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	Qx2™ Information Click here to visit Cogent TYPE-C™ HPLC Columns Home Page Hydrophobicity & Silanophobic Tests	Specifications - 4µm Silica Specifications: Cogent Qx2™ with TYPE-C™ Silica Based Bonded Phases Silica: Spherical Shaped, Thermally Treated Type C Silica™; washed with Acid for low metals content, < 10ppm. ADVANTAGES: Better Lot to Lot Consistency, More uniform bonding with Silicon-Carbon bonds, isocratic mobile phases more effective, less need for mobile phase additives. Highly stable in pH extremes, high temperature resistant and extremely low silanol activity. SPECIFICATIONS:   C18 Cholesterol Housing PEEK PEEK Frits Titanium Titanium Particle Size 4µm 4µm Pore Size 100A 100A Carbon Load 15% 11% Surface Area 350m2/gm 350m2/gm End-Capped No No Reverse Phase Yes Yes Normal Phase Yes Yes Aqueous Normal Phase (HILIC) Yes Yes Max Pressure 8,000 psi 8,000 psi Max Temp 125°C 125°C pH Range 2 - 10.1 2 - 8.0

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