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Table 2 Chemical compositions of the raw and purified bentonite expressed as weight percent of major element oxides based on X-ray fluorescence analyses

From: Characterization and purification of Algerian natural bentonite for pharmaceutical and cosmetic applications

Sample

SiO2 (%)

Al2O3 (%)

Fe2O3 (%)

MgO (%)

CaO (%)

Na2O(%)

K2O(%)

TiO2(%)

SO3(%)

LOI(%)

RBN

51.47

18.50

2.66

6.16

2.86

1.72

1.14

0.25

0.34

17.19

RBN-1

56.40

19 .22

2

3.11

1.56

3.12

1

0.45

0.56

12,58

  1. LOI loss on ignition
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BMC Chemistry

ISSN: 2661-801X

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