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Merck
CN

13187-U

Dowex 21K XLT 树脂 20kg

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NACRES:
SB.52
UNSPSC Code:
41115710
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General description

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.

Application

  • 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.

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存储类别

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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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)
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)

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