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HPLC columns, SeQuant® ZIC®-pHILIC

Supplier: Merck

Description: ZIC®-pHILIC has the same stationary phase as ZIC®-HILIC, but is instead based on a polymeric particle for enhanced pH stability. The lack of silica practically nullifies background in high sensitivity detectors such as charged aerosol used for determination of organic and inorganic ions.

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HPLC columns, SeQuant® ZIC®-cHILIC

Supplier: Merck

Description: ZIC®-cHILIC is based on the same technology platform as ZIC®-HILIC, but has a different functional group and an improved manufacturing procedure. The different charge orientation of the zwitterionic functional group leads to a different – and complementary – selectivity for polar hydrophilic compounds. This selectivity is especially beneficial for hydrophilic compounds that are negatively charged, positively charged, zwitterionic or neutral, for example, organic acids, amino acids, metabolites, aminoglycosides and nucleotides.

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HPLC columns, SeQuant® ZIC®-HILIC

Supplier: Merck

Description: The selectivity offered by ZIC®-HILIC is suitable for a wide variety of molecules containing hydrophilic or ionisable functional groups. This includes compounds such as carbohydrates, metabolites, acids and bases, organic and inorganic ions, metal complexes, amino acids, peptides, protein digests, plant and cell extracts, plus much more. Such compounds are normally characterised by a small or negative LogP value and have poor retention on reversed-phase columns.

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HPLC adapters for solvent supply and waste solvent

Supplier: Merck

Description: Specially developed screw caps for direct instrument connection of Merck S 40 threaded bottles ensure safe handling of solvents in the lab and protect human health, the environment, as well as solvent quality.

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