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- EC HPLC guard column (analytical), NUCLEOSIL 100-5 CN, 5 µm, 4x3 mm
For protection of your main HPLC column from contamination, it is recommended to use guard columns. These short columns are placed into a guard column holder. The guard column holder in combination with a guard column inside is installed between the injector and the HPLC column. This installation prevents chemical impurities to reach the main column. Because a contamination could form an irreversible bond with the column packing material (stationary phase) and this can result in shorter column life. If you want to prolong the lifetime of your main column, then these short columns can help you.
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Recommended application(s)
HPLC
Mode
Normal phase (NP)
Particle type
Fully porous particles (FPP)
Particle shape
Spherical
Endcapped
No
pH stability
2.0–8.0
Pore size
100 Å
Particle size
5 µm
Mode
Multi-mode (NP and RP)
Surface chemistry
Cyano, nitrile (CN) modification
Temperature stability (max)
60 °C
Hardware
Stainless steel
Column inner diameter
3 mm
USP listing
L10
Eluent in HPLC column
n-heptane
Brand
NUCLEOSIL
Pressure stability (max)
400 bar
Pore volume
1 mL/g
Specific surface according to BET
350 m²/g
Base material
NUCLEOSIL - the standard silica
Carbon content
5.0 %
Recommended application(s)
Guard column, ideal protection for your main column
Method
HPLC, protection
Scope of delivery
3x analytical HPLC guard columns
Column length
4 mm
Type
EC HPLC guard column (analytical)
Phase
NUCLEOSIL 100-5 CN
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