50759-U
Ascentis® Express RP-Amide, 5 μm HPLC Column
5 μm particle size, L × I.D. 25 cm × 3 mm
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About This Item
UNSPSC-Code:
41115700
NACRES:
SB.52
Empfohlene Produkte
Materialien
stainless steel column
Qualitätsniveau
Agentur
suitable for USP L60
Produktlinie
Ascentis®
Leistungsmerkmale
endcapped
Hersteller/Markenname
Ascentis®
Verpackung
1 ea of
Parameter
60 °C temp. range
600 bar max. pressure (9000 psi)
Methode(n)
HPLC: suitable
LC/MS: suitable
L × ID
25 cm × 3 mm
Oberflächenbereich
90 m2/g
Verunreinigungen
<5 ppm metals
Matrix
Fused-Core® particle platform
superficially porous particle
Aktive Matrixgruppe
amide, alkyl phase
Partikelgröße
5 μm
Porengröße
90 Å pore size
pH-Bereich
2-9
Anwendung(en)
food and beverages
Trenntechnik
reversed phase
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Allgemeine Beschreibung
Ascentis Express 5 μm RP-Amide is a high-speed, high-performance liquid chromatography column based on the highly efficient 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 shallow diffusion paths in the 0.6 μm thick porous shell and the highly uniform overall particle size of 5 μm. The one-step bonded, endcapped, amide-based, polar-embedded stationary phase of Ascentis Express 5 μm RP-Amide provides a stable, reversed-phase packing with decreased hydrophobic character. Ascentis Express RP-Amide can be used for basic, acidic, or neutral compounds with orthogonal selectivity from C18 or C8. The polar-embedded Ascentis Express 5 μm RP-Amide columns are compatible with 100% aqueous mobile phases without suffering from “phase collapse”.
Rechtliche Hinweise
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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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
Erzsébet Oláh et al.
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
Unser Team von Wissenschaftlern verfügt über Erfahrung in allen Forschungsbereichen einschließlich Life Science, Materialwissenschaften, chemischer Synthese, Chromatographie, Analytik und vielen mehr..
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