Product Features:
- Integrated guard column + analytical column design effectively extends column life.
- Simultaneously detects five common preservatives (such as benzoic acid, sorbic acid, and parabens) with a single method.
- High stability, proven through 1,000 injections, ensuring reliable results.
- Low dead volume and easy cartridge replacement make it suitable for routine high-frequency analysis.
Product Parameters：
Parameter | Specifications |
Product Name | PSV C18 Plus preservative detection column |
stationary phase | Highly capped C18 bonded phase (optimized for polar organic acids) |
matrix | High purity spherical silica gel (hybrid silica gel, resistant to pH 1-12) |
particle size | 5 μm |
aperture | 100 Å |
Column length x inner diameter | 250 mm × 4.6 mm (standard specification) |
Carbon load | ~14% |
End sealing processing | Highly capped to reduce tailing of acidic compounds |
Column tube design | Integrated Guard Design |
protection unit | Removable column core type, easy to maintain, small dead volume |
Maximum withstand voltage | ≤ 40 MPa（6000 psi） |
Operating temperature | 0 – 60°C |
PH range | 2.0-8.0 (Recommended to use buffer salt to control pH) |
Applications:
- Cosmetic preservative analysis (parabens, etc.)
- Food preservative testing (methylparaben, propylparaben, etc.)
- Pharmaceutical preservative QC
- Routine laboratory preservative monitoring
Compatible with international brands:
- Waters Symmetry C18
- Agilent ZORBAX Eclipse Plus C18
- Thermo Scientific Hypersil GOLD C18
- Phenomenex Kinetex C18
