Table 2 Results of XRF analysis of catalyst.

From: Bentonite/Ti(IV) as a natural based nano-catalyst for synthesis of pyrimido[2,1-b]benzothiazole under grinding condition

Sample. No.

SiO2

Al2O3

Fe2O3

CaO

MgO

Na2O

K2O

TiO2

MnO

P2O5

LOI

%

%

%

%

%

%

%

%

%

%

%

T

34.525

6.882

2.045

1.907

1.521

1.01

0.384

20.205

0.037

0.047

21.02

S

Cl

Ba

Co

Cr

Cu

Mo

Ni

Sr

V

Zn

Zr

Ce

La

Pb

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

5996

103246

778

42

13

N

N

22

143

N

N

93

33

N

N