Green analytical chemistry introduction to chloropropanols determination at no economic and analytical performance costs?

• Ranking of analytical 19 procedures according to three scenarios was done.
• Capillary electrophoresis is found to be the most appropriate for 3-MCPD determination.
• Green analytical procedure can be selected without sacrificing analytical performance.

In this study we perform ranking of analytical procedures for 3-monochloropropane-1,2-diol determination in soy sauces by PROMETHEE method. Multicriteria decision analysis was performed for three different scenarios – metrological, economic and environmental, by application of different weights to decision making criteria. All three scenarios indicate capillary electrophoresis-based procedure as the most preferable. Apart from that the details of ranking results differ for these three scenarios.The second run of rankings was done for scenarios that include metrological, economic and environmental criteria only, neglecting others. These results show that green analytical chemistry-based selection correlates with economic, while there is no correlation with metrological ones. This is an implication that green analytical chemistry can be brought into laboratories without analytical performance costs and it is even supported by economic reasons.

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