Quantification of Tremolite in Friable Material Coming from Calabrian Ophiolitic Deposits by Infrared Spectroscopy

Table 2

Weight concentrations of tremolite detected for the first analytical band and for every set of samples.

The first band 3700–3650 cm^−1
Weight concentration (μg/mg)		Weight%	+/−
Fine sand size
161.5	0.1	16.15	0.01
Medium sand size
>1000	>20	>100	—
Large sand size
230	8	23.02	0.27