工业微生物2024，Vol.54Issue(4)：19-21,3.DOI:10.3969/j.issn.1001-6678.2024.04.007
两种分光光度法测定水中铁含量的对比研究
Comparative Study on Two Spectrophotometric Methods for Determining Iron Content in Water
孙茂艳 1王铁一1
作者信息
- 1. 青岛市市北区疾病预防控制中心,山东 266000
- 折叠
摘要
Abstract
This study compares two spectrophotometric methods for determining iron content in water,and improves the phenanthroline spectrophotomety.The improvement measures are as follows.(1)The low heat boiling step is adjusted to a constant temperature water bath at 100 ℃ for 10 minutes,to ensure the same conditions for the standard curve and detection sample.(2)The usage of reagents is reduced by half,so as to save costs and reduce environmental pollution.(3)The sampling volume is changed to 40mL.Through the determination of standard curves,detection limits,precision,and spiked recovery experiments,it is found that the improved method has a larger slope and higher sensitivity,and high precision and accuracy,and the detection results are true and reliable.The two spectrophotometric methods for determining iron content in water have high sensitivity,and the improved phenanthroline spectrophotomety is suitable for the determination of iron in water.关键词
铁/火焰原子吸收分光光度法/二氮杂菲分光光度法/检出限/精密度Key words
iron/flame atomic absorption spectrophotometry/diphenanthroline spectrophotometry/detection limit/precision引用本文复制引用
孙茂艳,王铁一..两种分光光度法测定水中铁含量的对比研究[J].工业微生物,2024,54(4):19-21,3.
