Table 1.

Molar absorption coefficients values for extracted S-SOM (n = 6).

S-SOM Sample	ε 280	ε 465	ε 665	ε 280/465	ε 280/665	ε 465/665
S1	498.5	55.9	22.5	8.92	22.16	2.48
S2	417.4	40.1	19.9	10.40	20.98	2.02
S3	558.8	52.2	26.3	10.70	21.27	1.99
S4	453.3	75.6	31.7	6.00	14.30	2.38
S5	449.9	54.7	17.7	8.23	25.45	3.09
S6	366.4	57.5	22.9	6.38	16.03	2.51