TY - GEN AU - Regina Easley AU - Benjamin Place C2 - Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD DA - 2017-04-26 DO - https://doi.org/10.6028/jres.122.021 LA - en M1 - 122 PB - Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD PY - 2017 TI - Mass spectra of sulfonephthalein pH indicator dyes and their impurities ER -