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NUCLEOSIL® 300-5 C8 300Å HPLC Guard Column - 721061.30

Price: £135.50


Qty. 
+-
HPLC Guard Column EC 4/2 NUCLEOSIL 300-5 C8
Length: 4 mm, ID: 2 mm
Pack of 3

Require Column Protection System guard column holder (REF 718966)- for anayltical columns with 2 mm ID

5 µm particles · 300 Å pores · ~ 3 % C · not endcapped

* EC 4/3 guard column cartridges are used for EC columns of 4 and 4.6 mm ID with the Column Protection System guard column holder (REF 718966).

Octyl modified silica phases for HPLC
C8 ec: medium density modification, endcapped · 9 % C · USP L7
C8: not encapped · USP L7
Features
Nonpolar phases for RP chromatography
NUCLEOSIL® C8 ec:
Endcapped, available pore sizes 50 and 100 Å, particle size 5 µm
Separation mechanism based on hydrophobic (van der Waals) interactions, slight residual silanol interactions
Corresponding NUCLEODUR® phase: see NUCLEODUR® C8 ec
NUCLEOSIL® C8:
Not endcapped, available pore sizes 100, 120, 300 and 500 Å, available particle sizes 3 µm, 5 µm, 7 µm and 10 µm
Separation mechanism based on hydrophobic (van der Waals) interactions, noticeable silanol interactions
pH stability at 20 °C for both types: 2–8; carbon content depends on phase (see tables)

  • Model: 721061.30
  • Manufactured by: Macherey Nagel

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