Table 2 Density and elemental compositions (% by mass) of six samples of water plus sugar and 11 tissue surrogate inserts.

From: PIBS: Proton and ion beam spectroscopy for in vivo measurements of oxygen, carbon, and calcium concentrations in the human body

  

Density (g cm−3)

Composition (% by mass)

Oxygen

Carbon

Hydrogen

Calcium

Sample

Water

1

88.9

0

11.1

0

+25 g sucrose

1.04

82.8

6.8

10.4

0

+50 g sucrose

1.09

78.4

11.7

9.9

0

+75 g sucrose

1.14

75.1

15.4

9.5

0

+130 g sucrose

1.21

70.1

21.1

8.8

0

+180 g sucrose

1.35

67.1

24.4

8.5

0

Tissue surrogate

Adipose

0.943

16.3

72.3

9.1

0

BR-12-Breast

0.983

17.9

70.1

8.6

0.95

Solid-Water

1.015

19.9

67.3

8

2.31

Muscle-Gammex

1.053

19.9

67.2

8.1

2.32

BRN-SR2-Brain

1.053

14.9

72.5

10.8

0

LV1-Liver

1.094

20

67

8.1

2.31

IB-Inner-Bone

1.129

23.5

55.6

6.7

8.86

PMMA

1.180

32

60

8

0

CB2-30

1.334

25.6

53.5

6.7

12.01

CB2-50

1.559

32

41.6

4.8

20.01

SB3-Cortical-Bone

1.821

36.5

31.4

3.4

26.81

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