phosphorus red

Starting reagents and materials 6 g Synthetic ephedrine hydrochloride racemate 1.8 g Red phosphorous (P) 12 g Iodine (I2) 100-150 ml H2O 3 g Sodium thiosulfate (Na2S2O3) 24 ml 25% NaOH 250-300 ml DCM 100 ml Petroleum ether HCl gas 100 g NH4Cl 25 ml H2SO4 83% Flasks 250 and 500 ml Beakers...

I'd like to know if there is an easy way to extract the phosphorus from fireworks? It seems that they main ingredients is red and white phosphorus. Beside extracting it from matches boxes, this must give a much bigger yield! So are there any options for that or is there an easier way to come...