Research Article
Trypsin Digestion Pretreatment of Kelp Samples and the Iodine Speciation Analysis of Iodate, Iodide, MIT, and DIT by HPLC-ICP-MS
Table 6
Analytical performances of iodate, iodide, MIT, and DIT analyses by HPLC-ICP-MS.
| | Ions | Concentration (μg/L) | Calibration curve | r | LOD (μg/L) | LOQ (μg/L) | Precision (n = 5 RSD%) |
| | IO3− | 0–150 | y = 4258.3 x − 941.4 | 0.9997 | 1.62 | 5.40 | 1.08 | | I− | 0–150 | y = 4187.0 x − 460.9 | 0.9995 | 1.02 | 3.40 | 1.71 | | MIT | 0–150 | y = 1659.7 x − 3301.1 | 0.9992 | 1.59 | 5.30 | 1.08 | | DIT | 0–150 | y = 1601.4 x − 49.3 | 0.9998 | 2.55 | 8.50 | 1.70 |
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