Colonne di guardia HPLC (analitiche) NUCLEODUR® NH2 5 µm, 4x3 mm, 3 Pezzo(i)
Codice articolo 1NEP.1
€ 167,93
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Colonne di guardia HPLC (analitiche) NUCLEODUR® NH2 5 µm, 4x3 mm, 3 Pezzo(i)
Dettagli del prodotto
Codice SA: 90279000
EAN: 8721028182289
Marca: Macherey-Nagel
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.
Further attractive products to complete your chromatography laboratory can be found on our Chromatography page!
HPLC Guard Columns (analytical) NUCLEODUR® NH2 5 µm, 4x3 mm
Technical Information
| Column inner diameter | 3 mm |
| Column length | 4 mm |
| L x Ø internal (column) | 4 x 3 mm |
| Endcapped | yes |
| Eluent in column | n-Heptane |
| Surface chemistry | Aminopropyl (NH2) modification |
| Separation principle | Multi-mode (NP and RP), Normal phase (NP) |
| Particle type | Fully porous particles (FPP) |
| Particle size | 5 µm |
| Specific surface according to BET | 340 m²/g |
| Pore volume | 0.9 ml/g |
| Pore size | 110 Å |
| Temperature stability | 60 ° C |
| Pressure stability | 600 bar |
| pH stability | 2.0 - 8.0 |
| Carbon content | 2.5 % |
Further attractive products to complete your chromatography laboratory can be found on our Chromatography page!
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