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+\documentclass[11pt,a4paper]{article}
+\usepackage[utf8]{inputenc}
+\usepackage[spanish]{babel}
+\usepackage{fancyhdr}
+\usepackage{graphicx}
+\usepackage[labelfont=bf]{caption}
+\usepackage{siunitx}
+\usepackage{geometry}
+\geometry{top=25mm}
+\usepackage{amsmath}
+\usepackage{amsfonts}
+\usepackage{booktabs}
+\usepackage{chemformula}
+\usepackage{multicol}
+\usepackage{hyperref}
+\usepackage{adjustbox}
+\usepackage{pgfplotstable}
+\pgfplotsset{compat=1.17}
+\pgfplotstableset{
+empty cells with={--}, % replace empty cells with ’--’
+every head row/.style={before row=\toprule,after row=\midrule},
+every last row/.style={after row=\bottomrule},
+%every even row/.style={
+%before row={\rowcolor[gray]{0.9}}}, % Add this for stylish tables ;)
+%begin table=\begin{longtable},
+%end table=\end{longtable}
+}
+
+% Who the heck calls tables "cuadros"? We should call RAE to add an entry to thepage
+% word "tabla", so it can be used like "cuadro" ;)
+\addto\captionsspanish{%
+\def\tablename{Tabla}%
+}
+
+\sisetup{separate-uncertainty=true}
+\setlength{\parskip}{1em}
+\pagestyle{fancy}
+\fancyhf{}
+\rhead{David Díaz, Adrià Vilanova}
+\lhead{Práctica 3}
+\rfoot{\thepage}
+
+%%%% Title %%%%
+\title{\vspace{-2ex}Práctica 3. Medida de la tensión superficial por el método del anillo (Método de Du Nouy)}
+\author{David Díaz, Adrià Vilanova\vspace{-2ex} }
+\date{Primavera 2020-21}
+\begin{document}
+  \maketitle
+
+  \begin{center}
+    \centering
+    \input{graph.tex}
+    \captionof{figure}{Gráfica donde se muestra la tensión superficial $\gamma$ de la mezcla agua/etanol en función de la concentración volúmica $c$ de etanol en la mezcla a temperatura del laboratorio.}
+    \label{fig:graph}
+  \end{center}
+
+  \begin{center}
+    \centering
+    \begin{adjustbox}{width=\textwidth}
+      \pgfplotstabletypeset[
+        columns={5, 2, 0, 7, 8, 9, 10, 12},
+        columns/5/.style={column name=$V_{\text{H}_2\text{O}} \, (\si{\milli\liter})$, fixed, fixed zerofill, precision=1},
+        columns/2/.style={column name=$V_\text{etanol} \, (\si{\milli\liter})$, fixed, fixed zerofill, precision=1},
+        columns/0/.style={column name=$c_\text{etanol}$, fixed, fixed zerofill, precision=2},
+        columns/7/.style={column name=$F_1 \, (\si{\milli\newton})$, fixed, fixed zerofill, precision=1},
+        columns/8/.style={column name=$F_2 \, (\si{\milli\newton})$, fixed, fixed zerofill, precision=1},
+        columns/9/.style={column name=$F_3 \, (\si{\milli\newton})$, fixed, fixed zerofill, precision=1},
+        columns/10/.style={column name=$\bar{F} \, (\si{\milli\newton})$, fixed, fixed zerofill, precision=1},
+        columns/12/.style={column name=$\gamma \, (\si{\milli\newton\per\meter})$, fixed, fixed zerofill, precision=1}
+      ]{datatable.dat}
+    \end{adjustbox}
+    \captionof{table}{Datos experimentales obtenidos. Se ha considerado un error de $\SI{0.5}{\milli\liter}$ para $V_{\text{H}_2\text{O}}$ y $V_\text{etanol}$. Los errores de $c$ y $\gamma$ (en la figura \ref{fig:graph}) se han calculado por propagación de errores, y los demás valores tienen el error correspondiente a las cifras significativas mostradas.}
+  \end{center}
+\end{document}