Use of solid sampling Zeeman atomic absorption spectrometry (SS-ZAAS) for certification purposes
Three methods for the calibration of solid sampling Zeeman atomic absorption spectrometry allowing independent calibration based on gravimetric principles (and thus usable for certification purposes) are described and intercompared: standard addition to the solid sample, use of synthetic solid matrix matching samples, and extrapolation to zero matrix. The first two methods lead to the best results; extrapolation to zero matrix is less suitable at high concentrations, but is useful where an accuracy of the order of 10 % is acceptable.
Bibliographic Reference: Article: Fresenius' Journal of Analytical Chemistry, Vol. 349 (1994) pp. 779-783
Record Number: 199510138 / Last updated on: 1995-08-22
Original language: en
Available languages: en