A simple, rapid and highly sensitive spectrophotometric method for determining Al was developed based on the colour reaction of Al3+ with morin in the presence of polyacrylamine (PAM) asstabilizer.

• 基于聚丙烯酰胺(PAM)作为增稳剂时；Al~(3+)与桑色素(morin)之间的显色反应；提出了一种简便、快速、高灵敏测定痕量铝的光度法.