Does thiosemicarbazide lead nitrate (TSLN) crystal exist?
  The authors of a recent paper (Optik 125 (2014) 2022-2025) claim to have grown a so called thiosemicarbazide lead nitrate (TSLN) crystal by the slow evaporation method. In this comment we prove that TSLN is actually thiosemicarbazide. 
R. Fernandes, Bikshandarkoil R. Srinivasan
cond-mat.mtrl-sci