Prepareation of liquid and solid argon
Argon gas liquefied by cooling in liquid nitrogen and than freezing.
Boiling point of liquid Nitrogen is -195.79 °C
Boiling point of liquid Argon is −185.85 °C
Freezing point of Argon is −189.35 °C
source
Argon gas liquefied by cooling in liquid nitrogen and than freezing.
Boiling point of liquid Nitrogen is -195.79 °C
Boiling point of liquid Argon is −185.85 °C
Freezing point of Argon is −189.35 °C
source