[fermé] Placement de deux figures légendées l'une à côté de l'autre

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% Première figure
    \begin{figure}
    \begin{tikzpicture}
    \begin{axis}[ xlabel=volume de NaOH(mL), ylabel=$\sigma\, (\mu S.cm^{-1}$), mark  size=0.5pt,width=0.7\textwidth] \addplot table [x=ml, y=Scm,col sep=semicolon]
    >dosage_conductimetrique_F127a8_essai1_20190226.txt};
    >end{axis}
    \end{tikzpicture}
    \caption{dosage des groupes amines de
    l'échantillon \no 8 par la soude}
    \end{figure}
% Deuxième figure
    \begin{center}
    \includegraphics[clip,scale=0.50]{analyse_conductimetrie_origineplus_F127a8_essai1_20190226.jpg}
    \caption{Analyse de la courbe de conductimétrie de F127a8}
    \end{center}
 
 
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