Ridge regression spectrophotometry is used to analyse four components, acetaminophen, p _ nitrophenol, p _ aminophenol and acetic acid in the synthetic course of acetaminophen.

• 将岭回归分光光度法应用于扑热息痛合成过程中对乙酰氨基酚、对硝基酚、对氨基酚和醋酸4组分含量的分析研究。