Characterization of Toxic Metals in Tobacco, Tobacco Smoke, and Cigarette Ash from Selected Imported and Local Brands in Pakistan

Table 3

Digestion program for ash samples.

Power (watt)	Max. %	𝑡 (mins)	𝑇 °C	Hold (mins)
1200	100	20	200	10
600	50	10	170	10