Caractéristiques physiques des colonnes LC
- Partager :
Colonnes UHPLC
Colonne Restek
|
"End Cappée" ?
|
Taille des pores (Å)
|
Taux de carbonne (%)
|
Surface spécifique(m2/g)
|
pH
|
Applications
|
Propriétés chromatographiques
|
Phases équivalentes
|
Code
USP |
Y
|
90
|
7
|
1.8 μm: 125
|
2.0 to 8.0
|
Idéal pour les applications dans les domaines cliniques, de toxicologie médico-légale, et en bioanalyse comme le suivi thérapeutique des médicaments (TDM), l'analyse de stupéfiants ou les profils métaboliques en UHPLC-MS/MS. |
Meilleure rétention des composés insaturés, conjugués
ou à moment dipolaire. Sélectivité améliorée lorsqu’elle est utilisée avec une phase mobile MeOH (vs ACN). Plus grande capacité de pics pour une meilleure résolution des échantillons complexes. |
Ascentis Express Biphenyl (2.7µm), Kinetex Biphenyl
|
L11
|
|
N
|
90
|
7
|
1.8 μm: 125
|
1.0 to 8.0
|
Recommandée pour les analyses UHPLC-MS/MS avec phases mobiles acides. Idéale pour les analyses multi-composés (pesticides,
vitamines, acides aminés...) |
Profil de rétention basé sur la dispersion et les interactions
hydrophobes. Le ligand est protégé stériquement pour résister à l’hydrolyse acide liée à l’utilisation de phases mobiles à très bas pH (< 3). |
Ascentis Express Peptide ES-C18; Kinetex XB-C18; Poroshell 120 SB-C18; Accucore Vanquish C18+; Accucore XL C18 (1.5 μm)
|
L1
|
|
Y
|
90
|
9
|
1.8 μm: 125
|
2.0 to 8.0
|
La phase de choix pour des analyses fiables et rapides dans les domaines les plus variés :
sécurité et qualité des aliments, environnement, bioanalyse, etc... |
Une C18 “end-cappée” traditionnelle, idéale pour une
utilisation générique en phase inverse. La plus grande rétention des composés hydrophobes fournit des résultats chromatographiques de qualité avec les phases mobiles MeOH et ACN. |
Accucore Vanquish C18+; Accucore XL C18 (1.5 μm); Ascentis Express C18; Cortecs C18; Halo-2 C18; Kinetex C18; Poroshell 120 EC-C18
|
L1
|
|
N
|
90
|
4
|
1.8 μm: 125
|
2.0 to 8.0
|
Utilisable aussi bien en phase inverse qu’en mode HILIC, comme pour l’analyse des épimères de la vitamine D non séparés par les phases C18 traditionnelles. Idéale pour les composés basiques chargés, comme certains médicaments ou les composés contenant
des amines. |
Les atomes de Fluor attirent les électrons, ce qui offre
une rétention accrue pour les composés basiques chargés. Fiable et efficace avec l’utilisation de phases mobiles acides pour une meilleure sélectivité et une plus grande sensibilité en analyse MS/MS. |
Accucore
PFP, Ascentis Express F5, Halo 2.7 PFP, Kinetex PFP, Nucleoshell PFP, Poroshell PFP |
L43
|
|
Y
|
100
|
20
|
300
|
2.0 to 8.0
|
Forte rétention hydrophobe. Compatible avec une large gamme de phases mobiles, de
modérément acides a neutres (pH de 2 a 8) et adaptée pour l’analyse d’une grande variété de composés. |
Une C18 “end-cappée” traditionnelle, idéale pour une utilisation générique en phase inverse.
