摘要
经巯基葡聚糖凝胶分离富集的痕量铁的催化动力学光度法测定崔丽君，李慧芝，徐广通，申晓峰（山东建筑材料工业学院应用化学系济南２５００２２）关键词催化动力学光度法，巯基葡聚糖凝胶，铁（Ⅲ）用催化动力学方法测定痕量元素的报道日渐增多，对铁的测定已有报道［１～...
Trace Fe(Ⅲ) catalyzes the discoloring oxidation reaction of arsenazo Ⅲ by potassium periodate(KIO_4) in sulfuric acid medium.The kinetic conditions have been studied in detail.A new method of kinetic spectrophotometry for the determination of trace Fe(Ⅲ) is established.The sensitivity of method is 8 ng/L.The range of measurement is 0～0.06mg/L Fe(Ⅲ).The coexisting metal ions can be separated by mercapto-containing dextran gel.This method has been applied to the determination of trace iron(Ⅲ) in water and human hair samples with satisfactory results.
出处
《应用化学》
CAS
CSCD
北大核心
1996年第1期104-106,共3页
Chinese Journal of Applied Chemistry
关键词
光度法
巯基
葡聚糖凝胶
铁
人发
人参
水
catalytic-kinetic spectrophotometry,mercapto-containing dextran gel,iron (Ⅲ)
