Trypsin Digestion Pretreatment of Kelp Samples and the Iodine Speciation Analysis of Iodate, Iodide, MIT, and DIT by HPLC-ICP-MS

Figure 6

Chromatogram spectra for iodate, iodide, MIT, and DIT at 150 μg/L for each ion using 100 mmol/L (NH₄)₂CO₃ at pH = 8, 9, and 10, respectively.