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Discovery® DSC-WCX SPE Tube

SUPELCO/52737-U - bed wt. 50 mg, volume 1 mL, pk of 108

Product Type: Equipment/Book

Catalog Number PKG Qty. Price Quantity
45-52737-U 108 ea
$330.00
1/EA
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application(s) food and beverages
capacity 0.15 meq/g total capacity
composition bed wt., 50 mg
material polypropylene tube
matrix Silica gel base material (irregularly shaped, acid washed)
matrix active group carboxypropyl bonding
packaging pk of 108
particle size 50 μm
pore size 0.9 mL/g pore volume
  70 Å pore diameter
product line Discovery®
Quality Level 100 
separation technique ion exchange
surface area 480 m2/g
technique(s) solid phase extraction (SPE): suitable
volume 1 mL
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 Merck KGaA, Darmstadt, Germany
UNSPSC 41115712

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