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Composition and pH of the salt solutions used<br />
to produce the five muds.<br />
Species Mud 1<br />
Neutral<br />
Mud 2<br />
Acid<br />
Mud 3<br />
Maritime<br />
Mud 4<br />
Acid Mari.<br />
Mud 5<br />
Trailer<br />
Water (g) 300 300 300 300 300<br />
NaCl 50 47.5 33.9 33.9 39.43<br />
AlCl 3<br />
x 6H 2<br />
O - 2.5 - Added till pH 0.46<br />
4<br />
MgCl 2<br />
x 6H 2<br />
O - - 11.7 11.7 1.32<br />
CaCl 2<br />
- - 2.1 2.1 5.91<br />
Na 2<br />
SO 4<br />
- - 6.0 6.0 -<br />
KCl - - 1.5 1.5 1.08<br />
Mg 2<br />
SO 4<br />
x 7H 2<br />
O - - 0.075 0.075 -<br />
Ca(NO 3<br />
) 2<br />
- - 0.06 0.06 -<br />
NH 4<br />
NO 3<br />
- - 0.04 0.04 -<br />
FeCl 2<br />
x 4H 2<br />
O - - - - 0.25<br />
pH 7.1 3.2 5.5 4.0 4.2<br />
Date: 2004-01-13 • Page: 12 • Hydro Aluminium
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