Patent ID: 7112449

Claim:
A method for obtaining a plurality of quantities of compositions with an apparatus comprising a plurality of collectors and a nozzle comprising a reactant inlet, the method comprising: reacting a first quantity of fluid reactants within a fluid stream comprising gas, vapor, aerosol or a combination thereof, at least a portion of of the reactants is from the reactant inlet, to form a first quantity of product composition; collecting the first quantity of product composition from the fluid stream using a first collector; moving the nozzle relative to the first collector and second collector following completion of the collection of the first quantity of product composition; following completion of the collection of the first quantity of product composition, reacting a second quantity of fluid reactants within the fluid stream at least a portion of which is from the reactant inlet to form a second quantity of product composition, the second quantity of product composition being materially different from the first quantity of product composition; and collecting the second quantity of product composition from the fluid stream using a second collector along a flow path independent from the first collector.