The Discolouration of Human Teeth from Archaeological Contexts: Elemental Analysis of a Black Tooth from a Roman Cranium Recovered from the River Witham, Lincoln, UK

Table 2

Elements detected in powdered tooth material by SEM-EDX.

Element	Scan 1 (light tooth material)		Scan 2 (dark tooth material)
	Weight%	Atomic%	Weight%	Atomic%
C	16.22	26.03	8.57	15.04
O	44.20	53.26	44.48	58.64
Na	0.34	0.29	0.40	0.37
Mg	0.14	0.11	0.18	0.16
Al	0.06	0.04	0.07	0.06
P	11.69	7.28	13.33	9.08
Cl	0.14	0.07	0.15	0.09
Ca	26.32	12.66	30.60	16.10
Fe	0.30	0.11	0.48	0.18
Cu	0.31	0.09	0.28	0.09
Sn	0.28	0.05	0.46	0.08
Pt	—	—	0.99	0.11