The All-Around Solution for HPLC Separations

Request Information

Merck:/Freestyle/LE-Lab-Essentials/Chromatography/LE-Purospher-150x149-09262013.jpgPurospher® HPLC columns are based on high purity, metal-free silica for outstanding separations with excellent peak symmetry. This makes them the ideal choice for modern Reverse Phase HPLC.

The base silica for Purospher® high purity HPLC columns is made from tetraalkoxysilane in a sol-gel process. Thanks to the absence of metals in the silica matrix, and an optimized surface coating and shielding process, Purospher® columns provide tailing-free separations of acidic, basic, and chelating compounds. This is of particular advantage for any kind of method development in Research and Development (R&D) and Quality Control (QC) laboratories.

Features and Benefits

    • Enhanced performance and excellent peak symmetry due to high
      purity silica gel 
    • Outstanding batch-to-batch reproducibility for reliable analyses
    • Balanced chromatographic properties (Tanaka Hexagon)
    • Excellent separation efficiency for reliable results
    • Extended column lifetime for higher laboratory efficiency

Specifications

Specification of Purospher®

Purospher® Product Family

A complete range of Purospher® columns is available to suit a variety of separation requirements.

Purospher® RP-18 is polar endcapped and suitable for separations of strong basic or chelating compounds (not acidic compounds) and separations of hydrophilic compounds with a high percentage of water in the mobile phase.

Purospher® RP-18 endcapped is suitable for separations of complex samples with simple eluents.

Purospher® RP-18 HC is not endcapped with very good suitability for separation of polar, not basic compounds e.g. explosives.

Purospher® STAR RP-18 endcapped allows the tailing-free separation of neutral, acidic, basic or chelating compounds. The excellent stability up to pH 10.5 enables the separation of strong basic compounds with alkaline eluents. Purospher® STAR RP-18 endcapped is available in different particle sizes of 2µm, 3µm and 5µm and as special UHPLC columns.

Purospher® STAR RP-18 Endcapped UHPLC for tailing-free separations of neutral, acidic, basic or chelating compounds. Excellent stability up to pH 10.5 enables the separation of strong basic compounds with alkaline eluents.

Purospher® STAR RP-8 endcapped for separation of polar compounds or separation of position isomeric compounds.

Purospher® STAR NH2 and Si for Normal phase Chromatography (Si) and separation of carbohydrates (NH2).

 
 
 
Cromatografia
Strumento per la ricerca di bollettini applicativi
Cerchi applicazioni cromatografiche per analita, tipo di colonna, metodo di rivelazione, tipo di fase stazionaria o qualunque altro termine:
 
Il mondo delle applicazioni cromatografiche

Cromatografia
Il mondo delle applicazioni cromatografiche

La massima fonte per le ultime notizie del Suo settore

Per saperne
di più
Soluzioni per le procedure di HPLC - Fase stazionaria

Soluzioni per le procedure di HPLC

Fase stazionaria

Per saperne di più