Fig. 7

Pigment particle and line scan elemental analysis. a Magnification of pigment particles in KKT samples and b Cut out of line scan and c the combined line scan elemental analysis (The red frame is the measurement area)

Pigment particle and line scan elemental analysis. a Magnification of pigment particles in KKT samples and b Cut out of line scan and c the combined line scan elemental analysis (The red frame is the measurement area)