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Nacalai Tesque COSMOSIL 15SL-II Packed Column, 15 µm, 50.0 mm I.D. x 250 mm - 05895-21

Price: £3,158.11


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COSMOSIL SL-II

Ultra-pure silica gel of more than 99.99% purity is used for the COSMOSIL SL-II packed column series. This column provides improved separation and reproducibility for compounds with carbonyl or phenol hydroxyl groups, which are often problematic to separate using conventional silica gel columns.

Specifications

Packing MaterialSL-II
Silica GelHigh Purity Porous Spherical Silica
Average Particle Size3, 5, 15 µm
Average Pore Sizeapprox. 120 Å
Specific Surface Areaapprox. 300 m2/g
Stationary Phase
  • High purity Silica Gel (>99.99%) with specially treatment
  • Suitable for preparative separation

Analysis of Acids and Amide without Ionic Additives

Analysis of acids and amide without ionic additives

Condition
Column Size4.6 mm I.D. × 250 mmDetectionUV 254 nm, 0.5AUFS
Mobile PhaseMethanol : Hexane = 10 : 90Sample
  1. Benzoic Acid  4.0 µg
  2. Salicylic Acid  6.0 µg
  3. Salicylamide  4.0 µg
Flow Rate1 ml/min
Temperature30°C

  • Model: 05895-21
  • Manufactured by: Nacalai Tesque

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