EM3 reagent
===================

NaCl, 13.7 mM; KCl, 0.54 mM; MgSO4, 1.0 mM; CaCl2, 1.3 mM; Na2HPO4, 0.025 mM; KH2PO4, 0.044 mM; NaHCO3, 4.2 mM

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Chemical            Concentration
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:math:`NaCl`        13.7mM
:math:`KCl`         0.54mM
:math:`MgSO_4`      1.0mM
:math:`CaCl_2`      1.3mM
:math:`Na_{2}HPO_4` 0.025mM
:math:`KH_{2}PO_4`  0.44mM
:math:`NaHCO_3`     4.2mM
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