Research Article

Determination of Inorganic Elements in the Rhizome of Paris polyphylla Smith Var. chinensis (Franch.) Hara by Using Inductively Coupled Plasma Mass Spectrometry

Table 2

Optimum ICP-MS operating conditions for the analysis of PPC.

Instrument parameterCondition

Radio frequency power1.4 kW
Spray chamber temperature2.7°C
Nebulizer pump0.1 rps
Cool flow13 L/min
Auxiliary flow0.8 L/min
Plasma flow13 L/min
Nebulizer0.88/min
Sampling depth5 mm
No. of replicates per sample3
Isotopes measured6Li, 7Li, 9Be, 11B, 23Na, 24Mg, 27Al, 31P, 39K, 44Ca, 45Sc, 48Ti, 51V, 52Cr, 55Mn, 57Fe, 59Co, 60Ni, 63Cu, 66Zn, 73Ge, 75As, 77Se, 88Sr, 111Cd, 115In, 137Ba, 185Re, 208Pb, 209Bi

Internal standards.