DragonMaster

Challenges of Membrane Desolvation Technology in High-Precision Analysis

In inductively coupled plasma mass spectrometry (ICP-MS) analysis, solvents in the sample (especially water) tend to form polyatomic ion interferences and cause plasma instability after entering the plasma, thereby limiting the detection limit and data accuracy.Membrane desolvation technology efficiently separates solvents from analytes through the dual mechanisms of condensation and selective nanomembrane permeation, allowing nearly complete introduction of analytes into the plasma, thus greatly improving signal intensity and signal-to-noise ratio.However, achieving a highly efficient, stable, and easy-to-maintain membrane desolvation system still requires overcoming multiple challenges, including aerosol transport stability, long-term corrosion resistance of the system, and convenient maintenance of modular components.

1. Removable membrane desolvation module

Maintenance of conventional membrane desolvation systems often requires opening the main unit and disassembling multiple sets of tubing, which is time‑consuming and prone to incorrect operation.Featuring a patented removable membrane desolvation module, the DragonMaster can be easily removed directly from the rear panel of the chassis. Nanomembrane replacement can be completed without opening the main cover.

2. Electrostatic shielding technology ensures stable aerosol transport

During the transport of dry aerosols, static accumulation may lead to signal fluctuations and reduced reproducibility.DragonMaster incorporates a metal shielding mesh in the critical transport section, effectively isolating interference from external electrostatic fields and ensuring stable aerosol transport.

8-hour continuous sample introduction, stability with RSD = 1.4%

3. Ultra-low concentration sample quantification

When coupled with Agilent ICP-MS, it achieves excellent linear response for the calibration of Al, Mg, Cu, Fe and other elements at ultra-low concentrations ranging from 0 to 1.25 ppt, meeting the trace analysis requirements of environmental water samples, high-purity reagents and similar applications.

4. Intelligent cleaning procedure extends the service life of core components

The system features two built-in modes: rapid cleaning and full-system cleaning. Users can flexibly select according to usage frequency and sample matrix differences.This not only improves maintenance efficiency but also avoids cross-contamination and membrane clogging caused by residues, significantly extending the service life of the nanomembrane and nebulization system.