美国戴安 P/N: 037023Dionex AminoPac PA1 Amino Acid Column 生物色谱柱

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产品名称: 美国戴安 P/N: 037023Dionex AminoPac PA1 Amino Acid Column 生物色谱柱

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美国戴安 P/N: 037023Dionex AminoPac PA1 Amino Acid Column 生物色谱柱 的详细介绍

AminoPac PA1 Amino Acid Column

For Specialized Amino Acid Applications with Postcolumn Derivatization

The AminoPac^® PA1 column is a high-speed, pellicular, strong, anion-exchange column. The PA1 delivers high-efficiency separations as a result of its nonporous-core particle. Its strong anion-exchange characteristics are imparted by agglomerating surface MicroBead™ particles that are functionalized with the quaternary ammonium functional group, resulting in a higher capacity than typically offered by nonporous resins.

Resolves phosphorylated and other amino acids by anion-exchange chromatography
Separates acid-labile amino acids under basic pH conditions
Separates strongly acidic amino acids
Requires OPA or ninhydrin postcolumn derivatization

The anion-exchange selectivity of the AminoPac PA1 can be used to resolve peaks that cannot be resolved using a cation-exchange column. For example, O-phosphorylated amino acids are resolved and eluted near the end of a hydrolysate chromatogram. Arogenic acid, a precursor to tyrosine and phenylalanine, decomposes under the acidic conditions required for cation-exchange separation or PITC derivatization, but it is stable in alkaline eluents used with AminoPac PA1 column.

The PA1 is particularly well suited for acidic and acid-labile amino acids and for amino acid pairs not completely resolved by cation-exchange chromatography.

AminoPac PA1 Column for Specialized Amino Acid Applications with Postcolumn Derivatization Specifications
Dimensions	AminoPac PA1 Analytical Column: 4 × 250 mm AminoPac PA1 Guard Column: 4 × 50 mm
Maximum operating pressure	4000 psi (27.9 MPa)
Recommended operating temperature	Ambient
Typical operating conditions	1.0 mL/min gradient Recommended flow rate: 1.0 mL/min
Mobile phase compatibility	Compatible with up to 5% common organic solvents. Recommended eluents: hydroxide, borate, and acetate.
Resin composition	10-µm-diameter, pellicular substrate (2% cross-linked) agglomerated with a 180 nm MicroBead alkyl quaternary ammonium functionalized latex (20% cross-linked).
Anion-exchange capacity	N/A
Column construction	PEEK with 10-32 threaded ferrule-style end fittings. All components are nonmetallic.

Analytical Columns
AminoPac PA1 Analytical Column (4 x 250 mm)	037022

Guard Columns
AminoPac PA1 Guard Column (4 x 50 mm)	037023

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