4 Cavity ring-down and cavity enhanced spectroscopy using diode lasers

M Mazurenka, AJ Orr-Ewing, R Peverall… - Annual Reports Section …, 2005 - pubs.rsc.org
Continuous wave (cw) diode lasers are increasingly being used as light sources in the
visible and near-IR regions of the spectrum for cavity ring-down spectroscopy (CRDS) and …

Incoherent broad-band cavity-enhanced absorption spectroscopy

SE Fiedler, A Hese, AA Ruth - Chemical physics letters, 2003 - Elsevier
A new highly sensitive method for incoherent broad-band cavity-enhanced absorption
measurements of gaseous samples, using a white-light source is demonstrated. The light of …

Equilibrium, kinetics and mechanism of malachite green adsorption on activated carbon prepared from bamboo by K2CO3 activation and subsequent gasification with …

BH Hameed, MI El-Khaiary - Journal of hazardous materials, 2008 - Elsevier
In this work, the adsorption of malachite green (MG) was studied on activated carbon
prepared from bamboo by chemical activation with K2CO3 and physical activation with CO2 …

Kinetics and equilibrium studies of malachite green adsorption on rice straw-derived char

BH Hameed, MI El-Khaiary - Journal of Hazardous Materials, 2008 - Elsevier
In this work, the potential feasibility of rice straw-derived char (RSC) for removal of CI Basic
Green 4 (malachite green (MG)), a cationic dye from aqueous solution was investigated. The …

Sorption kinetics and isotherm studies of a cationic dye using agricultural waste: broad bean peels

BH Hameed, MI El-Khaiary - Journal of hazardous materials, 2008 - Elsevier
In this paper, broad bean peels (BBP), an agricultural waste, was evaluated for its ability to
remove cationic dye (methylene blue) from aqueous solutions. Batch mode experiments …

Evanescent wave cavity-based spectroscopic techniques as probes of interfacial processes

M Schnippering, SRT Neil, SR Mackenzie… - Chemical Society …, 2011 - pubs.rsc.org
Evanescent wave cavity ring-down spectroscopy (EW-CRDS) is a surface sensitive
technique, which allows optical absorption measurements at interfaces with good time …

Methylene blue adsorption by the waste of Abu-Tartour phosphate rock

GF Malash, MI El-Khaiary - Journal of colloid and interface science, 2010 - Elsevier
Phosphate rock (PR) is an abundant ore and represents the basic raw material for the
phosphatic fertilizer industry. Prior to industrial processing, PR is concentrated by grinding …

Innovations in cavity ringdown spectroscopy

C Vallance - New Journal of Chemistry, 2005 - pubs.rsc.org
Cavity ringdown spectroscopy, based on the decay of light intensity within a high finesse
optical cavity, is one of the most sensitive and versatile spectroscopic absorption techniques …

Adsorption of crystal violet to the silica− water interface monitored by evanescent wave cavity ring-down spectroscopy

AM Shaw, TE Hannon, F Li… - The Journal of Physical …, 2003 - ACS Publications
Evanescent wave cavity ring-down spectroscopy (EW-CRDS) has been used to investigate
the adsorption of crystal violet (CV+) to a charged silica− water interface as a function of bulk …

Incoherent broad-band cavity-enhanced absorption spectroscopy of liquids

SE Fiedler, A Hese, AA Ruth - Review of scientific instruments, 2005 - pubs.aip.org
A new application of incoherent broad-band cavity enhanced absorption spectroscopy
(IBBCEAS) to weak transitions in solution through a very straightforward modification of …