Table 2
Parameters of merit for ICP OES and GF AAS⁄.
Elements SBR CSR
(mg L1)
BEC
(mg L1)
LOD
(lg g1)
LOQ
(lg g1)
R2
Ba 4.5 3.0 0.65 0.42 1.42 1.0000
Ca 77.3 6.0 0.08 0.16 0.53 1.0000
Cu 50.2 6.0 0.12 0.19 0.64 0.9999
Fe 63.5 6.0 0.09 0.59 1.91 0.9996
Mg 55.3 6.0 0.11 0.56 1.81 0.9999
Mn 247.2 6.0 0.02 0.14 0.48 0.9998
P 13.3 6.0 0.45 0.37 1.22 1.0000
Pb 8.7 3.0 0.34 0.72 2.46 1.0000
Se⁄ NC NC NC 0.003 0.011 0.9997
Zn 263.7 6.0 0.02 0.02 0.07 0.9998
NC: not calculated; LOD: limit of detection; LOQ: limit of quantification.
⁄ Selenium was determined by GF AAS.