Health Risk Assessment of Heavy Metals in Traditional Cosmetics Sold in Tunisian Local Markets

Table 1

Temperature heating program for graphite furnace atomic absorption spectrophotometer.

Step	Temp. (°C)		Time (s)		Heat mode	Ar flow rate mL·min^−1
	Pb	Cd	Pb	Cd
1	170	170	5 (10)	10 (10)	Ramp	250
2	250	250	10 (10)	10 (10)	Ramp	250
3	600 (800)	350 (550)	15 (10)	15 (10)	Ramp	250
4	600 (800)	350 (550)	3 (2)	6 (3)	Step	0
5	1500 (1500)	1700 (1700)	4 (3)	4 (3)	Step	0
6	2400	2400	3	3	Step	250

Tpyr (Pb): 600°C for henna and 800°C for kohl; Tatom (Pb): 1500°C for henna and kohl; Tpyr (Cd): 350°C for henna and 550°C for kohl; Tatom (Cd): 1700°C for henna and kohl.