Transfert HPLC <--> UHPLC simplifié (5μm - 3μm - 1.8μm). |
ACQUITY UPLC HSS C18; Develosil C18 (3 μm and 5 μm); Discovery C18; Hypersil Gold C18; Hypersil Gold Vanquish (1.9 μm); Inertsil ODS-2; Kromasil C18; LiChrospher RP-18; Luna C18; Luna Omega C18 (1.6 μm); Symmetry C18; Syncronis C18 (1.7 μm); Titan C18 (1.9 μm); Zorbax Eclipse Plus C18; Zorbax Eclipse XDB-C18; Zorbax RRHD Eclipse Plus C18 (1.8 µm); Zorbax RRHD Eclipse XDB-C18 (1.8 µm)
|
L1
|
|
Y
|
100
|
15
|
300
|
2.0 to 8.0
|
Idéale pour les applications en bioanalyse
(ex : profils métaboliques) ou hospitalières (analyse de médicaments). Meilleure séparation et résolution des échantillons complexes là où les phases C18 ou de type phenyl ne sont pas assez sélectives. |
Meilleure rétention des composés insaturés, conjugués ou à moment dipolaire. Sélectivité améliorée lorsqu’elle est utilisée avec une phase mobile MeOH (vs ACN).
Sélectivité et sensibilité accrues pour les analyses LC-MS/MS. Transfert HPLC <--> UHPLC simplifié (5μm - 3μm - 1.8 μm). |
Unique
|
L11
|
|
N
|
100
|
10
|
300
|
2.0 to 8.0
|
Utilisable aussi bien en phase inverse qu’en mode HILIC. Idéale pour les composés basiques
chargés (ex : xanthines, nitrofuranes) |
Les atomes de Fluor attirent les électrons, ce qui offre une rétention accrue pour les composés basiques chargés. Fiable et efficace avec l’utilisation de phases mobiles acides pour une meilleure sélectivité et une plus grande sensibilité en analyse MS/MS. Transfert HPLC<--> UHPLC simplifié (5μm - 3μm - 1.8 μm).
|
ACQUITY UPLC HSS PFP; Discovery HS F5; Hypersil Gold PFP; Hypersil Gold Vanquish PFP (1.9 μm); Luna PFP(2); Pursuit PFP; Titan PFP (1.9 µm)
|
L43
|
|
Y
|
140
|
11
|
150
|
2.5 to 8.0
|
Hydrophobic C18 phase suitable for analyses of a wide range of compounds, from acidic through slightly basic.
|
Highly base-deactivated spherical silica manufactured by Restek Monomeric C18 bonding.
|
Spherisorb ODS, Zorbax ODS
|
L1
|
|
N
|
140
|
6
|
150
|
2.5 to 8.0
|
Ideal for applications that require highly aqueous mobile phases, such as organic acids and water-soluble vitamins.
|
Highly selective phase for polar analytes. Compatible with highly aqueous (up to 100%) mobile phases. Silica manufactured by Restek.
|
AQUA C18, Aquasil C18, Hypersil Gold AQ, YMC ODS-AQ
|
L1
|
|
Y
|
140
|
8
|
150
|
2.5 to 8.0
|
Excellent choice for the analysis of steroids, tetracyclines, drug metabolites, and other compounds that contain some degree of unsaturation.
|
Highly base-deactivated spherical silica manufactured by Restek. Unique reversed-phase material that displays both increased retention and selectivity for aromatic and/or unsaturated compounds when compared to conventional alkyl and phenyl phases.
|
Unique
|
L11
|
|
N
|
140
|
Proprietary
|
150
|
2.5 to 8.0
|
A polar group assists in deactivating surface silanols and contributes to unique separation selectivities for acids, bases, zwitterions, and other polar compounds.
|
One of a group of intrinsically base-deactivated (IBD) phases, with a polar group within, or intrinsic to, the alkyl bonded phase. Provides unique selectivity and high level of base deactivation while reducing or eliminating the need for mobile phase additives.
|
Unique
|
L68
|
|
Y
|
140
|
6
|
150
|
2.5 to 8.0
|
Exhibits excellent peak shapes for a wide range of compounds, including nucleosides, nucleotides, and halogenated compounds.
|
Highly base-deactivated spherical silica manufactured by Restek. Unique pentafluorophenyl phase with a propyl spacer.
|
Discovery HS F5
|
L43
|
|
N/A
|
140
|
N/A
|
150
|
2.5 to 8.0
|
Normal phase mode of separation.
