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Merck
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Key Documents

584601-U

Supelco

Ascentis® Express 90 Å Biphenyl (2 μm) HPLC Columns

L × I.D. 10 cm × 2.1 mm UUHPLC Column

别名:

Ascentis® Express 90 Å Biphenyl, 2.0 μm HPLC Column

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About This Item

分類程式碼代碼:
41115700
NACRES:
SB.52

product name

Ascentis® Express 90 Å Biphenyl, 2.0 μm HPLC Column, column L × I.D. 10 cm × 2.1 mm

材料

stainless steel column

agency

suitable for USP L11

產品線

Ascentis®

特點

endcapped

包裝

1 ea of

標籤範圍

7.0% Carbon loading

技術

HPLC: suitable
LC/MS: suitable
UHPLC-MS: suitable
UHPLC: suitable

柱長度 × 內徑

10 cm × 2.1 mm

表面積

120 m2/g

基質

Fused-Core® particle platform
superficially porous particle

基質活性組

Biphenyl (dimethylbiphenyl) bonding phase

粒徑

2.0 μm

孔徑

90 Å pore size

工作pH值範圍

2-9

分離技術

reversed phase

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一般說明

Ascentis® Express 90 Å Biphenyl is a high-speed, high-performance liquid chromatography column based on a superficially porous Fused-Core® particle design. The particle provides a thin porous shell of high-purity silica surrounding a solid silica core. This particle design exhibits very high column efficiency due to the shallow diffusion paths in the 0.4 μm thick porous shell and the small overall particle size of 2 μm. The bonded, densely endcapped, dimethyl-biphenyl stationary phase provides a stable, reversed phase packing with enhanced pi-pi and mild steric interactions due to the two sequential phenyl groups bonded to the base silica. The 90 Å Biphenyl can be used for basic, acidic, or neutral compounds with alternate selectivity from C18 and is especially useful for separating peaks that elute early on C18 and other phenyl phases.

分析報告

Target analytes include electron-poor molecules, aromatic or unsaturated compounds (ketones, nitriles, alkenes).

法律資訊

Ascentis is a registered trademark of Merck KGaA, Darmstadt, Germany
Fused-Core is a registered trademark of Advanced Materials Technology, Inc.

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The bonded, densely endcapped, dimethyl-biphenyl stationary phase of Ascentis® Express 90 Å Biphenyl, based on fused-core particles, provides a stable, reversed phase packing with enhanced π-π and mild steric interactions due to the two sequential phenyl groups bonded to the base silica.

相关内容

小分子为离子和化合物,分子量通常低于900道尔顿。这类化合物可使用柱化学性质各异的硅胶颗粒型或整体型固定相,通过HPLC、UHPLC和LC-MS等方法有效分离和分析。

Small molecules are ions and compounds of molecular weight typically less than 900 daltons. These compounds can be effectively separated and analyzed by HPLC, UHPLC and LC-MS using mainly silica particles or monolithic stationary phases with a broad range of column chemistries (modifications).

Small molecules are ions and compounds of molecular weight typically less than 900 daltons. These compounds can be effectively separated and analyzed by HPLC, UHPLC and LC-MS using mainly silica particles or monolithic stationary phases with a broad range of column chemistries (modifications).

Small molecules are ions and compounds of molecular weight typically less than 900 daltons. These compounds can be effectively separated and analyzed by HPLC, UHPLC and LC-MS using mainly silica particles or monolithic stationary phases with a broad range of column chemistries (modifications).

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