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Supplier: Merck
Description: Stainless steel LiChroCART® cartridges are available with various types of Purospher® sorbents.

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Supplier: Merck
Description: Purospher® STAR HPLC columns based on highest purity silica are also available for normal phase separations.

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Supplier: Merck
Description: Stainless steel LiChroCART® cartridges are available with various types of Purospher® sorbents.

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Supplier: Merck
Description: Available with optimised 2 μm particulate silica, these UHPLC columns, based on Purospher® STAR RP-18 endcapped, are ideal for ultra-fast applications, where resolution, sensitivity and sample throughput are crucial. They are the first choice for high throughput screening and QC analyses, process monitoring, method development and LC-MS applications. Due to its balanced selectivity, Purospher® STAR RP-18 endcapped UHPLC columns cover almost all demanding separations with tailing-free chromatograms. Purospher® STAR RP-18 endcapped 3 μm columns are recommended for difficult samples where clogging and back pressure present an issue.

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Supplier: Merck
Description: Stainless steel LiChroCART® cartridges are available with various types of Purospher® sorbents.

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Supplier: Merck
Description: Stainless steel Hibar® columns are complete with endfittings. These columns are available with various types of Purospher® sorbents.

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Supplier: Merck
Description: Purospher® STAR RP-8 endcapped, like Purospher® STAR RP-18 endcapped, is based on high purity silica and has an almost complete surface coverage. Thus, Purospher® STAR RP-8 provides excellent peak symmetry for acidic, basic and even chelating compounds, highest column efficiency in terms of the number of theoretical plates, and exceptional stability from pH 1,5 to 10,5. In addition, they are ideal for a wide range of applications. As the sorbent is less hydrophobic than Purospher® STAR RP-18 endcapped, analytes will typically elute faster on the C8 phase. Purospher® STAR RP-8 endcapped provides enhanced selectivity for positional isomers and symmetrical peak shapes for strongly basic and less hydrophobic compounds.

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Supplier: Merck
Description: Stainless steel LiChroCART® cartridges are available with various types of Purospher® sorbents.

SDS

Supplier: Merck
Description: Stainless steel LiChroCART® cartridges are available with various types of Purospher® sorbents.

SDS

Supplier: Merck
Description: Purospher® STAR Phenyl HPLC columns show an enhanced selectivity compared to standard alkyl phases. They are the first alternative to RP-8 or RP-18 selectivities for separation of aromatic compounds, fatty acids, purines and pyrimidines due to π-π interactions. The new Purospher® STAR Phenyl columns are based on high purity silica particles providing symmetrical peaks for basic compounds, high stability and excellent reproducibility.

Supplier: Merck
Description: Stainless steel LiChroCART® cartridges are available with various types of Purospher® sorbents.

SDS

Supplier: Merck
Description: Stainless steel LiChroCART® cartridges are available with various types of Purospher® sorbents.

SDS

Supplier: Merck
Description: Stainless steel LiChroCART® cartridges are available with various types of Purospher® sorbents.

SDS

Supplier: Merck
Description: Fast method development of complex samples across the pH range from 1,5 to 10,5 with different mobile phases and temperature conditions.
Purospher® STAR RP-18 endcapped HPLC columns are designed for universal use. Basic, neutral and metal-chelating compounds can easily be separated with simple mobile phases – naturally without peak tailing. Thanks to its outstanding performance and stability, Purospher® STAR RP-18 endcapped offers maximum flexibility in method development. Robust methods can be developed over the entire pH range from 1,5 to 10,5. High pH-stability allows the separation of strongly basic compounds with alkaline eluents. The combination of high purity silica, best all-round retention characteristics, outstanding pH stability up to pH 10,5, and suitability for up to 100% aqueous mobile phases, make Purospher® STAR RP-18 endcapped an all-round top performance column, almost universal in its range of applications.

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Supplier: Merck
Description: <B>Purospher® RP-18</B> is designed for the separation of problematic basic compounds with simple neutral eluents. In addition Purospher® RP-18 allows the separation of hydrophilic compounds with aqueous mobile phase. Purospher® RP-18 is based upon a high purity, metal-free silica. The multi-step chemical modification and deactivation of the surface, and the polar endcapping, enables a peak-tailing-free elution of basic and chelating compounds. Purospher® RP-18 is not suitable for the separation of acidic compounds. The good chemical stability of Purospher® RP-18 enables the use of mobile phase conditions at pH 8 for a long period of time.

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Supplier: Merck
Description: Ideal for preparing buffer solution according to WEISE for staining of blood smears.

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on 0800 22 33 44.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on 0800 22 33 44
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalogue Number listed above. If you need further assistance, please call VWR Customer Service on 0800 22 33 44.
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