The thermal decomposition of FeC2O4 · 2 H2O in oxidizing atmosphere was studied by Mössbauer effect. Its characteristic Mössbauer spectrum remains present in the spectrum of the sample undergoing decomposition nearly to the end of the reaction. In this case the Mössbauer method does not ...
生压没二自然铜的主要成分是()生压没二 A. FeS2 B. Na2SO4middot;10H2O C. Cu D. HgS E. Fe2O3
硼及其化合物在工业上有许多用途。以铁硼矿(主要成分为Mg2B2O5·H2O和Fe3O4,还有少量Fe2O3、FeO、CaO、Al2O3和SiO2等)为原料制备硼酸(H3BO3)的工艺流程如图所示:
First page of articledoi:10.1002/pssa.2210450255de Menezes, J. VInstituto de Física, Universidade Federal do Rio de JaneiroBarros, F. de SInstituto de Física, Universidade Federal do Rio de JaneiroWILEY‐VCH VerlagPhysica Status Solidi