General description
Retention Mechanism: Cation exchange
Sample Matrix Compatibility: Organic or aqueous solutions
- A polymerically bonded, ethylenediamine triacetic acid phase with a pKa of 4.8
- Counter ion is Na+
- Ion exchange capacity is ∼ 0.15 meq/g
- Carries a negative charge at pH 6.8 or above
- A pH of 2.8 or below neutralizes this phase for easier elution of strong cationic analytes that are neutralized only at extreme basic conditions
- Typically used when dealing with very strong cationic (high pKa) compounds that may be irreversibly retained on strong cation exchangers
Legal Information
Discovery is a registered trademark of Sigma-Aldrich Co. LLC
material: polypropylene tube. Quality Level: 100. product line: Discovery®. . composition: bed wt., 50 . mg . packaging: pk of 108. technique(s): solid phase extraction (SPE): suitable. surface area: 480 . m2/g . volume: 1 . mL . matrix: Silica gel base material (irregularly shaped, acid washed). matrix active group: carboxypropyl bonding. particle size: 50 . μ. m. pore size: 0.9 . mL/g pore volume, 70 . Ã… pore diameter. capacity: 0.15 . meq/g total capacity. application(s): food and beverages. separation technique: ion exchange. Pictograms: GHS05,GHS07. Signal Word: Danger. Hazard Statements: H317 - H318 - H412. Precautionary Statements: P273 - P280 - P302 + P352 - P305 + P351 + P338 + P310. Hazard Classifications: Aquatic Chronic 3 - Eye Dam. 1 - Skin Sens. 1. Storage Class Code: 11 - Combustible Solids. WGK: WGK 3. Flash Point(C): > 240 °C.- UPC:
- 41116107
- Condition:
- New
- Availability:
- 3-5 Days
- Weight:
- 1.00 Ounces
- HazmatClass:
- No
- MPN:
- 52737-U
