0.146

1790

0.245