Assertion: alkaline cryolite | /r/ObjectUse | used for this purpose
Facets:
value: advantageously
type: MANNER
Source sentences:
text: Since it is generally considered desirable to maintain the NaF to All weight ratio of the electrolyte within the range of about 1.3 to 1.5 for optimum cell operation, soda ash may be added during this period to replace the excess sodium collected in the cathode, and alkaline cryolite is advantageously used for this purpose.
text: Since it is generally considered desirable to maintain the NaF to AlF weight ratio of the electrolyte within the range of about 1.3 to 1.5 for optimum cell operation, soda ash may 'be added during this period to replace the excess sodium collected in the cathode, and alkaline cryolite is advantageously used for this purpose.