Table 8 Recovery rates of the developed method (n = 6)
From: HPLC–ICP-MS speciation analysis and risk assessment of arsenic in Cordyceps sinensis
Specifications | Original (ng)a | Spiked amount (ng) | Determined amount (ng) | Recovery rate (%) | RSD (%) |
|---|---|---|---|---|---|
AsB | NDb | 103.75 | 97.95 ± 2.38 | 94.41 ± 0.02 | 2.43 |
DMA | ND | 99.50 | 106.00 ± 0.70 | 106.53 ± 0.007 | 0.66 |
AsIII | 15.96 ± 0.01 | 100.20 | 110.29 ± 3.30 | 94.14 ± 0.03 | 3.49 |
MMA | ND | 100.12 | 97.73 ± 2.26 | 97.61 ± 0.02 | 2.31 |
As IIIc | ND | 100.02 | 108.88 ± 1.73 | 108.86 ± 0.01 | 1.59 |
As Vd | 3.39 ± 0.35 | 100.97 | 102.43 ± 1.22 | 98.09 ± 0.01 | 1.18 |