\begin{figure}
\begin{small}
\beginpicture
\setcoordinatesystem units <1mm,1mm>
\put {~} at -27 0
\tickstovaluesleading10pt
\longticklength4pt
\shortticklength2pt
\setplotarea x from 0 to 90, y from 0 to 60

\axis bottom
        label {$X/\%$}
        ticks in withvalues 0 25 50 75 100 /
        quantity 5 short quantity 9
        /
\axis left
        label {$M_\mathrm{n}/\nicefrac{\mathrm{g}}{\mathrm{mol}}$}
        ticks in withvalues 0 50 100 150 200 /
        quantity 5 short quantity 9
        /
\axis top
        ticks in quantity 5 short quantity 9
        /
\axis right
        ticks in quantity 5 short quantity 9
        /

\inboundscheckon
\setquadratic
%\setdashpattern <3mm,1mm,0.5mm,1mm>

\plot
0	0.03	
9	6.00	
18	11.70	
27	17.40	
36	23.10	
45	28.80	
54	34.80	
63	40.80	
72	46.50	
81	52.50	
90	58.20	
/


\multiput {$\circ$} at
0.00	0.03	
13.08	12.30	
29.18	21.45	
42.89	29.70	
55.85	37.35	
67.35	45.00	
89.03	58.20		
/

\endpicture

\caption{
Abhängigkeit der mittleren 
Molmasse vom Monomerumsatz für die Polymerisation von {\footnotesize MMA} 
mit {\bf 2} und {\bf 4}
(Reaktionsbedingungen: siehe Tabelle 3.5).
}
\end{small}
\end{figure}
