An Investigation for Heavy Metals’ Contamination in Farmers’ Fingernails: Case Study in Libya

Table 1

Operating conditions for ICP-MS analysis of As, Cd, and Pb in digested samples of fingernail.

Parameters	Condition
RF generator	40 MHz
RF power	1000 W
Spray chamber	Ryton scott
Nebulizer	Cross-flow
Plasma gas flow rate	15.0 l. min^−1
Auxiliary gas flow rate	1.0 l. min^−1
Nebulizer gas flow rate	0.60 l. min^−1
Sampler and skimmer cone	Nickel
Resolution	0.7 ± 0.1 amu
Dwell time	250 ms
Sweeps/Reading	20
Reading/Replicates	3