Table 3 Quantitative phase analysis for reference and carbonated AAS specimens at three w/b ratios.

From: Alteration in molecular structure of alkali activated slag with various water to binder ratios under accelerated carbonation

Phases

AAS 035

AAS 045

AAS 055

Ref

28D

Ref

7D

14D

28D

Ref

28D

Amorphous

98.8

97.6

97.5

92.9

92.4

87.4

98.8

85.0

Hydrotalcite

1.2

1.2

2.5

1.2

1.3

1.2

1.2

1.2

Vaterite

0.0

1.2

0.0

6.0

6.3

11.4

0.0

13.7

Total

100

100

100

100

100

100

100

100

  1. Ref uncarbonated samples, 7D, 14D, 28D 7-day, 14-day and 28-day carbonated samples, respectively.
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