Fig. 3. Pyrolysis curves for cadmium in the presence of 10g Pd+3g Mg + 0.05%
(v/v) Triton X-100 + 0.1% (v/v) H2O2 as chemical modifier; () 0.02 ng Cd in
0.014 mol L−1 HNO3; () integrated absorbance normalized for 2.0mg wheat flour
sample; atomization temperature 1600 ◦C; all points are average and standard deviation
of n = 5 measurements.