CAJ | 학술논문

文章介绍了一种基于瞬稳式静态注射化学发光法仪器。仪器由进样单元、化学反应池、光电转换单元、信号处理/控制单元和上位机数据处理软件5部分组成，可以检测溶液中的微量元素。系统采用了瞬稳式静态注射方法，通过良好的屏蔽和抗干扰设计，使溶液中微量元素检出限达到10-9 g/m L。采用高锰酸钾-鲁米诺体系，实现了溶液中高锰酸钾含量的定量检测。结果表明，检测系统在光波长范围为380～1100 nm范围内线性关系良好，相关系数 R＝0.9998，RSD≤2.72％。系统小型便携、灵敏度高、重复性好，上位机软件具有回归曲线拟合、计算RSD等功能。系统适用于教学实验室、现场检测、基层检测站和检验室等场合。
문장개소료일충기우순은식정태주사화학발광법의기。의기유진양단원、화학반응지、광전전환단원、신호처리/공제단원화상위궤수거처리연건5부분조성，가이검측용액중적미량원소。계통채용료순은식정태주사방법，통과량호적병폐화항간우설계，사용액중미량원소검출한체도10-9 g/m L。채용고맹산갑-로미낙체계，실현료용액중고맹산갑함량적정량검측。결과표명，검측계통재광파장범위위380～1100 nm범위내선성관계량호，상관계수 R＝0.9998，RSD≤2.72％。계통소형편휴、령민도고、중복성호，상위궤연건구유회귀곡선의합、계산RSD등공능。계통괄용우교학실험실、현장검측、기층검측참화검험실등장합。
A chemiluminescence instrument is developed based on instantaneous steady-static injection method .It consists of five parts including injection unit ,chemical reaction pool ,photoelectric conver-sion unit ,signal processing/control unit and host computer data processing software .The instrument can be used in detecting the trace elements in a solution .By using instantaneous steady-static injection method and with good shielding and anti-jamming design ,the detection limit of trace elements reaches 10-9 g/mL .The quantitative detection of a solution of potassium permanganate is achieved by using potassium permanganate-luminol system .The experimental results show that the detection system has a good linear relationship in the 380-1 100 nm optical wavelength range ,its correlation coefficient R is 0.999 8 ,and the relative standard deviation (RSD) is less than or equal to 2.72% .The instrument is small and portable ,and characterized by high sensitivity and good repeatability .The host computer software has the functions of regression curve fitting ,RSD calculation ,etc .The system can be widely used in teaching laboratory ,on-site testing ,primary inspection station and other occasions .