[
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        "medium_id": 621,
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        "g_l": 15,
        "mmol_l": 44.5991,
        "optional": "no"
    },
    {
        "medium_id": 621,
        "compound": "MgSO4 x 7 H2O",
        "g_l": 0.625264,
        "mmol_l": 2.53682,
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    },
    {
        "medium_id": 621,
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        "mmol_l": 1.38766,
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    },
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        "medium_id": 621,
        "compound": "Peptone",
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        "mmol_l": null,
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    },
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        "medium_id": 621,
        "compound": "Yeast extract",
        "g_l": 0.25,
        "mmol_l": null,
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    },
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        "medium_id": 621,
        "compound": "Nitrilotriacetic acid",
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    },
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        "medium_id": 621,
        "compound": "CaCl2 x 2 H2O",
        "g_l": 0.0703158,
        "mmol_l": 0.47829,
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    },
    {
        "medium_id": 621,
        "compound": "FeSO4 x 7 H2O",
        "g_l": 0.00208422,
        "mmol_l": 0.00749676,
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    },
    {
        "medium_id": 621,
        "compound": "Na2MoO4 x 2 H2O",
        "g_l": 0.000266736,
        "mmol_l": 0.00110245,
        "optional": "no"
    },
    {
        "medium_id": 621,
        "compound": "Pyridoxine hydrochloride",
        "g_l": 0.0001,
        "mmol_l": 0.000486287,
        "optional": "no"
    },
    {
        "medium_id": 621,
        "compound": "Nicotinamide",
        "g_l": 5.0e-5,
        "mmol_l": 0.000409434,
        "optional": "no"
    },
    {
        "medium_id": 621,
        "compound": "p-Aminobenzoic acid",
        "g_l": 5.0e-5,
        "mmol_l": 0.000364591,
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    },
    {
        "medium_id": 621,
        "compound": "Thiamine-HCl x 2 H2O",
        "g_l": 5.0e-5,
        "mmol_l": 0.00013394,
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    },
    {
        "medium_id": 621,
        "compound": "Riboflavine",
        "g_l": 5.0e-5,
        "mmol_l": 0.000132837,
        "optional": "no"
    },
    {
        "medium_id": 621,
        "compound": "D-Calcium pantothenate",
        "g_l": 5.0e-5,
        "mmol_l": null,
        "optional": "no"
    },
    {
        "medium_id": 621,
        "compound": "Biotin",
        "g_l": 2.0e-5,
        "mmol_l": 8.1863e-5,
        "optional": "no"
    },
    {
        "medium_id": 621,
        "compound": "Folic acid",
        "g_l": 2.0e-5,
        "mmol_l": 4.53104e-5,
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    },
    {
        "medium_id": 621,
        "compound": "Vitamin B12",
        "g_l": 1.0e-6,
        "mmol_l": 7.3779e-7,
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    },
    {
        "medium_id": 621,
        "compound": "Metall salt sol. 44",
        "g_l": null,
        "mmol_l": null,
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    },
    {
        "medium_id": 621,
        "compound": "Distilled water",
        "g_l": null,
        "mmol_l": null,
        "optional": "no"
    }
]