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% --------------------------------------------------------------------------
% the SUBSTANCES package
% 
%   A Chemical Database
% 
% --------------------------------------------------------------------------
% Clemens Niederberger
% Web:    https://bitbucket.org/cgnieder/substances/
% E-Mail: contact@mychemistry.eu
% --------------------------------------------------------------------------
% Copyright 2012--2016 Clemens Niederberger
% 
% This work 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.
% The latest version of this license is in
%   http://www.latex-project.org/lppl.txt
% and version 1.3 or later is part of all distributions of LaTeX
% version 2005/12/01 or later.
% 
% This work has the LPPL maintenance status `maintained'.
% 
% The Current Maintainer of this work is Clemens Niederberger.
% --------------------------------------------------------------------------
% The substances package consists of the files
%  - substances.sty, substances-default.def, substances-examples.sub,
%    substances_en.tex, substances_en.pdf, README
% --------------------------------------------------------------------------
% If you have any ideas, questions, suggestions or bugs to report, please
% feel free to contact me.
% --------------------------------------------------------------------------
% substances: default style
\SubstancesStyle*{default}
\RequirePackage {chemfig,siunitx}

% ----------------------------------------------------------------------------
% helper functions for the GHS properties:
\cs_new_protected:Npn \substances_get_pics:n #1
  {
    \seq_set_split:Nnn \l_tmpa_seq {,} {#1}
    \seq_set_map:NNn \l_tmpa_seq \l_tmpa_seq { \ghspic {##1} }
    \seq_use:Nn \l_tmpa_seq {~}
  }

\cs_new_protected:Npn \substances_get_ghs:nn #1#2
  {
    \seq_set_split:Nnn \l_tmpa_seq {,} {#2}
    \seq_set_map:NNn \l_tmpa_seq \l_tmpa_seq { \ghs {#1} {##1} }
    \seq_use:Nn \l_tmpa_seq
      { \bool_if:NT \l__ghsystem_hide_statement_bool {,} ~ }
  }

\NewDocumentCommand \ghspictograms {m}
  { \substances_get_pics:n {#1} }

\NewDocumentCommand \ghsstatements {mm}
  { \substances_get_ghs:nn {#1} {#2} }

% ----------------------------------------------------------------------------
\DeclareSubstanceProperty  {formula}    [\ch]
\DeclareSubstanceProperty  {structure}  [\chemfig]
\DeclareSubstanceProperty  {mass}       [\SI][{\MolMass}]
\DeclareSubstanceProperty  {bp}         [\SI][{\celsius}]
\DeclareSubstanceProperty  {mp}         [\SI][{\celsius}]
\DeclareSubstanceProperty  {density}    [\SI][{{\gram\per\cubic\centi\metre}}]
\DeclareSubstanceProperty  {phase}
\DeclareSubstanceProperty  {pKa}        [\num]
\DeclareSubstanceProperty  {pKa1}       [\num]
\DeclareSubstanceProperty  {pKa2}       [\num]
\DeclareSubstanceProperty  {pKb}        [\num]
\DeclareSubstanceProperty  {pKb1}       [\num]
\DeclareSubstanceProperty  {pKb2}       [\num]
\DeclareSubstanceProperty  {pictograms} [\ghspictograms]
\DeclareSubstanceProperty  {H}          [\ghsstatements{H}]
\DeclareSubstanceProperty  {P}          [\ghsstatements{P}]
\DeclareSubstanceProperty  {EUH}        [\ghsstatements{EUH}]
\DeclareSubstanceProperty  {LD50}       [\SI][{{\milli\gram\per\kilo\gram}}]

\tex_endinput:D