pH指示剂吸光度比值法测定枸橼酸钾溶液中枸橼酸钾含量
赵志英
Quartitatire determination of kalii citratis in 100 g/L liquor kalii citratis by pH-indicator abosorbance radio method
Zho Zhlylng
中国药学杂志 . 1996, (12): 749 -751 .