Assertion: suitable periclase | /r/HasAspect | a chemical composition
Facets:
value: by weight
type: OTHER
value: by weight b
type: OTHER
Source sentences:
text: A suitable periclase useful in this invention may have a chemical composition of from about 94% to about 99% and above by weight MgO, up to 2% by weight SiO 2 , up to 1% by weight Fe 2 O 3 , up to 1% by weight Al 2 O 3 , up to 1.5% by weight CaO, and up to 0.3% by weight B 2 O 3 .
text: A suitable periclase useful in this invention may have a chemical composition of from about 95% to 99% and above by weight MgO, up to 0.75% by weight SiO 2 , up to 0.6% by weight Fe 2 O 3 , up to 0.4% by weight Al 2 O 3 , and up to 0.03% by weight B 2 O 3 .
text: A suitable periclase useful in this invention may have a chemical composition of from about 95% to 99% and above by weight MgO, up to 0.75% by weight SiO 2 , up to 0.6% by weight Fe 2 O 3 , up to 0.4% by weight Al 2 O 3 , and up to 0.03% by weight B 2 O 3 .