Research Article

Quantification Analysis of 13 Organic Components and 8 Inorganic Elements in Angelica Sinensis Radix and Its Different Parts Combined with Chemical Recognition Pattern

Table 3

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

Instrument parameterCondition

Plasma radio frequency power1550 W
Plasma gas15 L/min
Auxiliary gas flow rate1 L/min
Spray flow rate1 L/min
Compensation/dilution gas1 L/min
Spray chamber temperature2°C
Peristaltic pump speed0.3 rps
Integral time1 s
delay time1 s
Repetition times3
Isotopes measuredNa, Mg, K, Ca, Mn, Fe, Cu, Zn
internal standards73Ge, 115In, 209Bi