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Heavy metal in urban wetlands

Date: Jan 15, 2010

Author: David Bradley

A study of metal contaminants in urban lakes in India using atomic absorption spectroscopy reveals that mitigation actions aimed at removing the pollution may not be a long-term remedy for the problem.

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Quadrupole ICP-MS: Introduction to instrumentation, measurement techniques and analytical capabilities

Date: Jan 4, 2010

Author:

This back-to-basics review is aimed at the novice user and includes a guide to ICP-MS instrumentation and performance.

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Medical fly guys

Date: Dec 15, 2009

Author: David Bradley

Inductively coupled plasma-optical emission spectroscopy and X-ray fluorescence have been used to investigate the content of incinerated medical waste fly ash revealing important details about elemental concentrations in this problematic waste.

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Differentiation of eight tea (Camellia sinensis) cultivars in China by elemental fingerprint of their leaves

Date: Dec 2, 2009

Author:

Elemental fingerprint techniques, based on elemental contents determined by inductively coupled plasma atomic emission spectrometry (ICP-AES) and multivariate statistical analysis, have been used to differentiate eight tea cultivars.

Read More thumbnail image: Differentiation of eight tea Camellia sinensis cultivars in China by elemental fingerprint of their leaves

Metallic environmental mops

Date: Nov 15, 2009

Author: David Bradley

Inductively coupled plasma spectroscopy and mass spectrometry revealed that natural metal chelators, so-called siderophores, which are produced by bacteria and plants, make much better absorbers of cadmium, and potentially other toxic metals, than synthetic EDTA, and so could improve the efficiency of phytoremediatioon systems.

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Determination of lead content in medicinal plants by pre-concentration flow injection analysis-flame atomic absorption spectrometry

Date: Nov 2, 2009

Author:

A pre-concentration flow injection analysis-flame atomic absorption spectrometric system was developed to determine the lead content in medicinal plants at the ppb level.

Read More thumbnail image: Determination of lead content in medicinal plants by pre-concentration flow injection analysis-flame atomic absorption spectrometry

Telluride temperature test, just right

Date: Oct 15, 2009

Author: David Bradley

Researchers in India have used laser spectroscopy and other techniques to study a novel doped telluride glass of technological interest. The material could have potential as new kind of high temperature sensor.

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Determination of trace elemental concentrations in document papers for forensic comparison using ICP-MS

Date: Oct 5, 2009

Author:

The potential to differentiate paper samples based on trace element concentrations was investigated using ICP-MS to measure trace element concentrations of Mg, Al, Mn, Fe, Sr, Y, Ba, Ce, and Nd.

Read More thumbnail image: Determination of trace elemental concentrations in document papers for forensic comparison using ICP-MS

Extracting the dental lead

Date: Sep 15, 2009

Author: David Bradley

Lead contamination in the black paper used to mask dental X-ray paper has been determined for the first time using AAS. The worrying results suggest that the used material represents an environmental waste problem requiring pre-treatment before disposal.

Read More thumbnail image: Extracting the dental lead

Determination of nickel, calcium and magnesium in xylem sap by flame atomic absorption spectrometry using a microsampling technique

Date: Sep 7, 2009

Author:

A microsampling technique for the determination of elements in xylem sap from different plants by flame atomic absorption spectrometry was optimised in terms of sample volume and integration time.

Read More thumbnail image: Determination of nickel calcium and magnesium in xylem sap by flame atomic absorption spectrometry using a microsampling technique
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