P - Technische Universiteit Eindhoven
P - Technische Universiteit Eindhoven
P - Technische Universiteit Eindhoven
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2. Single crystal growth of sodium sulfate heptahydrate 24<br />
x2<br />
y1<br />
a<br />
y2<br />
x1<br />
5 mm<br />
b<br />
growth from center [mm]<br />
time [s]<br />
c<br />
growth from center [mm]<br />
time [s]<br />
Fig. 2.7: (a) Image of a single sodium heptahydrate crystal grown at 4.8 ◦ C in a 100 µl droplet<br />
with an initial concentration c 0 = 2.5 mole/kg. (b) Measured dimensions of a crystal<br />
grown in a solution with initial concentration c 0 = 2.5 mole/kg. (c) Measured dimensions<br />
in four directions of a crystal grown in a solution with initial concentration<br />
c 0 = 3.4 mole/kg. The error of the measurement is ±0.2 mmole/kg.