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product name
Ascentis® Express RP-Amide, 2 μm UHPLC Column, 2 μm particle size, L × I.D. 7.5 cm × 2.1 mm
物質
stainless steel column
品質水準
認証
suitable for USP L60
製品種目
Ascentis®
特徴
endcapped
メーカー／製品名
Ascentis®
包装
1 ea of
パラメーター
1000 bar max. pressure (14500 psi)
60 °C temp. range
テクニック
LC/MS: suitable
UHPLC-MS: suitable
UHPLC: suitable
L × 内径
7.5 cm × 2.1 mm
表面積
120 m2/g
不純物
<5 ppm (metals)
マトリックス
Fused-Core particle platform
superficially porous particle
マトリックス活性基
amide, alkyl phase
粒径
2 μm
ポアサイズ
90 Å pore size
pH
2-9
アプリケーション
food and beverages
分離法
reversed phase
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詳細
Ascentis® Express 2 μm RP-Amide is a high-speed, high-performance liquid chromatography column based on a new Fused-Core® particle design. The fused core partical 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 one-step bonded, end-capped, amide-based polar-embedded stationary phase of Ascentis Express 2 μm RP-Amide provides, a stable, reversed phase packing with decreased hydrophobic character. Ascentis Express 2 μm RP-Amide can be used for basic, acidic, or neutral compounds with orthogonal selectivity from C18 or C8.
法的情報
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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Lot/Batch Number
S Fan et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 30(12), 2093-2101 (2013-10-22)
A liquid chromatography-linear ion-trap spectrometry (LC-MS³) method using β-receptor molecular-imprinted polymer (MIP) solid-phase extraction (SPE) as clean-up was developed to determine simultaneously and confirmatively residues of 25 β₂-agonists and 21 β-blockers in urine samples. Urine samples were subjected to enzymatic
Michael T Furlong et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 926, 36-41 (2013-04-02)
Clopidogrel is prescribed for the treatment of Acute Coronary Syndrome and recent myocardial infarction, recent stroke, or established peripheral arterial disease. A sensitive and reliable high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) assay was developed and validated to enable reliable
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Biomedical chromatography : BMC, 27(12), 1647-1656 (2013-07-03)
Uncaria Hook (UH) alkaloids are involved in the beneficial effects of Yokukansan. However, the pharmacokinetics of UH alkaloids after oral administration of Yokukansan has not yet been sufficiently investigated. Therefore, we developed and validated a sensitive and specific high-performance liquid
Fan Sai et al.
Journal of agricultural and food chemistry, 60(8), 1898-1905 (2012-02-15)
A sensitive method has been developed for the simultaneous determination of residues of 25 β₂-agonists and 23 β-blockers in animal foods by high-performance liquid chromatography coupled with linear ion trap mass spectrometry (HPLC-LIT-MS). This method is based on a new
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Journal of chromatography. A, 1217(23), 3642-3653 (2010-04-23)
Today sub-2 microm packed columns are very popular to conduct fast chromatographic separations. The mass-transfer resistance depends on the particle size but some practical limits exist not to reach the theoretically expected plate height and mass-transfer resistance. Another approach applies
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