原文由 ruojun 发表:
(1)取本品约10mg,加无水乙醇1ml使溶解,加碘化钾试液2ml与稀硫酸4ml,摇匀,加淀粉指
示液数滴,溶液即显蓝紫色。
1.Dissolve approximately 10 mg regent in 1 mL anhydrous alcohol. Add 2 mL KI solution and 4 mL diluted H2SO4, shake well, then add a few drops of starch solution to an indigo blue color.