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THE USE OF A CHELATING AGENT TO DISTINGUISH BETWEEN CRYSTALLINE AND POORLY CRYSTALLINE SILICA: APPLICATIONS TO ALKALI-SILICA …

JN GARCIA - 2011 GSA Annual Meeting in Minneapolis, 2011 - gsa.confex.com
Alkali Silica Reaction (ASR) is a deleterious, expansive reaction in cement and concrete that
can compromise the integrity of roads, buildings, and other structures. Several ASTM methods
have been developed to test potential aggregates for possible ASR risk, including ...
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Surface Contamination Removal From Si PV Substrates Using A Biodegradable Chelating Agent and Detection of Cleaning Endpoints Using UV/VIS Fluorescence …

M George, D Bohling, H Treichel, A Goldstein… - 2011 - sunsonix.com
Considerable effort has been expended to eliminate contaminants that degrade semiconductor
IC performance. These same contaminants have not been adequately addressed in Silicon PV
manufacturing processes. More often than not, PV wafers only receive a quick deionized ...
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IRON CHELATING AGENT, METHOD FOR PRODUCING SAME, METHOD FOR DETERMINING AMOUNT OF IRON IONS AND METHOD FOR TRAPPING IRON IONS

Y Kohg, K Ikuta, K Sasaki… - US Patent …, 2011 - freepatentsonline.com
The present invention provides an iron chelating agent which can selectively chelate iron
ions. The iron chelating agent of the present invention includes a compound represented by
the following formula (1) or a salt thereof (wherein, ring Z represents an aromatic ...
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Chelating agent free-solid phase extraction (CAF-SPE) of Co (II), Cu (II) and Cd (II) by new nano hybrid material (ZrO2/B2O3)

Ö YalçInkaya, OM Kalfa… - Journal of Hazardous Materials, 2011 - Elsevier
New nano hybrid material (ZrO 2 /B 2 O 3 ) was synthesized and applied as a sorbent for the
separation and/or preconcentration of Co(II), Cu(II) and Cd(II) in water and tea leaves prior to
their determination by flame atomic absorption spectrometry. Synthesized nano material ...

Development of highly active and stable non-precious oxygen reduction catalysts for PEM fuel cells using polypyrrole and a chelating agent

HS Oh, JG Oh, B Roh, I Hwang… - Electrochemistry Communications, 2011 - Elsevier
Nitrogen-modified carbon nanofibers to be used as catalysts in the oxygen reduction reaction
(ORR) were synthesized by pyrolysis in the presence of cobalt with PPy and a chelating
agent, such as ethylenediamine (ED). It has been found that the type of nitrogen source ...
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