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071909美國戴安Dionex Acclaim Mixed-Mode WAX-1 LC Column 液相色譜

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產品名稱: 071909美國戴安Dionex Acclaim Mixed-Mode WAX-1 LC Column 液相色譜
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071909美國戴安Dionex Acclaim Mixed-Mode WAX-1 LC Column 液相色譜  的詳細介紹

美國戴安Dionex Acclaim Mixed-Mode WCX-1 LC Column 液相色譜柱

Acclaim Mixed-Mode WAX-1 LC Column?

Reversed-Phase and Weak Anion-Exchange Properties on a Single Column

The novel column chemistry of the Acclaim??Mixed-Mode WAX-1 results in a multimode separation mechanism including hydrophobic, anion-exchange, and cation-exclusion interactions. Consequently, retention of basic, neutral, and acidic molecules can be either independently or concurrently adjusted by changing ionic strength, pH, and organic solvent content in the mobile phase.

  • Adjustable selectivity
  • Selectivity orthogonal to reversed-phase (RP) columns
  • Ideal selectivity for anionic molecules
  • Simultaneous separation of acidic, basic, and neutral molecules
  • Multimode retention mechanisms: reversed- and normal phase, anion-exchange, cation-exclusion, and HILIC modes

The Acclaim Mixed-Mode WAX-1 column combines hydrophobic and anion-exchange characteristics, on a 5 μm high-purity, porous silica with 120-? diameter pores. Because of this unique chemistry, the Acclaim Mixed-Mode WAX-1 column also provides complimentary selectivity to C18 reversed-phase columns.

Hydrophilic organic acids are often difficult to separate with common RP columns, since hydrophobic retention alone is inadequate to differentiate molecules with similar hydrophobicities. This can be overcome using the Acclaim Mixed-Mode WAX-1 column; it provides sufficient retention, and ideal selectivity for a variety of anionic molecules, even for weakly charged molecules.

Multi-Mode Separation Mechanism

Retention of basic, neutral and acidic molecules can be either independently or concurrently adjusted by changing ionic strength, pH, and organic solvents content in the mobile phase. The presence of anion-exchange functionality control through electrostatic attraction (anions), repulsion (cations). The alkyl chain controls separation by hydrophobic interaction.

A broad range of samples in the?pharmaceutical,?food and beverage?and chemical industries can be separated. Separation of basic active ingredients and its counter-ion can be simultaneously determined, as well as separation of ingredients containing basic, neutral, and acidic ingredients.

技術參數:


Acclaim Mixed-Mode WAX-1 Columns: A simple solution to difficult separations? Specifications
Column ChemistryAlkyl amine
Base silicaSpherical, high-purity
Particle size5 ?m
Pore size120 ?
Surface area300 m2/g

訂購信息:

Analytical Columns
Acclaim Mixed-Mode WAX-1, 3?m Analytical, (3.0 x 150mm)070088
Acclaim Mixed-Mode WAX-1, 3?m Analytical, (3.0 x 50mm)071908
Acclaim Mixed-Mode WAX-1, 3?m Analytical, (2.1 x 150mm)070089
Acclaim Mixed-Mode WAX-1, 5 ?m (4.6 x 150 mm)064984
Acclaim Mixed-Mode WAX-1, 5 ?m (4.6 x 250 mm)064985
Acclaim Mixed-Mode WAX-1, 5 ?m, 2.1 x 150 mm067084
Guard Columns
Acclaim Mixed-Mode WAX-1, 5 ?m Guard Cartridges (4.6 x 10 mm), 2 ea (use V-2 Holder)069704
Acclaim Mixed-Mode WAX-1, 5?m Guards (3 x 10mm), 2ea, requires holder 069580071909
Acclaim Mixed-Mode WAX-1, 5?m, Guards (2.1 x 10mm), 2 ea; requires holder 069580069686
Acclaim SST Guard Cartridge Holder V-2069580
Acclaim Guard Kit (Holder and coupler) V-2069707
Guard to Analytical Column Coupler V-2074188


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