Table 3 XRF test of quartz.

From: Experimental investigation of wettability alteration in sandstone rock by nanoparticles, gelatin biopolymer, salt ions, and synthesized Fe3O4/gelatin nanocomposite for EOR applications

Quartz

Element

Amount (%)

SiO2

95.66

Al2O3

1.57

BaO

< 0.01

CaO

0.38

Fe2O3

0.6

K2O

0.34

MgO

0.21

MnO

0.01

Na2O

0.06

P2O5

0.05

SO3

< 0.05

TiO2

0.2

Cr2O3

0.02

Cu

< 0.01

Pb

< 0.01

Zn

< 0.01

LOI*

0.9

  1. *Loss on ignition.
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