flow injection systems wiht inductively-coupled argon plasma atomic emission spectrometry: Part 2. The generalized standard addition method

✍ Scribed by E.A.G. Zagatto; A.O. Jacintho; F.J. Krug; B.F. Reis

• Publisher: Elsevier Science
• Year: 1983
• Tongue: English
• Weight: 681 KB
• Volume: 145
• Category: Article
• ISSN: 0003-2670
• DOI: 10.1016/0003-2670(83)80059-2

✦ Synopsis

In multicomponent

analysis by inductively-coupled argon plasma emission spectrometry, the generalized standard addition method is useful in overcoming matrix and/or spectral interferences. As this method requires many standard additions, it becomes cumbersome when done manually if many elements are to be determined. By using a flow injection system, the standard addition manipulations required can be significantly simplified and completed within a shorter period of time with much less sample material. A flow injection system with merging zones is used to demonstrate the method for analyses of a Ni/Cu/Zn standard and of alloys. The reproducibility of measurements of the injected sample, with or without additions of standards is always better than 99%. The results obtained compare well with those obtained by the manual procedure and also with those obtained by atomic absorption spectrometry.