ferric chloride, 2 ml. concentrated hydrochloric acid and 99 ml. methyl alcohol) etching for 20–60 min., revealed cracking as the principal deformation mechanism and twinning as the secondary ...

The solution turns brown. This brown colour is the displaced bromine. The chlorine has gone to form sodium chloride.

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. We have constructed a compact laser-based spectrometer that confines the laser light ...

College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China ...