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form
solid
quality
dry
packaging
bucket of 1000 g
technique(s)
AAS: suitable
LPLC: suitable
surface area
1100 m2/g
impurities
≤5% moisture content
matrix
styrene/divinylbenzene (macroporous)
matrix active group
polymer
particle size
20-50 mesh
pore size
1.16 mL/g pore volume
46 Å mean pore size
separation technique
reversed phase
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General description
Dowex Optipore® V-493 is a polystyrene-divinylbenzene hydrophobic resin. It has large surface area, exhibit high capacity for organic compounds and with good desorption properties, performs better at low metal concentrations.[1]
Application
Dowex Optipore® V-493 was used in determination of cadmium(II) and lead(II) after their solid phase extraction as dibenzyldithiocarbamate chelates by flame atomic absorption spectrometry.[2]
Dry form of DOWEX OPTIPORE® L493, used for vapor applications: volatile organics and hazardous air pollutants. The resin is more hydrophobic than activated carbon, and does not exhibit catalytic activity. Formerly known as XUS-43493.01.
Legal Information
DOWEX OPTIPORE is a registered trademark of The Dow Chemical Company or an affiliated company of Dow
Storage Class
13 - Non Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Irina Komjarova et al.
Analytica chimica acta, 576(2), 221-228 (2007-08-29)
Three major types of pre-concentration methods were evaluated and optimised for the extraction and determination of Cd, Cu, Ni, Pb and Zn from seawater samples. The traditional APDC/DDDC-Freon liquid-liquid extraction method showed excellent results for a multi-elemental analysis. However, the
Esra Melek et al.
Analytica chimica acta, 578(2), 213-219 (2007-08-29)
An enrichment procedure for cadmium and lead after their solid phase extraction as dibenzyldithiocarbamate chelates on Dowex Optipore V-493 has been established prior to their flame atomic absorption spectrometric determinations. The analytical parameters including pH, amounts of dibenzyldithiocarbamate, sample volume
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