Environmental scanning electron microscopy

Deliquescence und efflorescence of sodium chloride
RH inc., ESEM, D P
> 100 nm, T = 5° RH dec., Jout. et al., D P
= 100 nm T = 23°C
RH dec., ESEM, D P
> 100 nm, T = 5° RH inc., Hämeri et al., D P
= 50 nm, T = 25°C
RH inc., Jout. et al., D P
= 100 nm, T = 23°C RH dec., Hämeri et al., D P
= 50 nm, T = 25°C
2.5
NaCl
growth factor
2.0
1.5
crystallisation
ESEM
drop
formation
crystallisation
Joutsensaari et al.
1.0
20 30 40 50 60 70 80 90 100
relative humitidy [%]