Assertion: tellurium | /r/HasProperty | added as the dioxide
Facets:
value: conveniently
type: MANNER
Source sentences:
text: The reduction can also be effected by zinc and dilute sulphuric acid, the tellurium being conveniently added as the dioxide, but the most satisfactory method of reduction is to make tellurium the cathode in an electrolysis, at 0° C. or lower, of 50 per cent, sulphuric acid or preferably phosphoric acid; the evolved gas may contain 5 to 10 per cent, of free hydrogen.