Constituents

Chemical properties of quarry dust and natural sand

Quarry dust

Natural sand

Test method

SiO₂

62.48

80.78

IS 4032-1968

Al₂O₃

18.72

10.52

IS 4032-1968

Fe₂O₃

6.54

1.75

IS 4032-1968

CaO

4.83

3.21

IS 4032-1968

MgO

2.56

0.77

IS 4032-1968

Na₂O

Nil

1.37

IS 4032-1968

K₂O

3.18

1.23

IS 4032-1968

TiO₂

1.21

Nil

IS 4032-1968

Loss of ignition

0.48

0.37

IS 4032-1968