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721629.4

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721629.4
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NUCLEOSIL C18

by MACHEREY-NAGEL

 

NUCLEOSIL® standard silica phases for HPLC

NUCLEOSIL® is a family of totally porous spherical silicas with a very pure and uniform SiO2 structure 

  • Wide acceptance as routine packings for very different fields of chromatography
  • One of the first spherical silicas used in HPLC
  • Developed in the early seventies, it became a world-renowned HPLC packing
  • Still found in many analytical and preparative applications
  • An absolutely reliable choice in HPLC
  • The largest variety of modified HPLC silicas available on the market

NUCLEOSIL® standard C18 phases - Octadecyl modified silica phases for HPLC

Features:

  • Nonpolar, endcapped phases for RP chromatography
  • Available pore sizes 50, 100, 120, 300, 500, 1000 and 4000 Å
  • Available particle sizes 3 µm, 5 µm, 7 µm and 10 µm
  • pH stability at 20 °C: 2–8, carbon content depending on pore size (see table below)
  • Separation mechanism based on hydrophobic (van der Waals) interactions, slight residual silanol interactions 
Application areas:
Acidic compounds Basic compounds Neutral compounds
Specification
Vendor MACHEREY-NAGEL Max Pressure 5800
Brand NUCLEOSIL C18 Surface Area 200
Modifification Silica/C18 Carbon Load, % 11.0
Mode Reversed-Phase Endcapped Yes
Particle Size Operating Temperature 60
Length pH stability from 2.0
Internal Diameter pH stability to 8.0
Pore size 120
Similar columns Columns with same mode & modification — across all brands
VendorBrandModeModification Int. diam.LengthParticlesPoresPrice
Imtakt Unison UK-C18 Reversed-Phase Silica/C18 0.2 mm 100 mm 3.0 μm 130 Å On request
Bonna-Agela Technologies Durashell C18 (L) Reversed-Phase Silica/C18 2.1 mm 50 mm 5.0 μm 150 Å On request
Vertical Chromatography VertiSep HCS C18 Reversed-Phase Silica/C18 10.0 mm 250 mm 5.0 μm 120 Å On request
GRACE Prevail C18 Select Reversed-Phase Silica/C18 2.1 mm 100 mm 3.0 μm 110 Å On request
LabHut Cronusil-S ODS-2 Reversed-Phase Silica/C18 3.0 mm 100 mm 5.0 μm 80 Å 180.04
Merck LiChrospher® Reversed-Phase Silica/C18 4.6 mm 250 mm 5.0 μm 100 Å On request
GL Sciences Inertsil ODS-3 Reversed-Phase Silica/C18 3.0 mm 100 mm 2.0 μm 100 Å On request
Princeton Chromatography Inc. PrincetonSPHER C18-300 Reversed-Phase Silica/C18 4.0 mm 100 mm 5.0 μm 300 Å On request
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