Astec CHIRALDEX G-BP SUPELCO 手性气相色谱柱 毛细管柱

Astec CHIRALDEX G-BP SUPELCO 手性气相色谱柱，Supelco（色谱科）位于美国宾夕法尼亚州，是Sigma-Aldrich集团下属的子品牌，Supelco一直通过提供更新的，更可靠的色谱产品和技术支持来帮助色谱工作者来解决问题，其涉及的领域和行业有环境、食品、饮料、政府、医药、化工等

Astec CHIRALDEX G-BP SUPELCO 手性气相色谱柱 毛细管柱
 

• CD Type: γ (gamma)
• Derivative: Butyryl
• Temp. Limits: -10 °C to 200 °C (isothermal) or 220 °C (programmed)

    Incorporates a phase consisting of a 2,6-di-O-pentyl-3-butyryl derivative of γ-cyclodextrin

    This phase has shown its best selectivity for amino acids, certain amines ａnd furan structures. It is a nonpolar phase ａnd has the temperature stability of the alkyl type phases. It is considered a good alternative to the bonded amino phases with much broader separation capabilities.

Features: 

• Separates the widest variety of enantiomers
• Gamma most versatile
• High selectivity for amino acids, amines, furansThermally stable

Analytes:

  Useful for homologous series of:

• Amino acids (primary, secondary, aromatic ａnd aliphatic)
• Amines (primary, secondary, cyclic, aromatic ａnd halogenated)
• Amino alcoholsAlkanes, hydrogenated alkanes
• Alcohols (aliphatic ａnd aromatic)
• Acids (halogenated ａnd hydroxy)
• Esters (aromatic, aliphatic, hydroxy, di-ester)
• DiolsLactones
• Ketones
• Phthalides
• Sulfoxides

Mechanism Observations:

• Alkyl chain on analyte contributes to chiral recognition
• High sample capacity, therefore, primary surface interactions

Size Selectivity:

For this derivative, gamma-cyclodextrin exhibits a much broader selectivity than beta-cyclodextrin. The influence of the inclusion mechanism on selectivity is much reduced ａnd capacities are, therefore, generally higher. -

Astec CHIRALDEX G-BP SUPELCO 手性气相色谱柱 毛细管柱

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Astec CHIRALDEX G-BP SUPELCO 手性气相色谱柱 毛细管柱

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