CuI was then separated by vacuum filtration and washed twice
with water. The yield is almost quantitative, if care is taken to
transfer all of the solid. Drying of the product was unnecessary
for the following step. The reaction could also be carried out in
a disposable 50 mL polypropylene centrifuge tube, centrifuging
the suspension to separate the solid, resuspending it in water,
and separating it with another centrifugation step.