Technical developments for accurate determination of amount of samples used for TOF measurementsKazushi Terada, Taro Nakao, Shoji Nakamura, Atsushi Kimura, Osamu Iwamoto, Hideo Harada, Koichi Takamiya and Jun-ichi HoriEPJ Web Conf., 146 (2017) 03019DOI: https://doi.org/10.1051/epjconf/201714603019