Å

angstrom

Ar

Argon

a.u.

arbitrary units

BE

binding energy

BET

Brunauer-Emmett-Teller and their adsorption model

BJH

Barret-Joyner-Halenda and their adsorption model

°C

degree Celsius

CHT

calcined hydrotalcite

CDCl₃

chloroform-d

DMSO-d ₆

dimethyl-d ₆ sulphoxide

DTA

differential thermal analysis

DTG

differential thermogravimetry

EDX

e nergy- d ispersive X -ray emission spectroscopy

Et

ethyl

Et₂O

ether

ESR

electron spin resonance

FTIR

fourier transformation infrared spectroscopy

GC

gas chromatography

HT

hydrotalcite

IC

ionic current

ICP-OES

inductively coupled plasma-o ptical e mission s pectroscopy

K

kelvin

MAS NMR

magic angle spinning nuclear magnetic resonance

Me

methyl

MS

mass spectrometry

NMR

nuclear magnetic resonance

PAS

photoacoustic spectroscopy

PDF No.

powder diffraction file number

pK _a

negative log of ionization constant

PTFE

polytetrafluoroethylene

Py

pyridine

RT

room temperature

S_BET

specific surface area calculated by BET method

STP

standard temperature and pressure

TEM

transmission electron microscopy

THF

tetrahydrofuran

TG

thermogravimetric analysis

TPD

temperature-programmed desorption

XRD

X-ray diffraction

XPS

X-ray photoelectron spectroscopy