Nebulization assisted molecular LIBS for sensitive and fast fluorine determination in aqueous solutions

Abstract

The determination of halogen content in liquid samples by conventional Laser Induced Breakdown Spectroscopy (LIBS) is a difficult task due to the high excitation threshold of these elements. The indirect...

Atomic spectrometry update: review of advances in atomic spectrometry and related techniques

“…Instrumentation. A novel calibration approach based on online nebulisation of different concentrations of an aqueous solution of NaF onto a CaCO 3 pellet was developed and optimised by Méndez-López et al 104 to obtain F concentration calibration curves from LIBS molecular emission of CaF. The method provided LODs for F of 10 mg kg −1 with a linear response range up to 900 mg kg −1 .…”

Atomic spectrometry update: review of advances in atomic spectrometry and related techniques

“…4.1.2 Instrumentation. A novel approach based on online nebulisation of different concentrations of an aqueous solution containing halogens (e.g., NaF), directed towards a substrate containing an alkali-earth metal (e.g., a CaCO 3 pellet), was developed by Méndez-López et al 137 to obtain proper F calibration curves from molecular emission (e.g., for CaF). The optimised microanalysis conguration resulted in an LOD of 10 mg kg −1 with a linear range up to 900 mg kg −1 .…”

“…, NaF), directed towards a substrate containing an alkali-earth metal ( e.g. , a CaCO 3 pellet), was developed by Méndez-López et al 137 to obtain proper F calibration curves from molecular emission ( e.g. , for CaF).…”

In-Situ Online Detection Of Atmospheric Volatile Organic Compounds Based On Laser Induced Breakdown Spectroscopy: A Review

“…Mendez-Lopez et al nebulized an aqueous solution of NaF onto the Ca-containing pellets to obtain molecular emission bands of CaF. 46 This method was used to detect fluorine content in liquids, and the experimental accuracy deviation of the three mouthwashes measured was less than 10%. In addition to solids and liquids, the use of molecular emission bands is also feasible in aerosols.…”