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Rezex (Phenomenex)

Rezex (Phenomenex)

Rezex

HPLC Rezex REZEX Carbohydrate and Organic Acid Analysis • Excellent resolution • Wide range of selectivities • Excellent column-to-column reproducibility • Recommended alternative to Bio-Rad Aminex ® , Supelco Supelcogel and Waters Sugar-Pak at Cost-Effective Prices (see page 215) Rezex columns contain sulfonated styrene-divinylbenzene spheres in 4 and 8 % cross-link forms as well as various ionic forms, including calcium, sodium, hydrogen, potassium, lead, and silver. So all you have to do is select the column with the appropriate selectivity. Find the Column For Your Application Phases Available Description Applications Additional Notes RCM-Monosaccharide (L19 packing)* RHM-Monosaccharide (L17 packing)* 8 % cross-linked resin CALCIUM ionic form 8 % cross-linked resin HYDROGEN ionic form RAM-Carbohydrate 8 % cross-linked resin SILVER ionic form RSO-Oligosaccharide 4 % cross-linked resin SILVER ionic form RNO-Oligosaccharide 4 % cross-linked resin SODIUM ionic form RPM-Monosaccharide (L34 packing)* RNM-Carbohydrate (L54 packing)* ROA-Organic Acid (L22 packing)* 8 % cross-linked resin LEAD ionic form 8 % cross-linked resin SODIUM ionic form 8 % cross-linked resin HYDROGEN ionic form RFQ-Fast Acid 8 % cross-linked resin HYDROGEN ionic form RKP-Potassium 8 % cross-linked resin POTASSIUM ionic form RCU-USP Sugar Alcohols (L19 packing)* 8 % cross-linked resin CALCIUM ionic form * United States Pharmacopeia (USP) Monosaccharides and sugar alcohols from sweeteners and corn and cane sugars Di, tri, and tetra saccharides Monosaccharides in combination with organic acids, fatty acids, alcohols, ketones, neutral compounds, or inorganic salts Selectivity complimentary to other Rezex column types High resolution of oligosaccharides up to 18 degrees of polymerization (Dp) High resolution of oligosaccharides Monosaccharides and sugar alcohol analysis. Cellobiose, glucose, xylose, arabinose, and mannose & other cellulose products For matrices which contain high concentration of inorganic sodium, Example-molasses Organic acids alone or in combination with carbohydrates, alcohols, fatty acids, or neutral compounds; Amino sugars Rapid screening of fruit quality; ethanol, acetic acid, glycerol, & standard alcohol mixtures Analysis of glyphosate – Our most commonly used column type – Easy regeneration with calcium nitrate solutions – Versatile column, generally run with a mobile phase of deionized water – Guard column is recommended to protect the ionic integrity of the matrix – Easily regenerated to the original ionic strength – Selectivity can be altered by changing the pH as well as the type of dilute mineral acid used as the mobile phase – Analytes are routinely chromatographed under 5 minutes For sugar analysis according to the USP procedures – Sorbitol and mannitol can be resolved using simple isocratic conditions If you are not completely satisfied with the performance of any Rezex column, as compared to a competing product of the same size and phase, simply return the Rezex column with your comparative data within 45 days for a FULL REFUND. 210 Phenomenex

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