Cuttica,1 Bulli and Fernandes,2 have reported the use of the triple nitrite compound, K2PbCo(NO2)6 as a sensitive test for the qualitative detection of potassium. They report a sensitivity of 1 part potassium in 10,000 parts water.
Proceedings of the Iowa Academy of Science
© Copyright 1936 by the Iowa Academy of Science, Inc.
Kelm, Everett F. and Wilkinson, J. A.
"The Determination of Potassium as Triple Nitrites,"
Proceedings of the Iowa Academy of Science, 43(1), 169-170.
Available at: https://scholarworks.uni.edu/pias/vol43/iss1/29