Assertion: bleach's concentration | /r/CapableOf | produce desired bleaching effect
Facets:
Source sentences:
text: Preparation: Reagent grade hydrogen peroxide is preferred; commercial hydrogen peroxide is acidic and usually too strong for use as a conservation bleach; it must be diluted and alkali added to increase the pH and obtain the concentration of HOO- which is sufficient to produce the desired bleaching effect; buffers may be added to the bleach solution in order to control the pH and stabilizers should be added to guard against the evolution of oxygen gas.