21567-U

Supelite DAX-8

jar of 1000 g

• Synonyme(s) : XAD-8
• Code UNSPSC : 23151817
• Nomenclature NACRES : SB.52

Propriétés

• Forme: solid
• Conditionnement: jar of 1000 g
• Technique(s): HPLC: suitable; LPLC: suitable; ion chromatography: suitable
• Superficie: 140 m²/g
• Matrice: acrylic ester
• Groupe de la matrice active: polymer
• Taille des particules: 40-60 mesh
• Dimension de pores: ~0.79 mL/g pore volume; 225 Å mean pore size
• Densité: 1.09 g/mL at 25 °C (true wet)(lit.); 1.23 g/mL at 25 °C (skeletal)(lit.)
• Technique de séparation: reversed phase

Description

Description générale

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.

Application

Supelite DAX-8 was used as an absorbent in:

• HPLC-SEC fractionation system
• column chromatography.
• extraction procedure and these extracts were analysed using Cary Eclipse fluorescence spectrophotometer

Résine adsorbante de polarité modérée pour les composés de PM jusqu′à 150000. Principalement utilisée pour l′adsorption des acides fulviques et humiques, le traitement des déchets des usines de pâte à papier, et l′élimination des alcools, des agents de surface et des colorant

Notes préparatoires

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.

Informations légales

Informations sur la sécurité

• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable
• Équipement de protection individuelle: Eyeshields, Gloves, type N95 (US)