Table 1 Average intensity of trace elements present in PM1.

From: Qualitative evaluation of trace elements in commercially packaged forms of tobacco using laser-induced breakdown spectroscopy

Elements

Most intense line (nm)

Average intensity (counts)

Al

279.86

3517.75 ± 342.8

Ni

280.62

2107.22 ± 267

Cr

357.51

797.66 ± 128.2

Fe

374.97

2061.4 ± 149.8

Ca

393.88

55702.7 ± 1162.1

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