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Che significa HPLC?

Posted on Novembre 6, 2022 By Author

Sommario

  • 1 Che significa HPLC?
  • 2 Quando si usa la HPLC?
  • 3 Come si effettua la cromatografia?
  • 4 What is RP HPLC used for?
  • 5 What is rprp-HPLC?
  • 6 What does UPLC stand for?

Che significa HPLC?

ovvero la CROMATOGRAFIA ed in particolare uno strumento cromatografico, l’HPLC. Innanzitutto HPLC è un acronimo che sta per High Performance Liquid Chromatography.

Quando si usa la HPLC?

Il HPLC può essere usato per separare gli enanziomeri, le molecole che sono immagini di specchio di a vicenda, facendo uso delle fasi stazionarie chirali (CSPs). La capacità di provare la purezza delle molecole enantiomeriche è uno standard nelle analisi farmaceutiche, a cui il HPLC è adatto.

Come sono le colonne HPLC?

Le colonne per HPLC sono di solito costruite in acciaio, ma esistono anche in vetro ricoperto di metallo impiegate soprattutto quando si lavora a pressioni inferiori a 600 psi. La lunghezza delle colonne varia da 10 a 30 cm e il diametro interno da 4 a 10 mm.

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Come si effettua la cromatografia?

La cromatografia è una tecnica di separazione basata sulla diversa velocità di migrazione con cui più sostanze depositate su un supporto adatto (carta da filtro, gel di silice o di alluminio, ecc.), vengono trasportate da un fluido detto eluente e si stratificano in posizioni differenti sul supporto.

What is RP HPLC used for?

RP-HPLC is a commonly used method for the analysis and purification of peptides, proteins, and glycoproteins. Monosaccharide composition and content can be determined by using the RP-HPLC separation of p -aminobenzoic ethyl ester derivatives of neutral and amino sugars released from glycoproteins.

What is reverserp-HPLC?

RP-HPLC, or Reverse-Phase High-Performance Liquid Chromatography is a type of chro- matography the features a liquid mobile phase, higher resolving power than traditional liquid chromatography, and a speci\\fc combination of stationary- and mobile-phases that results in separations that are the opposite of a raditional” HPLC.

What is rprp-HPLC?

RP-HPLC has a non-polar stationary phase and an aqueous, moderately polar mobile phase. This method is very efficient to separate the polar compounds due to the interaction between polar compounds with polar mobile phase. RP-HPLC experimental system is usually composed of an n -alkylsilica-based sorbent.

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What does UPLC stand for?

Further, ultra-high-performance chromatography (UPLC) instruments with UV detection are available, offering reduced analysis times, requiring lower sample and mobile phase volumes and delivering better resolution. We are experienced in performing reversed-phase chromatography on a large selection of columns from various vendors.

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