Results 61 to 70 of about 1,310 (184)

Preparation of ferric oxide modified diatomite and its application in the remediation of As(III) species from solution

open access: yes, 2012
International audienceA new iron oxide-diatomite system was synthesized in one pot by mixing natural diatomite with a ferrous sulfate solution at room temperature.
Knoerr, R   +3 more
core   +1 more source

Studies of the Meyer Reaction and the Hydrogenation of Para Hydroxyphenylarsonic Acid

open access: yes, 1939
This investigation was proposed to extend the application of the Meyer reaction to the preparation of arsono dicarboxylic acids and their derivatives as amides and esters.It was hoped that this reaction would ultimately provide a means of preparing ...
Barnum, Emmett Raymond
core  

The Plum Curculio and the Plum Gouger. A summer's study of their habits and remedies

open access: yes, 2017
These two arch enemies of the plum seem to vie with one another in their work of destruction in the Valley of the Mississippi. The Plum Curculio, Conotrachelus nenuphar, has received much attention from entomologists and fruit growers for a great many ...
Gillette, C.
core  

Enhanced Redox Conversion of Chromate and Arsenite in Ice

open access: yes, 2018
The redox transformation of trace elements is critically affected by properties of the environmental media. While the environmentally important redox chemical reactions in aquatic environments have been extensively studied, those in the ice phase have ...
CHOI, WONYONG, Kim, Ki Tae
core   +1 more source

Spectroelectrochemical Studies of Adsorbed As(III) and As(V) on Ferrihydrite [PDF]

open access: yes, 2013
At Cameco mine sites in northern Saskatchewan, naturally occurring elements of concern (EOC) such as As, Ni, Mo, and Se are present in uranium ore bodies.
Sigrist, Jessica
core  

Microdomains in freshwater sediment as a driving factor in the biogeochemical processes [PDF]

open access: yes, 2016
A natural arsenic anomaly at Mokrsko is a site of biogenic precipitation of realgar (As4S4) in stream sediment. The extent of the phenomenon in Mokrsko is globally unique.
Duchoslav, Vojtěch
core  

Number One Toxic Environmental Contaminant Element

open access: yes, 2013
Arsenic is a ubiquitous metalloid element ranks as the number one toxic environmental contaminant. Inorganic Arseic is considered the most potential human carcinogen in ground water .
ROY, RATNA
core  

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