A Clean, Simple, and Efficient Synthesis of 2-Substituted Aryl (Indolyl) Kojic Acid Derivatives by Kaolin/Ag Nanocomposite as a Reusable Catalyst: A Green Protocol

Table 1

Study of BET tests of Kaolin and Kaolin/Ag nanocomposite.

Entry	Type of measurement	Kaolin	Silver/kaolin
1	Sample weight (g)	0.1527	0.2412
2	Temperature (k)	77	77
3	Saturated vapor pressure (KPa)	89.013	89.009
4	Mean pore diameter (nm)	41.65	54.70
5	Total pore volume (cm^3·g^−1)	0.1064	0.1013
6	As, BET (m^2·g^−1)	1.02	7.41