Sulfidation rate constant
Describes the rate at which a metalbased nanoparticle reacts with available sulfide to form metal sulfides.

Used for 

Algorithms 
Procedure 
Where \(F_{CuO,t}\) is the remaining fraction of \(CuO\) at time \(t\) of the reaction of \(CuO\) with \(HS^{}\), \(k\) is the Pseudo firstorder reaction rate coefficient and \(t\) is the time. Pseudo firstorder reaction rate coefficient \(k\) is defined as: 
Colorimetric method using Zincon Xray absorption spectroscopy 
Read more 
Read also 
A. Gogos, B. Thalmann, A. Voegelin and R. Kaegi, Sulfidation kinetics of copper oxide nanoparticles, Environmental Science: Nano, 2017, 4, 17331741. 
B. Thalmann, A. Voegelin, E. Morgenroth and R. Kaegi, Effect of humic acid on the kinetics of silver nanoparticle sulfidation, Environmental Science: Nano, 2016, 3, 203212. R. Kaegi, A. Voegelin, C. Ort, B. Sinnet, B. Thalmann, J. Krismer, H. Hagendorfer, M. Elumelu and E. Mueller, Fate and transformation of silver nanoparticles in urban wastewater systems, Water research, 2013, 47, 38663877. 
Contact
Alexander Gogos
EAWAG, Switzerland