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Description: Chromolith® Phenyl HPLC columns offer greater selectivity towards aromatic ring-containing compounds than standard alkyl phases. These columns are ideal for the separation of aromatic compounds, flavonoids, fatty acids, PAH, preservatives, purines and pyrimidines.

Catalog Number: 1.52059.0001

UOM: 1 * 3 items

Supplier: Merck

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Description: Chromolith®, Chromolith® guard cartridge holder, bioinert, 5 mm, for 2 mm int.Ø columns

Catalog Number: 1.52255.0001

UOM: 1 * 1 items

Supplier: Merck

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Description: Chromolith®, Chromolith® column coupler

Catalog Number: 1.52032.0001

UOM: 1 * 1 items

Supplier: Merck

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Description: Made of highly porous monolithic rods of silica with a revolutionary bimodal pore structure, therefore, high separation efficiencies are reached under low back pressures. These columns have long lifetimes within pH range of 2,5 to 7,5, high matrix tolerance and speed of analysis. Technical information.

Catalog Number: 1.52028.0001

UOM: 1 * 1 items

Supplier: Merck

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Description: Cyano columns are generally more polar than traditional alkyl silica columns. The functional groups are highly ordered, reducing steric hindrance for the solute. The modification also allows cation exchange activity, which is higher at neutral pH than in acidic conditions. Chromolith® CN columns are suitable for the separation of alkaloids, oils, flavonoids, glycols, phenols, phthalates, steroids and sulfonamides.

Catalog Number: 1.52046.0001

UOM: 1 * 1 items

Supplier: Merck

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Description: Pore volume: 2,9 ml/g.

Catalog Number: 1.52321.0001

UOM: 1 * 1 items

Supplier: Merck

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Description: Monolithic silica technology: A new age in chromatography. Chromolith® columns are based on silica so existing methods can be easily transferred with only minimal investment in new method development work. 'Sol-Gel' technology allows highly porous monolithic rods of silica to be formed. These feature a bimodal pore structure provides a unique combination of macropores and mesopores.

Catalog Number: 1.52035.0001

UOM: 1 * 1 items

Supplier: Merck

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Description: Chromolith® DIOL columns are useful as an intermediate polarity media between C18 and silica. Diol functionalised media is less polar and can have different selectivity. Chromolith® DIOL can be used with a wide range of solvents in both normal and reverse phases. In normal phase mode, the diol phase provides an alternative selectivity compared to silica whilst additionally demonstrating longer retention times that help to obtain separation. In reverse phase mode, compounds such as water-soluble vitamins, sugars or amino acids are easily baseline separated using simple mobile phases. Chromolith® DIOL columns have long lifetimes within pH range of 2,5 to 7,5, high matrix tolerance and speed of analysis.

Catalog Number: 1.53170.0001

UOM: 1 * 1 items

Supplier: Merck

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Description: These columns have been designed following the high demand for suitable analytical methods for process monitoring and quality control of wide pore biomolecules. Accurate analysis of proteins, antibodies and large peptides requires columns with good permeability, along with better mass transfer and selectivity. In order for size exclusion not to influence the separation, the pore size should be approximately ten times larger than the molecule being analysed.

Catalog Number: 1.52350.0001

UOM: 1 * 1 items

Supplier: Merck

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Description: Fast nano-LC for proteins and peptides. Chromolith® CapRod® capillaries combine the speed of monolithic silica technology with the sensitivity of nano-LC, thus enabling high speed high sensitivity LC-MS analytics.

Catalog Number: 1.50402.0001

UOM: 1 * 1 items

Supplier: Merck

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Description: Chromolith® Prep monolithic stationary phases are new ultrapure silica phases which gain their special properties from a bimodal pore structure. This structure is a property of the new 'Sol-Gel' technology and consists of macropores and mesopores. The mesopores with an average diameter of 12 nm, form the fine porous structure of the column interior and create a very large surface area on which adsorption of the target compounds occurs.

Catalog Number: 1.52036.0001

UOM: 1 * 1 items

Supplier: Merck

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Description: Merck columns come in three formats.

Catalog Number: 1.51496.0001

UOM: 1 * 10 items

Supplier: Merck

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

Catalog Number: 1.09468.0100

UOM: 1 * 100 Tablet

Supplier: Merck

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Description: Dehydrated media are used for a wide variety of applications. To minimise the risks associated with powdered culture media, the majority of Merck's dehydrated culture media is produced in granular form. Merck uses ingredients of non animal origin to minimise the potential risk of transmissible spongiform encephalitis (TSE). When there is no alternative, only ingredients which are recommended by EDQM, and belonging to TSE category B or C are used. This ensures that the product is of the highest quality and in compliance with the standards for food control, microbiological testing on finished products and starting materials, and quality control in the pharmaceuticals and cosmetics industries. Custom-made media can be prepared to meet individual customer specifications. The formulation is kept confidential via a Non Disclosure Agreement. Please enquire for further details. Advantages of granulated Merck media.

Catalog Number: 1.12535.0500

UOM: 1 * 500 g

Supplier: Merck

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Description: Merck products offer high quality for applications in the microbiology field.

Catalog Number: 1.04070.0500

UOM: 1 * 500 g

Supplier: Merck

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Description: Sodium fluoride solution, 0.1 M, Supelco®, Application: ISE Calibration

Catalog Number: 47072-100ML

UOM: 1 * 100 mL

Supplier: Merck

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