Determination of Cisplatin and Carboplatin Anticancer Drugs by Non-suppressed Ion Chromatography with an Inductively Coupled Plasma Atomic Emission Detector
- 18 January 2018
- journal article
- research article
- Published by Taylor & Francis Ltd in Analytical Letters
- Vol. 51 (7), 1060-1070
- https://doi.org/10.1080/00032719.2017.1366498
Abstract
Two non-suppressed ion chromatographic (IC) methods, one with an anion and one with a cation separation column, were investigated for first time to determine cisplatin and carboplatin anticancer drugs using inductively coupled plasma-atomic emission spectrometry as a detector. The Shodex IC YK-421 (4.6x125mm(2)) column was considered as the preferred separation column. The mobile phase in this case consisted of tartaric acid and boric acid. The flow rate was 1mL/min and the injection volume was 20 L. Separation was carried out in about 2min with column temperature at 30 degrees C after optimization. With cationic separation, the cisplatin elutes first, as opposed to the anionic one, where it elutes second. In addition, with both columns, a second peak for cisplatin appears which is attributed to a hydrolysis product of the drug. For the cation chromatographic method, the repeatability ranged from 3.1 to 5.9%, whereas the inter-day precision was 13.3 and 16.3% for cisplatin and carboplatin, respectively. The detection limits were 0.1mg/L Pt for both compounds. The proposed method was applied to the analysis of human urine with satisfactory recoveries indicating that there are no matrix effects.Keywords
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