Open Access

Fig. 6


Download original image

The variation of the FT-IR spectrum for the asphaltene extracted in the presence of different amounts of the inhibitor A (the green, brown, purple and red spectra are related to concentration of 0, 500, 4200 and 10 000 ppm of inhibitor A, respectively).

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.