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Lead and makeup: Drawing the spectral lines

Date: Apr 15, 2019

Author: David Bradley

Laser Induced Breakdown Spectroscopy (LIBS) has been used to test the lead content of commercially available ready to use henna paste from Pakistan. The data were validated against atomic absorption spectroscopy (AAS) and inductively coupled plasma-optical emission spectroscopy (ICP-OES) experiments.

Read More thumbnail image: Lead and makeup Drawing the spectral lines

Journal Highlight: Data trend shifts induced by method of concentration for trace metals in seawater: Automated online preconcentration vs. borohydride reductive coprecipitation of nearshore seawater samples for analysis of Ni, Cu, Zn, Cd, and Pb via ICP‐MS

Date: Apr 3, 2019

Author: spectroscopyNOW

The performance, reproducibility and detection limits for trace metal analysis by ICP-MS in ambient nearshore marine seawater samples have been compared for clean up using borohydride reductive coprecipitation vs. automated chelation column preconcentration.

Read More thumbnail image: Journal Highlight Data trend shifts induced by method of concentration for trace metals in seawater Automated online preconcentration vs_ borohydride reductive coprecipitation of nearshore seawater samples for analysis of Ni Cu Zn Cd and Pb via ICPMS

Natural nanoparticles: AAS mettle tested

Date: Mar 15, 2019

Author: David Bradley

Atomic absorption spectroscopy (AAS) and inductively coupled plasma mass spectrometry (ICP-MS) data have been used to formulate recommendations on safe concentration limits for naturally occurring metal-containing nanoparticles that might be present in drinking water.

Read More thumbnail image: Natural nanoparticles AAS mettle tested

Journal Highlight: Aluminium release by coated and uncoated fluid‐warming devices

Date: Mar 7, 2019

Author: spectroscopyNOW

Aluminium levels in coated and uncoated fluid‐warming devices that used normal saline or balanced electrolyte solution as infusion fluids have been analysed using GFAAS to measure the risk of administering potentially harmful metal concentrations.

Read More thumbnail image: Journal Highlight Aluminium release by coated and uncoated fluidwarming devices

Optical comb-over: Smallest to date

Date: Feb 15, 2019

Author: David Bradley

Researchers in Russia and Switzerland have built the smallest optical frequency comb to date. The photonic integrated, compact, and portable soliton microcomb source developed by scientists at EPFL and the Russian Quantum Centre is less than one cubic centimetre and is driven by an on-chip indium phosphide laser. It consumes less than 1 Watt of electrical power.

Read More thumbnail image: Optical comb-over Smallest to date

Journal Highlight: Characterization and screening of metals, metalloids and biomarkers in crude oil by ICP‐MS/OES, and GC‐MS techniques after digestion by microwave‐induced combustion

Date: Feb 8, 2019

Author: spectroscopyNOW

Medium and light crude oils obtained from different sources have been analyzed by various techniques such as ICP-OES, ICP-MS (following microwave‐induced combustion in closed vessels), asphaltene analyzer, RDE-AES, X-ray fluorescence spectroscopy and FT-IR spectroscopy.

Read More thumbnail image: Journal Highlight Characterization and screening of metals metalloids and biomarkers in crude oil by ICPMSOES and GCMS techniques after digestion by microwaveinduced combustion

Mercury analysis: Fishy solution for AAS

Date: Jan 15, 2019

Author: David Bradley

A new solidified floating organic drop microextraction (SFODME) method has been developed by a team from Thailand and the USA that allows them to determine mercury levels in water and fish sample using electrothermal atomic absorption spectrometry.

Read More thumbnail image: Mercury analysis Fishy solution for AAS

Journal Highlight: Enhancing understanding of the emergence of global trade: Analysis of 17th‐ to 19th‐Century Spanish coins recovered from Western Australian shipwrecks using LA–ICP–MS

Date: Jan 10, 2019

Author: spectroscopyNOW

The trace element fingerprints of 389 silver coins recovered from shipwrecks and held by the Western Australian Museum have been analysed by LA–ICP–MS to sort them into identifiable subgroups to further our understanding of global silver movement in the 17th to 19th centuries.

Read More thumbnail image: Journal Highlight Enhancing understanding of the emergence of global trade Analysis of 17th to 19thCentury Spanish coins recovered from Western Australian shipwrecks using LAICPMS

Journal Highlight: Ionospheric O+ momentum balance through charge exchange with thermospheric O atoms

Date: Nov 26, 2018

Author: spectroscopyNOW

An analysis is presented of the nighttime O+ momentum budget in the F region ionosphere using an unprecedented 27‐year baseline of observations from Arecibo Observatory, to compare data with predictions of the O − O+ charge exchange cross section.

Read More thumbnail image: Journal Highlight Ionospheric O momentum balance through charge exchange with thermospheric O atoms

Wild red wine: Microwave plasma-AES

Date: Nov 15, 2018

Author: David Bradley

The low-cost of microwave plasma-atomic emission spectrometry (MP-AES) outweighs its limitations and offers a simpler alternative technique for the quantitation of transition metals in food and drink samples.

Read More thumbnail image: Wild red wine Microwave plasma-AES
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