The other two sample preparation methods investigated were a sodium peroxide fusion method and a pressure-bomb digestion method.
Reacts violently with sodium peroxide, chromyl chloride, phosphorus trioxide.
The sodium peroxide fusion method adds too much sodium to the sample to allow an accurate sodium determination.
Another bleach employs sodium peroxide with acid for pH control.
Hydrogen or sodium peroxide, or optical brighteners composed of various organic compounds may be used.
British Dictionary definitions for sodium peroxide
a yellowish-white odourless soluble powder formed when sodium reacts with an excess of oxygen: used as an oxidizing agent in chemical preparations, a bleaching agent, an antiseptic, and in removing carbon dioxide from air in submarines, etc. Formula: Na2O2