Assessing antibiotic sorption in soil: a literature review and new case studies on sulfonamides and macrolides

BMC Chemistry

Table 1 Sorption coefficients of sulfamethazine

Soil type	K_d(L/kg)	Concentration range used	Measurement technique	Reference
Sandy loam	0.27-0.77	1.5, 3.5, 7.5, 10, 15 ppm	HPLC-UV (λ = 275 nm)	[34]
	0.23-1.22	0.3 - 20 ppm	HPLC-UV (λ = 254 nm)	[33]
	9.8-22	0, 0.25, 0.50, 1.0, 2.5, 4.0 ppm	HPLC-UV (λ = 275 nm)	[32]
	0.95-19.53	17.7, 35.4, 53.1, 70.8, 88.5 ppb	Liquid scintillation counting	ED
	0.95-19.53		(LSC) with ¹⁴C-SMZ	Method 1
	1.0-7.52	1, 3, 10, 20, 30, 50, 100, 300 ppb	LSC with ¹⁴C-SMZ	ED
	1.0-7.52		LSC with ¹⁴C-SMZ	Method 1
Clay loam	2.88	1.5, 3.5, 7.5, 10, 15 ppm	HPLC-UV (λ = 275 nm)	[34]
Clay loam	16.55 ± 1.41	0.012, 0.122, 1.219 ppm	LSC with ¹⁴C-SMZ	[31]
Loam	1.05-3.91	0.3 - 20 ppm	HPLC-UV (λ = 254 nm)	[33]
	3.1-17	0, 0.25, 0.50, 1.0, 2.5, 4.0 ppm	HPLC-UV (λ = 275 nm)	[32]
	2.83-22.28	17.7, 35.4, 53.1, 70.8, 88.5 ppb	Liquid scintillation counting	ED
	2.83-22.28		(LSC) with ¹⁴C-SMZ	Method 1
	0.9-18.2	1, 3, 10, 20, 30,	LSC with ¹⁴C-SMZ	ED
	0.9-18.2	50, 100, 300 ppb	LSC with ¹⁴C-SMZ	Method 1
	17.10 ± 1.66	0.012, 0.122, 1.219 ppm	LSC with ¹⁴C-SMZ	[31]
Silty clay loam	18.58 ± 2.29	0.012, 0.122, 1.219 ppm	LSC with ¹⁴C-SMZ	[31]
Silt loam	0.82-2.12	1.5, 3.5, 7.5, 10, 15 ppm	HPLC-UV (λ = 275 nm)	[34]
	0.66 - 6.73	2.5 – 50 μM	HPLC-UV (λ = 254 nm)	[30]
	0.66 - 6.73	2.5 – 50 μM	LSC with ¹⁴C-SMZ
	206.18 ± 12.09	0.012, 0.122, 1.219 ppm	LSC with ¹⁴C-SMZ	[31]
Loamy sand	2.3-30	0, 0.25, 0.50, 1.0, 2.5, 4.0 ppm	HPLC-UV (λ = 275 nm)	[32]
Sand	7.52 ± 0.09	0.012, 0.122, 1.219 ppm	LSC with ¹⁴C-SMZ	[31]

Note: Results are soil dependent. ED: experimentally determined. Methodology can be found in the additional files. K_ow of sulfamethazine ranges from 1.042-3.750. K_ow values calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (© 1994-2012 ACD/Labs).

ISSN: 2661-801X