TY - GEN AU - Easley, Regina A AU - Waters, Jason F AU - Guthrie, William F C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2019-05-01 04:05:00 DO - https://doi.org/10.6028/NIST.SP.260-197 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2019 TI - Certification of standard reference material 2193b::calcium carbonate [used as saturated Ca(OH)2 solution] ER -