1-DDT	1-dodecanethiol
A4F	asymmetric flow field-flow fractionation
AFM	atomic force microscopy
AgNP	silver nanoparticles
AuNP	gold nanoparticles
BMIM PF6	1-butyl-3-methylimidazolium hexafluorophosphate
CL	chemiluminescence
CME	capillary microextraction
CPE	cloud point extraction
CRM	certified reference material
CTAB	cetyltrimethylammonium bromide
CTAC	cetyltrimethylammonium chloride
dSPE	dispersive solid-phase extraction
DLLME	dispersive liquid-liquid microextraction
EDTA	ethylenediaminetetraacetic acid
EF	enrichment factor
ETAAS	electrothermal atomic absorption spectrometry
ETV-ICP-MS	electrothermal vaporization inductively coupled plasma mass spectrometry
Fe3O4@SiO2@IDA–Al3+	Al3+-immobilized on core-shell structure of Fe3O4 and SiO2 microspheres functionalized with iminodiacetic acid
Fe3O4NP	iron oxide nanoparticles
FIA	flow injection analysis
FTIR	Fourier-transform infrared spectroscopy
HA	humic acid
HF-LPME	hollow-fiber liquid-phase microextraction
ICP-MS	inductively coupled plasma mass spectrometry
IL-µLLE	micro liquid-liquid extraction in an ionic liquid
iSAME	in situ suspended aggregate microextraction
IT-SPME	in-tube solid-phase microextraction
LDH	layered double hydroxides
LLE	liquid–liquid extraction
LOD	limit of detection
LPME	liquid-phase microextraction
MSA	mercaptosuccinic acid
MSPE	magnetic solid-phase extraction
MUA	11-mercaptoundecanoic acid
NOM	natural organic matter
OILS	optical incoherent light scattering
PdNP	palladium nanoparticles
PVA	polyvinylalcohol
PVP	polyvinylpyrrolidone
poly(AA-VP-Bis)	poly(acrylamide-vinylpyridine-methylene bis-(acrylamide)
PR-C18	C-18 reversed-phase silica gel
RSD	relative standard deviation
SA-DLLME	surfactant-assisted dispersive liquid-liquid microextraction
SBME	solvent bar microextraction
SBSE	stir bar sorptive extraction
SDME	single drop microextraction
SEM	scanning electron microscopy
s-NC	sulfonated nanocellulose
SPE	solid-phase extraction
(sp)ICP-MS	single particle inductively coupled plasma mass spectrometry
SPME	solid-phase microextraction
SPR	surface plasmon resonance
SSA	sulfosalicylic acid
TEM	transmission electron microscopy
TFME	thin-film microextraction
TiO2NP	titanium dioxide nanoparticles
TS	thiosulphate
TXRF	total reflection X-ray fluorescence spectrometry
UV-Vis	UV/Vis spectrophotometry
XPS	X-ray photoelectron spectroscopy
XRF	X-ray fluorescence
ZnONP	zinc oxide nanoparticles