| abstract |
The present invention relates to a microfluidic method for analyzing a fluid containing a metal trace element, in particular arsenic, comprising the following steps of introducing a fluid sample into at least one micro-channel of a microfluidic circuit; mixing, within the micro-channel of the microfluidic circuit, the introduced fluid sample with nitric acid and L-cysteine, and measuring the quantity of metal trace element present in the sample, using an electrochemical detection method. |