National Chromatography Inco
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Typically replies instantly
Hi-Purit -Disposable Irregular NP silica,60A/ 40-63um flash cartrdiges.
Hi‑Purit™ Flash Cartridges” — single‑use/disposable flash columns.
Particle size (“Classic”) = 40‑63 µm; “Premium” = 40‑75 µm.
SiO₂ purity ~ 99.99 %
Mesh size 230‑400 mesh corresponds roughly to that particle size.
pH stable ~ 6‑8; other properties (surface area, pore volume etc) given for certain functionalised phases (Cyanopropyl, etc).
So “Hi‑Purit 40‑63 µm, irregular silica, normal phase” is a standard grade flash cartridge — good for general normal phase separation where very fine resolution is not needed (faster flows, lower pressure, coarser material).
