Rapid identification and quantification of
#0183;#32;A stainlesssteel bullet (Tokken, Kashiwa, Japan), 20 L of 1 g/mL 3amino1phenylbutane in water and 230 L of water (for identification, no 3amino1phenylbutane and 250 L of water) were added. The tube was capped and shaken vertically for 5 min at 1500 strokes/min in an automatic pulverizer (Automill, Tokken).