%% 
%%  A DANTE-Edition example
%% 
%%  Example 31-04-2 on page 640.
%% 
%%  Copyright (C) 2011 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{375.57637pt}
\setlength\parindent{0pt}

\usepackage{pst-labo}

\begin{document}
\begin{pspicture}(0,-4)(7,4)
  \rput(3,0){\pstDosage[niveauReactifBurette=25,niveauLiquide1=30,%
    aspectLiquide1=Champagne,glassType=becher,phmetre,unit=0.5]}
  \rput(2,3){burette}
  \rput(4.7,3.6){25 ml}
  \rput(5.2,-2.2){H$_3$O$^+$+Cl$^-$}
  \rput(.8,-3){pH gauge}
  \rput(5,-2.8){20 ml}
  \rput(5,1){Na$^+$+OH$^-$} \rput(6.4,-3.6){heater}
  \psline{->}(2.7,2.9)(3.4,2.9)
\end{pspicture}
\begin{pspicture}(-3,-2)(2,3)
  \psset{unit=0.5cm}
  \rput(-4.5,4.0){\pstEprouvette[tubePenche=-60,niveauLiquide1=90,niveauLiquide2=50]}
  \rput(.5,0){\pstEntonnoir[glassType=flacon,niveauLiquide1=30]}
  \rput(.5,7.5){
    \framebox{\begin{minipage}{3.2cm}\raggedright After the decantation, the
    individual phases are separated; the lightest can be collected through
    filtering.
    \end{minipage}}}
\end{pspicture}
\end{document}