Beschreibung
UHPLC-beschermkolommen NUCLEODUR® Phenyl-Hexyl bieden front-end bescherming voor ultra-high-performance vloeistofchromatografiesystemen. Deze configuratie maakt gebruik van een fenyl-hexyl gebonden fase op 1,8 µm deeltjes binnen een behuizing van 4 x 2 mm en wordt geleverd in verpakkingen van 3 stuks. De fijne deeltjesdiameter is afgestemd op UHPLC-werkdrukken en -stroomregimes, wat helpt bij het behouden van de efficiëntie van de stroomafwaartse analytische kolom terwijl vuil en sterk geadsorbeerde monsterbestanddelen worden opgevangen. Fenyl-hexyl-selectiviteit ondersteunt π–π en hydrofobe interacties die vaak worden benut voor aromatische en matig polaire verbindingen. Dankzij de compacte afmetingen kan de beschermpatroon in compatibele houders worden gemonteerd zonder overmatig extra kolomvolume. Deze NUCLEODUR®-eenheden van fabrikant MACHEREY-NAGEL zijn bedoeld voor laboratoria die al werken met fenyl-hexyl UHPLC-methoden en de levensduur van de analytische kolom willen verlengen door routinematige vervanging van de beschermkolom. De verpakking van drie stuks ondersteunt continu gebruik en gepland onderhoud in chromatografische omgevingen met een hoge doorvoer.
Dit artikel hoort thuis bij HPLC-beschermkolommen, in HPLC-kolommen & accessoires.
Belangrijkste kenmerken
- Verpakkingsgrootte: 3 stuks
- Type: UHPLC-beschermkolom
- Merk: NUCLEODUR®
- Stationaire fase: Phenyl-Hexyl
- Deeltjesgrootte: 1,8 µm
- Afmetingen: 4 x 2 mm
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Questions about UHPLC-bewakingskolommen NUCLEODUR®
What is this article?
UHPLC-bewakingskolommen NUCLEODUR® is the article on this page. Luminix Health distributes Macherey-Nagel for laboratory use. It sits in HPLC guard columns, inside HPLC columns & accessories, in Chromatographie.
A guard column is a short column of the same phase as the analytical column, placed in front of it to catch particles and compounds that would stick forever. It is meant to be replaced. A guard of a different phase changes the separation. The holder and the cartridge are often separate parts.
An HPLC column is a tube packed, or coated, with a stationary phase. The sample is carried through it by a liquid, and the compounds leave at different times. The phase, the particle size, the length and the internal diameter decide the separation. A guard column is a short sacrificial piece in front of the analytical column. Fittings and tubing have a bore that either preserves the peak or smears it. Compound names follow IUPAC. Data are on PubChem. Method grades often cite the European Pharmacopoeia or USP.
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