Once you obtainained the beans, selection is necessary in order to eliminate possible defects or impurities. The main controls applied for green coffee, and carried out through optic machines are:

Magnetic: splits possible metallic particles

Cleanup and split up: eliminates the coffee’s heaviest or lightest bodies

Granulometry: classifies the grain’s riddle and eliminates those out of standard

Densimetry: eliminates all bodies which don’t have the grain’s density

Colorimeter: eliminates the grains that don’t correspond to the established standards

Manual: guarantees the perfect quality