TY - JOUR T1 - On the Nitroprussides, a New Class of Salts JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 139 SP - 477 EP - 518 PY - 1849/01/01/ UR - http://dx.doi.org/10.1098/rstl.1849.0024 M3 - doi:10.1098/rstl.1849.0024 AU - Playfair, L. ER -