fig4
From: High-silica KFI zeolite: highly efficient synthesis and catalysis in methanol amination reaction
![High-silica KFI zeolite: highly efficient synthesis and catalysis in methanol amination reaction](https://image.oaes.cc/b353c91d-8eb6-419d-aee8-1d869693a2f4/cs3058.fig.4.jpg)
Figure 4. UV-Vis adsorption spectra of (K+)CCH diluted with different fractions of DI water, and the inserted photographs for the