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Table 2 Average specific heat capacity for a temperature range of 250°C to 420°C

From: Increment of specific heat capacity of solar salt with SiO2 nanoparticles

Specific heat capacity (J g-1K-1)

Sample (number)

Solar salt

Solar salt +0.5% SiO2

Solar salt +1.0% SiO2

Solar salt +1.5% SiO2

Solar salt +2.0% SiO2

1

1.40

1.53

1.85

1.61

1.64

2

1.57

1.55

1.95

1.54

1.65

3

1.39

1.52

1.85

1.41

1.34

4

1.46

1.62

1.78

1.38

1.54

5

1.58

1.43

1.82

1.48

1.49

Average value

1.48

1.53

1.85

1.51

1.53

Standard deviation

0.09

0.07

0.06

0.09

0.12

Enhancement [%]

-

+3.41

+25.03

+2.00

+3.69

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