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Merck
CN
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安全信息

24304

Supelco

β-DEX™ 120

L × I.D. 30 m × 0.25 mm, df 0.25 μm

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EC 号:
231-493-2
UNSPSC代码:
41115710
eCl@ss:
32119290

物料

fused silica

质量水平

100

描述

GC capillary column

参数

30-230 °C temperature

β值

250

df

0.25 μm

技术

gas chromatography (GC): suitable

长度 × 内径

30 m × 0.25 mm

基质活性基团

non-bonded; 20% permethylated β-cyclodextrin in SPB-35 poly(35% phenyl/65% dimethylsiloxane) phase

应用

agriculture
chemicals and industrial polymers
cleaning products
clinical
cosmetics
environmental
flavors and fragrances
food and beverages
forensics and toxicology
life science and biopharma
personal care
pharmaceutical (small molecule)

色谱柱类型

capillary chiral

分离技术

chiral

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相关类别

一般描述

毛细管GC柱也称开口管柱。载气流过中心孔，并且在整个柱长上不受限制。
β-DEX 120 柱中的手性固定相包含嵌入中极性固定相的全甲基化 β-环糊精。建议将它们用于众多手性化合物(酮、酯、烷烃、烯烃、醇、酸、酯等)的对映异构体分离。10% (β-DEX 110) 和 20% (β-DEX 120) β-环糊精的含量保持相似的对映立体选择性,但改变了流出的顺序。

应用

β-DEX™ 120手性毛细管柱用于手性双(恶唑啉基甲基)胺配体的GC分析。

化学/物理抗性

温度范围：
  • 30℃至230℃

其他说明

我们提供各种色谱配件，包括 分析注射器

法律信息

DEX is a trademark of Sigma-Aldrich Co. LLC

法规信息

新产品

分析证书(COA)

输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ （Lot或Batch）字后找到。

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. What's the difference between Product 24304, β-DEX™ 120 and ?-DEX™ 110?

    The stationary phase of the 110 is 10% permethylated while the 120 is 20% permethylated.

  4. What is the diameter of the column cage for Product 24304, β-DEX™ 120?

    The diameter of the column cage is 6in.

  5. Is the phase bonded for Product 24304, β-DEX™ 120 capillary column?

    No, the beta-DEX stationary phases are non-bonded.

  6. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  7. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

A new chiral bis (oxazolinylmethyl) amine ligand for Ru-catalyzed asymmetric transfer hydrogenation of ketones.
Yutong J
Journal of the American Chemical Society, 120 (15), 3817-3818 (1998)
Scott RPW.
Introduction to Analytical Gas Chromatography, 101-102 (1997)

我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.

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