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Interstellar cyanoacetylene: Cationic and cloudy

Date: Aug 15, 2015

Author: David Bradley

Researchers in China have used zero-kinetic energy photoelectron spectroscopy to determine the quantum energy levels of the cyanoacetylene cation with unprecedented detail, the work has fundamental merit in organic chemistry but might also improve our understanding of interstellar clouds and the atmosphere of Saturn's largest moon Titan where this ion is present in abundance.

Read More thumbnail image: Interstellar cyanoacetylene Cationic and cloudy

Journal Highlight: Elemental composition of edible nuts: fast optimization and validation procedure of an ICP-OES method

Date: Aug 3, 2015

Author: spectroscopyNOW

An ICP-OES method has been devised for the speedy simultaneous detection of 19 elements in walnuts, almonds, hazelnuts, Brazil nuts, cashews, pistachios and peanuts.

Read More thumbnail image: Journal Highlight Elemental composition of edible nuts fast optimization and validation procedure of an ICP-OES method

Heavy metals: Atomic coffee analysis

Date: Jul 15, 2015

Author: David Bradley

Researchers in Poland have developed a simple alternative to the wet digestion sample preparation for roasted ground and instant coffee samples that allows them to carry out inductively coupled plasma optical emission spectrometry and flame atomic absorption spectrometry for more effective elemental analysis.

Read More thumbnail image: Heavy metals Atomic coffee analysis

Journal Highlight: Advanced hair damage model from ultra-violet radiation in the presence of copper

Date: Jul 1, 2015

Author: spectroscopyNOW

The mechanisms involved in hair damage by UV exposure involving reactive oxygen species have been examined, using ICP-OES to locate copper within the hair.

Read More thumbnail image: Journal Highlight Advanced hair damage model from ultra-violet radiation in the presence of copper

Real-time MOF self assembly: Liquid electron view

Date: Jun 15, 2015

Author: David Bradley

Liquid cell transmission electron microscopy has been used to visualize the growth of 'nanoscale' chemical complexes in real time.

Read More thumbnail image: Real-time MOF self assembly Liquid electron view

Journal Highlight: Simultaneous analysis of Cr(III), Cr(VI), and chromium picolinate in foods using CE-ICP-MS

Date: Jun 1, 2015

Author: spectroscopyNOW

A method for the simultaneous detection of trace Cr(VI), Cr(III), and chromium(III) picolinate in foods using CE-ICP-MS together with ultrasonic-assisted extraction has been developed.

Read More thumbnail image: Journal Highlight Simultaneous analysis of CrIII CrVI and chromium picolinate in foods using CE-ICP-MS

Vegging out: Metals in oils by FAAS

Date: May 15, 2015

Author: David Bradley

Optimised ultrasound-assisted liquid-liquid extraction of copper, iron, nickel and zinc from samples of edible vegetable oils facilitates analysis with high-resolution continuum source flame atomic absorption spectrometry (HR-CS FAAS) analysis.

Read More thumbnail image: Vegging out Metals in oils by FAAS

Journal Highlight: Trace determination of lead, chromium and cadmium in herbal medicines using ultrasound-assisted emulsification microextraction combined with GFAAS

Date: May 4, 2015

Author: spectroscopyNOW

Ultrasound-assisted emulsification microextraction combined with GFAAS was shown to be an efficient, rapid, inexpensive and eco-friendly method for the determination of lead, chromium and cadmium in herbal medicines.

Read More thumbnail image: Journal Highlight Trace determination of lead chromium and cadmium in herbal medicines using ultrasound-assisted emulsification microextraction combined with GFAAS

Green coffee: Mineral deposits by FAAS

Date: Apr 15, 2015

Author: David Bradley

Unroasted, green, coffee beans have become a popular alternative to regular coffee because of purported health benefits so getting a clearer picture of what mineral ions and other components might be present in different infusions is important. Now, a fast and simple method for the analysis of infusions has been developed - high resolution-continuum source flame atomic absorption spectrometry - the technique can provide total concentrations of calcium, copper, iron, magnesium and manganese ions.

Read More thumbnail image: Green coffee Mineral deposits by FAAS

Journal Highlight: New ICP-MS results for trace elements in five iron-formation reference materials

Date: Mar 30, 2015

Author: spectroscopyNOW

Bomb and table-top acid dissolution procedures and ICP-MS were used to determine the mass fractions of trace elements in the iron formation reference materials FER-1, FER-2, FER-3, FER-4 and IF-G.

Read More thumbnail image: Journal Highlight New ICP-MS results for trace elements in five iron-formation reference materials
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