Development of a New Sequential Extraction Procedure of Nickel Species on Workplace Airborne Particulate Matter: Assessing the Occupational Exposure to Carcinogenic Metal Species

Table 3

Temperature program of the AAS method for determination of nickel.

Step N°	Temperature; °C	Time; (sec)	Flow (L/min)	Type of gas
1	40	5.0	3.0	Argon
2	150	35.0	3.0	Argon
3	150	5.0	3.0	Argon
4^α	900	10.0	3.0	Argon
5^α	900	15.0	3.0	Argon
6^α	900	2.0	0.0
7^β	2400	1.0	0.0
8^β	2400	2.0	0.0
9	2500	1.0	3.0	Argon
10	2500	2.0	3.0	Argon

Drying step, ^αpyrolysis step, and ^Βatomizing step.