|
Highly base-deactivated spherical silica manufactured by Restek.
|
Zorbax Silica
|
L3
|
|
N
|
140
|
Proprietary
|
150
|
2.5 to 8.0
|
Ideal for polycyclic aromatic hydrocarbons.
|
Specifically designed to resolve complex mixtures of polycyclic aromatic hydrocarbons.
|
Unique
|
—
|
Colonnes HPLC
Colonne Restek
|
"End Cappée" ?
|
Taille des pores (Å)
|
Taux de carbonne (%)
|
Surface spécifique (m2/g)
|
pH
|
Applications
|
Propriétés chromatographiques
|
Phases équivalentes
|
USP Code
|
Y
|
100
|
20
|
300
|
2.5 to 8.0
|
Colonne généraliste convenant parfaitement
pour une large gamme de composés, d’acides à modérément basiques. Idéale pour les méthodes Pharmacopée (USP). |
Une silice C18 ("OctaDécylSilylée") de haute pureté, très rétentive et offrant des excellentes symétries de pics pour une large gamme de composés.
|
Hypersil Gold C18, Luna C18, Reliant C18, Symmetry C18, Zorbax Eclipse C18, Zorbax Eclipse XDB C18
|
L1
|
|
Y
|
100
|
12
|
300
|
2.5 to 8.0
|
Colonne généraliste convenant parfaitement
pour une large gamme de composés, d’acides à modérément basiques. Idéale pour les méthodes Pharmacopée (USP). |
La chaîne alkyle plus courte offre une rétention hydrophobe moindre et une meilleure symétrie de pics
pour les composés basiques par rapport à une colonne C18. |
Eclipse Plus C8, Hypersil Gold C8, Luna C8, Symmetry C8, Zorbax Eclipse XDB C8
|
L7
|
|
Y
|
100
|
15
|
300
|
2.5 to 8.0
|
Colonne généraliste idéale pour les méthodes Pharmacopée (USP). Recommandée pour les
composés aromatiques et les échantillons complexes. |
Un cycle phényle attaché à une chaîne à 6 atomes de carbone offrant une sélectivité alternative aux phases hydrophobes à chaînes carbonées droites.
|
Eclipse Plus Phenyl-Hexyl, Hypersil Gold Phenyl, Luna Phenyl-Hexyl, Zorbax Eclipse XDB-Phenyl
|
L11
|
|
Y
|
100
|
8
|
300
|
2.5 to 8.0
|
Recommandée pour des analyses où une sélectivité alternative est nécessaire.
Excellent choix pour les bases protonées. Idéale pour les méthodes Pharmacopée (USP). |
Greffage Cyanopropyl pouvant travailler en phase normale, phase inverse et mode HILIC.
|
Hypersil Cyano, Luna CN, XSelect CN, Zorbax Eclipse XDB-CN
|
L10
|
|
N/A
|
100
|
N/A
|
300
|
2.5 to 8.0
|
Petits composés apolaires en phase normale. Composés polaires en mode HILIC (ex : vitamines hydrosolubles, acides organiques...).
|
Désactivée pour les bases, pour des séparations en phase normale ou mode HILIC.
|
Hypersil Gold Silica, Luna Silica, Pursuit XRs-Si
|
L3
|
|
Y
|
90
|
7
(2.7 µm) 5 (5 µm) |
2.7 μm: 130,
5 μm: 100 |
2.0 to 8.0
|
Idéale pour les applications en bioanalyse (ex : profils métaboliques) ou hospitalières (analyse de médicaments). Meilleure séparation et résolution des
échantillons complexes là où les phases C18 ou de type phenyl ne sont pas assez sélectives. |
Meilleure rétention des composés insaturés, conjugués ou à moment dipolaire. Sélectivité améliorée lorsqu’elle est utilisée avec une phase mobile MeOH (vs ACN).
