Assertion: high purity nitric acid | /r/HasProperty | necessary
Facets:
value: with phosphate
type: OTHER
value: with additional restrictions on fluorine
type: OTHER
Source sentences:
text: Some differences are that a Pyrex glass vessel is used and high purity nitric acid is necessary (Reagent grade: [Cl-] max = 0.00007%, [Fe] max = 0.0001%, with additional restrictions on fluorine (max 0.0001%) and phosphate (max 0.00002%).
text: Some differences are that a Pyrex glass vessel is used and high purity nitric acid is necessary (Reagent grade: [Cl= 0.00007%, [Fe]= 0.0001%, with additional restrictions on fluorine (max 0.0001%) and phosphate (