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Table 2 XRF total Fe and Si of GR(SO4) and GR(CO3) Si series

From: Silicate coprecipitation reduces green rust crystal size and limits dissolution-precipitation during air oxidation

Sample

Calculated % mol Si

Fe (mol g−1)

Si (mol g−1)

Measured % mol g−1 Si*

GR(SO4)

0

1.74

0.03

2

1

1.72

0.04

2.3

10

1.58

0.29

10.1

50

1.08

0.66

37.9

GR(CO3)

0

1.78

0

0

1

1.76

0.03

1.7

10

1.66

0.23

12.1

50

1.39

0.77

35.6

  1. *% Si calculated by (Si mol g−1/(Si + Fe mol g−1))
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Geochemical Transactions

ISSN: 1467-4866

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