原文:Arsenic <1.11>—Prepare the test solution with 1.0 g
of Lansoprazole in a platinum crucible according to Method
3, using a solution of magnesium nitrate hexahydrate in
ethanol (95) (1 in 5), and perform the test. Prepare the standard
color with 1.0 mL of Standard Arsenic Solution (not
more than 1 ppm).