Version: 04.11.2016
Solution of Magnesium Chloride
Specification
SEES 20 %
Specification
Trade name
Formula
Brine of Magnesium chloride
MgCl2
Chemical composition
Average
Concentration range
Magnesium chloride (MgCl2)
236 g/l
20,0 %
19 %
21 %
Potassium chloride (KCl)
1,2 g/l
0,1 %
0,05 %
0,15 %
Sodium chloride (NaCl)
3,3 g/l
0,28 %
0,2 %
0,30 %
Magnesium sulphate (MgSO4)
0,9 g/l
0,08 %
0,08 %
0,10 %
Calcium sulphate (CaSO4)
0,2 g/l
0,05 %
0,02 %
0,10 %
Demands for Salt Solutions in Germany (TL-Streu 2003)
Real value
Limit value
Real value
Limit value
Arsenic
(As)
< 0,1 mg/l
≤ 0,25 mg/l Copper
(Cu)
< 0,2 mg/l
≤ 0,50 mg/l
Lead
(Pb)
< 0,4 mg/l
≤ 0,50 mg/l Nickel
(Ni)
< 0,2 mg/l
≤ 0,50 mg/l
Cadmium
(Cd)
< 0,1 mg/l
≤ 0,20 mg/l Mercury
(Hg)
< 0,01 mg/l
≤ 0,05 mg/l
Chrome, total
(Cr)
< 0,1 mg/l
≤ 0,50 mg/l Zinc
(Zn)
< 1,0 mg/l
≤ 2,0 mg/l
Iron
(Fe)
< 10 mg/l
not applicable
Physical Data
Density at 20 °C
Corresponds to
pH-value
Specific heat
1,18 g/cm³
22 °Be
5,5 – 7
3,63 MJ / m³*K
Properties
Additive
no
Colour
clear, yellowish / brownish
Solubility
Brine with water in all ratios miscible
Dynamic Viscosity SEES 20
16
14
14,2
12
Viscosity [mPa * s]
0
10
-5,0
-5
-10,3
-10
11,5
9,4
8
-17,5
-22,8
5,3
4,5
3,8
-25
3,3
2
2,9
2,6
-29,1
-30
-33,6
-35
-15 °C
-16,0
-19,9
-20
6,4
4
-14,5
-15
7,7
6
0
-25 °C
Freezing point
[°C]
-5 °C
5 °C
Temperature
15 °C
25 °C
0%
5%
10%
15%
20%
Concentration
25%
30%
35%