Results 11 to 20 of about 43,181 (260)

On-line preconcentration using dual mini-columns for the speciation of chromium(III) and chromium(VI) and its application to water samples as studied by inductively coupled plasma-atomic emission spectrometry [PDF]

open access: yes, 2005
On-line preconcentration system for the selective, sensitive and simultaneous determination of chromium species was investigated. Dual minicolumns containing chelating resin were utilized for the speciation and preconcentration of Cr(III) and Cr(VI) in ...
Hamada, Kazuhide   +5 more
core   +1 more source

Synthesis of cross-linked chitosan functionalized with threonine moiety and its application to on-line collection/concentration and determination of Mo, V and Cu [PDF]

open access: yes, 2007
A novel chitosan-based resin functionalized with threonine moiety was synthesized, and applied to the collection/concentration of Mo, V and Cu in environmental water samples, followed by their determination using inductively coupled plasma-atomic ...
Hakim, Lukman   +4 more
core   +1 more source

A study of neutron activation analysis compared to inductively coupled plasma atomic emission spectrometry for geological samples in Iran

open access: yesNuclear Engineering and Technology, 2018
Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) is widely used for the determination of trace elements in geological samples in Iran. In this paper, we have calculated the detection limits of neutron activation analysis (NAA) for some ...
Mohammad Mohammadzadeh   +3 more
doaj   +1 more source

Determination of molybdenum in bean by ICP-AES

open access: yes浙江大学学报. 农业与生命科学版, 2000
The method of determining Mo levels in the bean samples by inductively coupled plasma atomic emission spectrometry (ICP-AES) was studied. The samples were digested using dry-ashing. The detection limit is 0.82 µg·g-1.
WU Jian-zhi
doaj   +1 more source

Determination of Aluminum in Bamboo Pulp Black Liquor by ICP-AES

open access: yesBioResources, 2016
Sodium aluminosilicate scaling in evaporators during alkali recovery is often associated with the concentration of aluminum and silicon in black liquor. The scaling problems are widespread during the utilization of non-wood raw materials.
Yongjian Xu   +3 more
doaj   +1 more source

Characterization of a calcium phospho-silicated apatite with iron oxide inclusions [PDF]

open access: yes, 2011
An iron oxide containing calcium phosphate–silicate hydroxyapatite was synthesized by calcination at 900 °C of a sample obtained by precipitation in basic aqueous solution of Ca, P, Si, Fe and Mg containing acidic solution made from dissolution of ...
Borschneck, Daniel   +4 more
core   +3 more sources

Uptake and cytotoxicity of citrate-coated gold nanospheres : comparative studies on human endothelial and epithelial cells [PDF]

open access: yes, 2012
The use of gold nanoparticles (AuNPs) for diagnostic applications and for drug and gene-delivery is currently under intensive investigation. For such applications, biocompatibility and the absence of cytotoxicity of AuNPs is essential. Although generally
Couraud, Pierre-Olivier   +7 more
core   +7 more sources

Determination of Au and Ag from iron ores combining FA and ICP/AES methods

open access: yesZaštita Materijala, 2018
In this paper, the combination of FA (Flame Analysis of Noble Metals - Cupellation) and ICP/AES (Atomic Emission Spectrometry with Induction Coupled Plasma) methods for determination of Au and Ag in geological samples of iron ore-magnetite was presented.
Dragan Tošković, Miloš Rajković
doaj   +1 more source

PEG supported Cu–Mo mixed metal oxide (CuO–MoO3@PEG): A highly efficient catalyst for the enamination of pyrimidine dione and dimedone

open access: yesCurrent Research in Green and Sustainable Chemistry, 2022
Polyethylene glycol-6000 supported copper-molybdenum nanoparticles (CuO–MoO3@PEG) has been synthesized as a highly efficient, novel and recyclable heterogeneous catalyst by simple impregnation method. The catalyst was characterized by FTIR, XRD, SEM, EDX,
Abdulaziz Abdullah Qasem Ali   +2 more
doaj   +1 more source

Determination of Nb and Ta in Ores and Metallurgical Samples by Inductively Coupled Plasma-Atomic Emission Spectrometry with Ethanol as a Sensitizer

open access: yesYankuang ceshi, 2015
Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES) has been widely used in the determination of Nb and Ta, but its low sensitivity and high detection limits cannot meet the analysis requirement of low content Nb and Ta in ores and ...
YAO Yu-Ling, WU Li-kun, LIU Wei, LI Gang
doaj   +1 more source

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