[
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        "medium_id": "J421",
        "compound": "NaCl",
        "g_l": 29.4187,
        "mmol_l": 503.399,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "MgCl2 x 6 H2O",
        "g_l": 4.09763,
        "mmol_l": 20.1553,
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    },
    {
        "medium_id": "J421",
        "compound": "MgSO4 x 7 H2O",
        "g_l": 3.36242,
        "mmol_l": 13.642,
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    },
    {
        "medium_id": "J421",
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        "g_l": 2.9703,
        "mmol_l": 92.6192,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "NaHCO3",
        "g_l": 0.990099,
        "mmol_l": 11.7859,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "NaNO3",
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        "mmol_l": 11.6489,
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    },
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        "medium_id": "J421",
        "compound": "Na2S2O3 x 5 H2O",
        "g_l": 0.990099,
        "mmol_l": 3.98934,
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    },
    {
        "medium_id": "J421",
        "compound": "KCl",
        "g_l": 0.323498,
        "mmol_l": 4.33934,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "CaCl2 x 2 H2O",
        "g_l": 0.138222,
        "mmol_l": 0.940188,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "K2HPO4",
        "g_l": 0.137242,
        "mmol_l": 0.787947,
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    },
    {
        "medium_id": "J421",
        "compound": "Nitrilotriacetic acid",
        "g_l": 0.0147044,
        "mmol_l": 0.0769302,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "Fe(NH4)2(SO4)2 x 6 H2O",
        "g_l": 0.00980296,
        "mmol_l": null,
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    },
    {
        "medium_id": "J421",
        "compound": "MnSO4 x n H2O",
        "g_l": 0.00490148,
        "mmol_l": null,
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    },
    {
        "medium_id": "J421",
        "compound": "CoSO4 x 7 H2O",
        "g_l": 0.000980296,
        "mmol_l": 0.00632465,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "FeSO4 x 7 H2O",
        "g_l": 0.000980296,
        "mmol_l": 0.00352606,
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    },
    {
        "medium_id": "J421",
        "compound": "ZnSO4 x 7 H2O",
        "g_l": 0.000980296,
        "mmol_l": 0.003409,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "NiCl2 x 6 H2O",
        "g_l": 0.000490148,
        "mmol_l": 0.00378204,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "Na2SeO3 x 5 H2O",
        "g_l": 0.000490148,
        "mmol_l": 0.00186358,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "Pyridoxine hydrochloride",
        "g_l": 9.90099e-5,
        "mmol_l": null,
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    },
    {
        "medium_id": "J421",
        "compound": "H3BO3",
        "g_l": 9.80296e-5,
        "mmol_l": 0.00158522,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "Na2MoO4 x 2 H2O",
        "g_l": 9.80296e-5,
        "mmol_l": 0.000405165,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "CuSO4 x 5 H2O",
        "g_l": 9.80296e-5,
        "mmol_l": 0.000392612,
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    },
    {
        "medium_id": "J421",
        "compound": "AlK(SO4)2",
        "g_l": 9.80296e-5,
        "mmol_l": 0.000379651,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "Nicotinic acid",
        "g_l": 4.95049e-5,
        "mmol_l": 0.00040212,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "p-Aminobenzoic acid",
        "g_l": 4.95049e-5,
        "mmol_l": 0.000360981,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "Lipoic acid",
        "g_l": 4.95049e-5,
        "mmol_l": 0.000239965,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "Riboflavin",
        "g_l": 4.95049e-5,
        "mmol_l": 0.000131522,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "Calcium pantothenate",
        "g_l": 4.95049e-5,
        "mmol_l": 0.000103893,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "Thiamine HCl",
        "g_l": 4.95049e-5,
        "mmol_l": null,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "Biotin",
        "g_l": 1.9802e-5,
        "mmol_l": 8.10527e-5,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "Folic acid",
        "g_l": 1.9802e-5,
        "mmol_l": 4.48618e-5,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "Vitamin B12",
        "g_l": 9.90099e-7,
        "mmol_l": 7.30485e-7,
        "optional": "no"
    },
    {
        "medium_id": "J421",
        "compound": "Distilled water",
        "g_l": null,
        "mmol_l": null,
        "optional": "no"
    }
]