Assertion: germanium's impurity | /r/HasAspect | their k value
Facets:
value: around 10−3
type: OTHER
value: with some exceptions
type: OTHER
value: to 10−5
type: OTHER
Source sentences:
text: With some exceptions, most impurities in Germanium have their k value around 10−3 to 10−5, facilitating its removal by fractional crystallization.