Assertion: tellurium | /r/HasProperty | precipitated as teo
Facets:
value: in order to separate these
type: PURPOSE
Source sentences:
text: In addition, since selenium is eluted together with tellurium in the leaching process, tellurium is precipitated as TeO 2 in order to separate these, and this precipitation can be separated to a certain extent by repeating washing several times, but it is sufficiently separated from tellurium.