def LL2012_predict(dictio, A=0.007609):
    """Predict the water content using the equation (3) from Le Losq et al. (2012)

    Parameters
    ----------
    dictio: dict
        a dictionary with ndarray named "rws"

    Returns
    -------
    H2O
        The glass water contents in wt%
    """
    return 100 * A * dictio['rws'] / (1 + A * dictio['rws'])
