Reference: COCBA3500-9345 / COCBA6500

Copure® CBA Weak Cation Exchange SPE Cartridges

Weak cation exchange SPE cartridges with a carboxylic acid (COOH) phase that selectively retain positively charged analytes with mild binding.

Key specifications

Functional group: Carboxylic acid (COOH), weak cation exchange
Surface area: 450-550 m²/g
Particle size: ≤40 µm
Pore size: ≤60 Å

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Copure® CBA Weak Cation Exchange SPE Cartridges

Overview

Product overview

Copure® CBA is a weak cation exchange cartridge built on a carboxylic acid (COOH) phase. It selectively retains positively charged analytes with mild binding.

The manufacturer cites high stability and recovery for applications such as metal ion analysis, pharmaceutical testing and environmental monitoring. It is supplied in 500 mg/3 mL and 500 mg/6 mL formats.

Specifications

Technical specifications

8 parameters

Sorbent

Functional group: Carboxylic acid (COOH), weak cation exchange
Surface area: 450-550 m²/g
Particle size: ≤40 µm
Pore size: ≤60 Å
Carbon content: 5.0-6.0 wt%
Endcapped: Yes

Ordering

Catalog numbers: COCBA3500-9345, COCBA6500
Cartridge formats: 500 mg/3 mL (50 pcs/box); 500 mg/6 mL (30 pcs/box)

Features

Key features

01
Weak cation exchange
Carboxylic acid phase selectively retains positively charged analytes.
02
Mild binding
Positively charged analytes are retained with mild binding.
03
Stability and recovery
High stability and recovery reported for metal ion, pharmaceutical and environmental applications.