According to Fig. 4, the integrated absorbance signal for Cr in the M1 sunscreen sample was stable up to a pyrolysis temperature of 1400 °C and in the aqueous standard solution up to 1300 °C.
According to Fig. 4, the integrated absorbance signal for Cr in the M1sunscreen sample was stable up to a pyrolysis temperature of 1400 °Cand in the aqueous standard solution up to 1300 °C.