in kerosene) and stripped with 2 mol L-1 NH4OH (25 ºC, one stage, aqueous/organic ratio = 1 v/v). Tungsten was isolated as ammonium paratungstate at very high yield (> 97.5%). The elements were better ...

Department of Chemistry and Biochemistry, Brooklyn College of the City University of New York, 2900 Bedford Ave., Brooklyn, New York 11210, United States Department of Chemistry, The Graduate Center ...

Coatings have significantly improved tungsten carbide tool performance. The first significant advancement came with the development of a thin titanium carbide coating, approximately 5 µm thick, ...

Chemical Engineering is concerned with the design and operation of processes which convert materials and energy into the higher value products we use every day. It understands the processes which ...

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Institute of Sustainability for Chemicals, Energy and Environment (ISCE 2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Singapore 627833, Republic of Singapore ...

Since 1965 we have been manufacturing precision metal products in the United States. We are a veteran-founded, woman-led business dedicated to mak...READ MORE ...

Tungsten West is trying to secure £2.8m of funding by the end of next month A mining company looking to extract one of the world's largest deposits of the mineral tungsten has said it is ...

Ammonium nitrate is commonly used as an agricultural ... white bags containing the chemical are visible. The main indicator of its deadly potential is a fire truck parked outside on the quay.

The first step in USNCO, held each March. High school students can participate by registering with ACS. Registration does not guarantee participation. Students will be notified by their ACS Local ...