推荐产品
product name
Ascentis® Express ES-Cyano, 2 μm UHPLC Column, 2 μm particle size, L × I.D. 10 cm × 2.1 mm
材料
stainless steel column
品質等級
agency
suitable for USP L10
產品線
Ascentis®
特點
endcapped
製造商／商標名
Ascentis®
包裝
1 ea of
參數
1000 bar max. pressure (14500 psi)
80 °C temp. range
技術
LC/MS: suitable
UHPLC-MS: suitable
UHPLC: suitable
長度 × 內徑
10 cm × 2.1 mm
表面積
120 m2/g
雜質
<5 ppm (metals)
基質
Fused-Core particle platform
superficially porous particle
基質活性組
phase, diisopropyl-cyanopropylsilane
粒徑
2 μm
孔徑
90 Å pore size
工作pH值
1-8
應用
food and beverages
分離技術
hydrophilic interaction (HILIC)
normal phase
reversed phase
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相关类别
一般說明
Ascentis® Express 2μm ES-Cyano UHPLC columns are based on a 90 Å Fused-Core® particles. The Fused-Core 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-micron thick porous shell and the small overall particle size of 2-microns. The sterically protected, extensively endcapped diisopropyl-cyanopropylsilane stationary phase of Ascentis Express 2μm ES-Cyano provides a stable, reversed-phase packing that can be used for basic, acidic, or neutral compounds.
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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分析证书(COA)
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Alex D Batista et al.
Talanta, 133, 142-149 (2014-12-02)
On-line sample pretreatment (clean-up and analyte preconcentration) is for the first time coupled to sequential injection chromatography. The approach combines anion-exchange solid-phase extraction and the highly effective pentafluorophenylpropyl (F5) fused-core particle column for separation of eight sulfonamide antibiotics with similar
Jan Soukup et al.
Journal of chromatography. A, 1374, 102-111 (2014-12-30)
Excess adsorption of water from aqueous acetonitrile mobile phases was investigated on 16 stationary phases using the frontal analysis method and coulometric Karl-Fischer titration. The stationary phases include silica gel and silica-bonded phases with different polarities, octadecyl and cholesterol, phenyl
Jakub Fibigr et al.
Journal of pharmaceutical and biomedical analysis, 120, 112-119 (2016-01-01)
A new high-performance liquid chromatography method using fused-core column for fast separation of resveratrol and polydatin has been developed and used for quality control of nutraceuticals with resveratrol and polydatin content. Retention characteristics (log k) were studied under different conditions
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