Assertion: commercial sodium nitrate | /r/HasProperty | placed within the melting pots l0
Facets:
value: in forthe purpose
type: PURPOSE
Source sentences:
text: In operating the apparatus forthe purpose of carrying out the process and obtaining the prodnot of the invention, the commercial sodium nitrate to be treated is placed within the melting pots l0 and heated to a temperature of about350 C. at which temperature the sodium nitrate content of the product is in a molten fluid condition.