材料
stainless steel column
品質等級
agency
suitable for USP L86
產品線
Ascentis®
特點
endcapped: no
製造商／商標名
Ascentis®
包裝
1 ea of
參數
60 °C temp. range
600 bar max. pressure (9000 psi)
技術
HPLC: suitable
LC/MS: suitable
長度 × 內徑
10 cm × 4.6 mm
表面積
90 m2/g
雜質
<5 ppm metals
基質
Fused-Core particle platform
superficially porous particle
基質活性組
hydroxy, penta- phase
粒徑
5 μm
孔徑
90 Å pore size
工作pH值範圍
2-9(lit.)
應用
food and beverages
分離技術
hydrophilic interaction (HILIC)
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一般說明
Ascentis Express 5 μm OH5 is a high-speed, high-performance liquid chromatography column based on a 5-micron Fused-Core® particle design. 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 shorter diffusion paths in the 0.6-micron thick porous shell and an overall particle size of ~5-microns. The Ascentis Express 5 μm OH5 stationary phase is a highly polar ligand that possesses 5 hydroxyl groups tethered to the silica via novel proprietary linkage chemistry. This high performance material provides a column that can be used for traditional normal phase separations using non-polar, totally organic mobile phases or for aqueous normal phase chromatography with the typical mobile phases for hydrophilic interactive liquid chromatography (HILIC) of basic, acidic, zwitterionic, or neutral compounds.
Column Characteristics
The Fused-Core particle has a surface area of ~ 100 m2/g and an average pore size of 90Å. The Fused-Core particles are 30% to 50% heavier than commercially available totally porous particles due to the density of the solid cores. Therefore, the effective surface area per column is similar to columns packed with totally porous particles having surface areas in the 160-200 m2/g range.
Column Characteristics
The Fused-Core particle has a surface area of ~ 100 m2/g and an average pore size of 90Å. The Fused-Core particles are 30% to 50% heavier than commercially available totally porous particles due to the density of the solid cores. Therefore, the effective surface area per column is similar to columns packed with totally porous particles having surface areas in the 160-200 m2/g range.
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.
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
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分析证书(COA)
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Paweł Kubica et al.
Analytical and bioanalytical chemistry, 406(13), 3013-3018 (2014-03-26)
The influence of sucrose combustion products on smoking and nicotine addiction is still controversial because the presence of the sucrose may be treated as a source of aldehydes and organic acids. In e-liquids used as refills for electronic cigarettes, which
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