International Journal of Concrete Structures and Materials

Table 1 Chemical composition (elements) of the investigated fly ashes.

From: Mix-design and Properties of Mortars from Alkali-activated Fly Ashes Containing High Amounts of Unburned Carbon Matter

Element (wt%)	FA(LCC)	FA(HCC)
Carbon	9.40	19.56
Oxygen	50.47	48.53
Sodium	0.81	0.00
Magnesium	1.08	0.59
Aluminium	9.65	6.70
Silicon	21.8	20.57
Potassium	0.99	0.93
Calcium	2.47	0.43
Titanium	0.65	0.46
Iron	2.68	2.07
Sulfur	0.00	0.17
LOI	10.2	20.5
Blaine (m²/kg)	282	395

Back to article page