Table 1 Measurement condition of lead (Pb), arsenic (As), cadmium (Cd) nickel (Ni) using CTA 3000 atomic absorption spectrometer.
From: Human health risk assessment of toxic metals in Nass smokeless tobacco in Iran
Parameters | Pb | As | Cd | Ni |
|---|---|---|---|---|
Wavelength (nm) | 217 | 193.7 | 288.8 | 232 |
Slit width (nm) | 0.4 | 0.2 | 0.4 | 0.2 |
Limit of detection (µg/g) | 0.01 | 0.001 | 0.002 | 0.008 |
Limit of Quantitation (µg/g) | 0.05 | 0.005 | 0.01 | 0.04 |
Recovery (%) | 95.5–101 | 93–98.5 | 92.5–97 | 98–104 |
Linear Range (µg/g) | 0.05–14.0 | 0.005–5.0 | 0.01–2.0 | 0.04-8.0 |