CarboPac MA1 糖类分析柱
CarboPac MA1 糖类分析柱用途和特点:CarboPac MA1柱适用于食品和体液中还原性单糖和二糖的分析。无需衍生,室温进行,灵敏度远高于示差折光检测。CarboPac MA1 糖类分析柱订货信息:分析柱CarboPac MA1 Analytical Column (4 x 250 mm)044066保护柱CarboPac MA1 Guard Column (4 x 50 mm)044067CarboPac MA1 Column for Carbohydrate, Alditol, and Aldose AnalysisThe CarboPac? MA1 column is a high-capacity, strong anion-exchange column that delivers sensitive, rugged, and reliable separations of reduced sugars without the need for derivatization. The MA1 consists of a macroporous resin fully functionalized with a tertiary amine.Recommended for the separation of reduced mono- and disaccharidesNo derivatization neededSeparations using a simple hydroxide eluentAlditols and aldoses separated from one another in a single runDesigned for reduced mono- and disaccharide alditol analyses, the CarboPac MA1 is also well suited for analysis of exoglycosidase-released neutral monosaccharides. Monosaccharides are moved away from the column void, enabling immediate evaluation of contaminating exoglycosidase activities. The MA1 can provide baseline resolution of fucose, N-acetyl-(D)-glucosamine, N-acetyl-galactosamine, mannose, glucose, and galactose, as well as neutral oligosaccharides in the same separation. CarboPac MA1 Column for Carbohydrate Alditol and Aldose Analysis SpecificationsDimensionsCarboPac MA1 Analytical Column:4 × 250 mmCarboPac MA1 Guard Column:4 × 50 mmMaximum operating pressure2000 psi (14 MPa)Temperature range4–50 °CRecommended operating temperature: ambientTypical operating conditionsRecommended flow rate: 0.2–0.5 mL/minMobile phase compatibilitypH 0–14 incompatible with solvents and anionic detergents.Hydroxide eluents only.Resin composition7.5-μm-diameter vinylbenzyl chloride/divinylbenzene macroporous substrate fully functionalized with an alkylquaternary ammonium group (15% cross-linked).Anion-exchange capacityApproximately 1450 μeq/column (4 × 250 mm analytical column)Column constructionPEEK with 10-32 threaded ferrule-style end fittings. All components are nonmetallic.Gradient separation of alditols and aldoses potentially released by hydrolysis of beta eliminated oligosaccharides. Arabitol serves as an internal standard. HPAE separation of sugars and sugar alcohols without the need for derivatization. Isocratic separation of a representative set of alditols and aldoses ensures lot-to-lot reproducibility in the manufacturing of the CarboPac MA1 column.ManualsDionex CarboPac MA1 Column Product ManaulProduct Data SheetsCarboPac MA1 Column for Carbohydrate Alditol and Aldose Analysis Data SheetApplication NotesAN: 267 Analysis of the Aminoglycoside Antibiotics Kanamycin and Amikacin Matches USP RequirementsAN 246: Determination of Ethylene Glycol and Diethylene Glycol in a Sorbitol SolutionAN 117: Quantification of Carbohydrates and Glycols in PharmaceuticalsAN 122: The Determination of Carbohydrates, Alcohols, and Glycols in Fermentation BrothsAN 87: Determination of Sugar Alcohols in Confections and Fruit Juices by HPAE-PAD Technical NotesTN 21: Optimal Settings for Pulsed Amperometric Detection of Carbohydrates Using the Dionex ED40 Electrochemical DetectorTN 20: Analysis of Carbohydrates by High Performance Anion Exchange Chromatography with Pulsed Amperometric Detection (HPAE-PAD)