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OnGuard II P Cartridge
OnGuard II P Cartridge
The OnGuard II P is recommended for removing the phenolic fraction of humic acids, tannic acids, lignins, anthocyanins, and azodyes from samples prior to analysis by ion exchange.
These cartridges contain polyvinylpyrrolidone (PVP) polymer with very high selectivity for phenolics, azo-containing compounds, aromatic carboxylic acids, aromatic aldehydes, and iodine as the triiodide complex.
| OnGuard II P Sample Pretreatment Cartridge Specifications |
|---|
| Functionality | Polyvinylpyrrolidone |
| Capacity (meq/cartridge): | 6.0 (1 cc); 2.5 cc format not available |
| Solvents | 0–100% HPLC |
| pH | 1–10 |
| Mode: | Removal of phenols, azo dyes, humic acids by complexation |
| OnGuard II P |
| OnGuard II P Cartridges, 1 cc, Pkg of 48 |
057087 |