A system of Qualitative Analysis is presented in which ammonium sulfide instead of hydrogen sulfide is used as a source of sulfide ion.
Proceedings of the Iowa Academy of Science
©1935 Iowa Academy of Science, Inc.
Cornog, Jacob and Smith, Lothrop
"Qualitative Analysis without Hydrogen Sulfide,"
Proceedings of the Iowa Academy of Science, 42(1), 106-106.
Available at: https://scholarworks.uni.edu/pias/vol42/iss1/38