Table 2.

Element mass fractions of simulated media: basic compositions are according to Ref. [36]. Alternative bone composition is the same as for tooth dentin [38]; alternative bone marrow composition is similar to water.

Atomic No.	Element	Basic composition		Alternative composition
		Bone	Bone marrow	Bone	Bone marrow
1	H	0.035	0.105	0.012	0.11
6	C	0.16	0.414	0.028
7	N	0.042	0.034	–
8	O	0.445	0.439	0.44	0.89
9	F	–	–	0.0096
11	Na	0.003	0.001	0.007
12	Mg	0.002	0.002	0.011
14	Si	–	–	0.000007
15	P	0.095	0.002	0.16
15	S	0.003	0.002	–
17	Cl	–	–	0.0074
19	K	–	–	0.0007
20	Ca	0.215	–	0.331
26	Fe	–	–	0.0000067
30	Zn	–	–	0.00017
Density, g cm−3		1.9	0.98	1.9	0.98