Species Identification and Effects of Aromatic Hydrocarbons on the Fluorescence Spectra of Different Oil Samples in Seawater

Table 1

Characteristics of the tested oil samples.

Number	Oil sample	API gravity^1 (°)	Viscosity (50°C, mm^2/s)	Oil species
1	Kuwait crude	31.8	6.96	Light crude oil
2	Iranian crude	35.0	5.2	Light crude oil
3	180# fuel	11.3	180.0	Heavy fuel oil
4	380# fuel	11.3	380.0	Heavy fuel oil
5	0# diesel	38.2	3.35	Refined oil
6	−10# diesel	38.2	3.40	Refined oil

¹American Petroleum Institute (API) gravity = (141.5/specific gravity (60°F))−131.5.