The optimal conditions for the determination of the concentration of the hydrolyzed polyacrylamine in the waste from oil extraction by the starch - cadmium iodide spectrophotometry were investigated and the reaction mechanism was explored 摘要研究了淀粉碘化鎘光度法檢測油田采出液中部分水解聚丙烯醯胺濃度的最佳測試條件,并探討了反應機理。