Waters WAT023555 Sep-Pak Alumina B Plus Light Cartridge, 280

货号

描述

价格

WAT023555Sep-Pak Alumina B Plus Light Cartridge, 280 mg Sorbent per Cartridge, 50 - 300 µm, 50/pk1875.8

Sep-Pak Alumina B Plus Light cartridges contain a highly active grade of alumina with a basic surface chemistry. The aluminum oxide surface provides an extremely polar surface for analyte retention and has properties of a Lewis acid. This normal phase sorbent is similar in use to silica; however, it is slightly more stable than unfunctionalized silica under high pH conditions. This basic alumina is also low-capacity ion exchanger in aqueous media. Sep-Pak Alumina B Vac cartridges can be used to extract phospholipids, steroids, and catecholamines. Since Sep-Pak Alumina B is unaffected by high-energy radioactivity, these cartridges can be used for radioactive compound isolation. These cartridges have a distinctive finned outer body and a reduced internal diameter, which results in an interstitial volume about one-third that of the corresponding Plus-style cartridge. This design allows you to elute fractions in a minimal volume to improve recoveries and reduce solvent consumption, a benefit especially for applications where samples are limited or where excessive dilution is a concern.

Brand

Sep-Pak

Product Type

Solid Phase Extraction

Units per Package

50 pk

Chemistry

Alumina B

Format

Plus Light Cartridge

Mass Spec Compatibility

Yes

Mode

Normal-phase

Particle Size

50-300 µm

Pore Size

120 Å

Sorbent Substrate

Alumina

Sorbent Weight

280 mg

Water Wettable

Yes

pH Range Min

0 pH

pH Range Max

10 pH

Hold up volume

0.35 mL


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