
решение1
бежать с lualatex
:
\DocumentMetadata{}% For L3
\documentclass{article}
\usepackage{pst-labo}
\begin{document}
\psset{unit=0.5cm}
\pstDosage
\pstDosage[glassType=becher,phmetre=true]
\pstDosage[niveauReactifBurette=10,niveauLiquide1=60,
aspectLiquide1=Champagne,glassType=flacon,agitateurMagnetique=false]
\pstDosage[glassType=erlen,burette=false]
\end{document}