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Crown ether columns, CROWNPAK®

Fornitore: CHIRAL TECHNOLOGIES
27711 27714 28714 54784 53784
554-3769EA 386 EUR
554-3769 554-3770 554-3771 554-4598 554-4597
Crown ether columns, CROWNPAK®
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CROWNPAK® CR(+) and CR(-) contain a chiral crown ether as a chiral selector, which is coated onto a 5 µm silica support. CROWNPAK® selectors are mainly used to separate chiral amino acids and other small molecules with primary amine groups. The elution order of the enantiomers can be reversed when necessary.

Acidic mobile phases such as perchloric acid (pH 1 to 2), are used to operate these columns under standard conditions. To shorten the retention time of hydrophobic samples, the addition of methanol (15% maximum v/v) has been shown to be effective for CROWNPAK® CR(+) and CR(-).
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