13187-U
Dowex 21K XLT-Harz
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About This Item
UNSPSC-Code:
41115710
NACRES:
SB.52
Qualitätsniveau
Allgemeine Beschreibung
Dowex 21K XLT is a strong basic anionic exchange resin, which selectively adsorbs gold-cyanide complex. Dowex is used as a solid acid catalyst in organic synthesis. Dowex polymer is highly efficient solid acid catalyst for the regioselective ring opening of epoxides to β-hydroxy thiocyanates.
Anwendung
- Dowex 21K XLT was used to detect the existence of gold-cyanide complex using Scanning electron microscopy and Energy dispersive X-ray spectroscopy.
- Dowex 21K XLT was used to remove excess amount of arsenate during the analysis of arsines using atomic fluorescence spectrometer.
Rechtliche Hinweise
Lagerklassenschlüssel
13 - Non Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
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Selective adsorption of the gold-cyanide complex from waste rinse water using Dowex 21K XLT resin
Ok, Yong Sik, and Choong Jeon.
Journal of Industrial and Engineering Chemistry (Amsterdam, Netherlands), 20, 1308-1312 (2014)
Dowex as Reusable Acidic Polymeric Catalyst in the Efficient and Regioselective Conversion of Epoxides into β-Hydroxy Thiocyanates under Solvent Free Conditions.
Kiasat, Ali Reza, and Mehdi Fallah-Mehrjardi.
J. Chin. Chem. Soc., 55, 1119-1124 (2008)
Efrén Ordóñez et al.
The Journal of biological chemistry, 284(22), 15107-15116 (2009-03-17)
We identified the first enzymes that use mycothiol and mycoredoxin in a thiol/disulfide redox cascade. The enzymes are two arsenate reductases from Corynebacterium glutamicum (Cg_ArsC1 and Cg_ArsC2), which play a key role in the defense against arsenate. In vivo knockouts
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