20278
Supelite DAX-8
jar of 100 g
Sinônimo(s):
XAD-8
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About This Item
Código UNSPSC:
23151817
Produtos recomendados
forma
solid
embalagem
jar of 100 g
técnica(s)
HPLC: suitable
LPLC: suitable
ion chromatography: suitable
área da superfície
140 m2/g
matriz
acrylic ester
Grupo ativo da matriz
polymer
tamanho de partícula
40-60 mesh
tamanho de poro
~0.79 mL/g pore volume
225 Å mean pore size
densidade
1.09 g/mL at 25 °C (true wet)(lit.)
1.23 g/mL at 25 °C (skeletal)(lit.)
técnica de separação
reversed phase
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Descrição geral
Supelite DAX-8 is a nonfunctionalised resin with strong hydrophobic organic matter endorsed to humic and fulvic acids. It is also referred as polymethylmethacrylate resin.
Aplicação
Supelite DAX-8 was used as an absorbent in:
- HPLC-SEC fractionation system
- column chromatography
- extraction procedure and extracts were analysed using Cary Eclipse fluorescence spectrophotometer
Adsorbent resin with moderate polarity for compounds up to 150,000 MW. Most commonly used for adsorption of fulvic and humic acids, treatment of paper pulp mill waste, and removal of alcohols, surfactants, and colorants from samples.
Nota de preparo
DAX-8 is a salt imbibed resin, which requires some preparation prior to use. In the protocol below, you may use methanol in place of ethanol.
- First, rinse the adsorbent resin with 2-3 bed volumes (BV) of distilled water.
- Soak overnight in 2 BV of 95% ethanol.
- After soaking, the resin is introduced into the column and rinsed with an additional 2 BV of 95% ethanol.
- Rinse with 2 BV of distilled water to displace the ethanol, followed by 1 BV of 4% (w/v) sodium hydroxide, 2 BV of distilled water, 1 BV 4% (v/v) hydrochloric acid, and finally by distilled water until the pH of the eluent becomes neutral.
Informações legais
Código de classe de armazenamento
11 - Combustible Solids
Classe de risco de água (WGK)
WGK 3
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
Equipamento de proteção individual
Eyeshields, Gloves, type N95 (US)
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