@misc{1129816, author = {Regina A Easley and Jason F Waters and William F Guthrie}, title = {Certification of standard reference material 2193b::calcium carbonate [used as saturated Ca(OH)2 solution]}, year = {2019}, month = {2019-05-01 04:05:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.260-197}, language = {en}, }