Some 'children' compounds can be more toxic than the 'parent' PAHs

25-Mar-2021

When power stations burn coal, a class of compounds called Polycyclic Aromatic Hydrocarbons, or PAHs, form part of the resulting air pollution. Researchers have found that PAHs toxins degrade in sunlight into 'children' compounds and by-products. Some 'children' compounds can be more toxic than ...

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18-Nov-2019

Specialty chemicals company LANXESS sells its 74 percent stake in its chrome ore mine in Rustenburg/South Africa to Clover Alloys (SA) Proprietary Limited, a South African supplier of chrome fine ores. On November 15, 2019 both companies signed a corresponding agreement. The parties have agreed ...

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Produce useful compounds from non-edible plant waste through xylochemistry

19-Aug-2019

A team of international scientists has found an environmentally friendly way of producing potential sunscreens by using cashew nut shells, a waste material. The team of "green chemists" from the University of the Witwatersrand, along with colleagues from Universities in Germany, Malawi and ...

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05-Aug-2019

Brenntag has signed an agreement to acquire the operating business of Chemgrit Cosmetics (Pty) Ltd., headquartered in Johannesburg, South Africa. The company, part of the larger Chemgrit chemicals group, is an independent specialty chemical distributor in South Africa with a focus on personal ...

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Successful premiere for analytica Lab Africa

17-Jul-2019

The first analytica Lab Africa took place from July 09 to 11, 2019, at the Gallagher Convention Center in Johannesburg: 148 exhibitors from 15 countries presented their tailor-made solutions from laboratory technology, analysis, biotechnology and diagnostics for the African market. analytica Lab ...

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A new device for manipulating and moving tiny objects with light

29-Nov-2018

When you shine a beam of light on your hand, you don't feel much, except for a little bit of heat generated by the beam. When you shine that same light into a world that is measured on the nano- or micro scale, the light becomes a powerful manipulating tool that you can use to move objects around ...

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24-Nov-2017

Sasol unveiled its refined corporate strategy, which sets a clear path for sustainable growth and accelerated shareholder returns. Joint President and Chief Executive Officer (CEO), Stephen Cornell says: "In developing our strategy, we considered both the opportunities and risks we face, informed ...

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Expansion of the analytica network

05-Oct-2017

Messe München bolsters its portfolio with the future market of Africa. By taking over Lab Africa, it is acquiring the only laboratory and analytics trade fair in South Africa, which is part of the analytica trade fair network. The first Lab Africa under the banner of Messe München will take place ...

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In a paradigm shift from conventional electronic devices, exploiting the quantum properties of superlattices holds the promise of developing new technologies

21-Oct-2016

Researchers at the Nanoscale Transport Physics Laboratory from the School of Physics at the University of the Witwatersrand have found a technique to improve carbon superlattices for quantum electronic device applications. Superlattices are made up of alternating layers of very thin ...

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07-Dec-2015

As talks of global warming are once again making headlines, scientists have renewed their efforts to understand how to best limit its effects. For example, sequestrating short-lived climate pollutants, such as methane and black carbon, yields much faster reductions in global warming compared to ...

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