Sélectivité et sensibilité accrues en analyse LC-MS/MS. |
Ascentis Express; Express Biphenyl; AMT; Halo Biphenyl (2.7 μm); Kinetex Biphenyl; Thermal Accucore Biphenyl (2.6 μm)
|
L11
|
|
N
|
90
|
7
(2.7 µm) 5 (5 µm) |
2.7 μm: 130,
5 μm: 100 |
1.0 to 8.0
|
Idéale pour les analyses LC-MS/MS avec une préparation d’échantillons minimale. Profil de rétention équilibré pour une meilleure détection et une meilleure intégration des composés dans les méthodes multi-analytes.
|
Profil de rétention équilibré. Protégée stériquement pour résister à l’hydrolyse acide liée à l’utilisation de phases mobiles à très bas pH (< 3). Idéale pour les
détecteurs sensibles comme les spectromètres de masse. |
Accucore XL C18, Ascentis Express Peptide ES-C18, Kinetex XB-C18, Poroshell 120 SB-C18
|
L1
|
|
Y
|
90
|
7
(2.7 µm) 5 (5 µm) |
2.7 μm: 130,
5 μm: 100 |
2.0 to 8.0
|
A traditional end-capped C18 ideal for general-purpose use in reversed-phase chromatography. pH range (2–8) provides excellent data quality for many applications, matrices, and compounds.
|
Compatible avec des phase mobiles de modérément acides à neutres. Recommandée pour de nombreux
domaines : sécurité et qualité des aliments, environnement, bioanalyse, etc. |
Accucore C18, Accucore RP-MS, ACE UltraCore Super C18, Ascentis Express C18, Cortecs C18, Halo 2.7 C18, Kinetex C18, Nucleoshell RP 18, Poroshell EC-C18, Sunshell C18
|
L1
|
|
N
|
90
|
4
(2.7 µm) 3 (5 µm) |
2.7 μm: 130,
5 μm: 100 |
2.0 to 8.0
|
Pour des applications en mode HILIC et/ou
des composés, tels que la vitamine D, non-séparés sur une colonne C18 traditionnelle. Idéale pour les composés basiques chargés. |
Les atomes de Fluor attirent les électrons, ce qui offre une rétention accrue pour les composés basiques chargés. Fiable et efficace avec l’utilisation de phases mobiles acides pour une meilleure sélectivité et une plus grande sensibilité en analyse MS/MS.
|
Accucore PFP, Ascentis Express F5, Halo 2.7 PFP, Kinetex PFP, Nucleoshell PFP, Poroshell PFP
|
L43
|
|
N/A
|
90
|
N/A
|
130
|
2.0 to 8.0
|
Idéale pour les petits composé polaires, spécialement ceux contenant des atomes d’azote, qui sont protonés dans des conditions à fort pourcentage d’organique. Recommandée pour l’analyse Paraquat/
Diquat. |
Rétention des petites molécules polaires sans utilisation de réactifs de paire d’ions.
|
Accucore HILIC, Ascentis Express HILIC, Cortecs HILIC, Halo HILIC, Kinetex HILIC, Poroshell 120 HILIC
|
L3
|
|
Proprietary
|
90
|
Proprietary
|
130
|
2.0 to 8.0
|
Recommended for LC-MS/MS analysis of polar compounds. Ideal for analyzing glyphosate and other polar contaminants in the QuPPe method, underivatized amino acids, and ultra-short chain PFAS.
|
Excellent resolution and separation of a wide variety of polar compounds. Combines HILIC and ion-exchange retention mechanisms together in a single ligand. Broadly applicable for polar compound analysis spanning different industries and methods.
|
Unique
|
N/A
|
|
N/A
|
100
|
5
|
300
|
2.5 to 8.0
|
Alternative selectivity to Ultra C18 or C8 columns, especially for polar analytes. Shortest chain alkyl phase available for reversed-phase separations.
|
Exceptionally stable C1 packing resists hydrolysis, even under acidic mobile phase conditions. Least retentive reversed-phase hydrocarbon packing.
|
Spherisorb C1
|
L13
|
|
Y
|
100
|
9
|
300
|
2.5 to 8.0
|
Ideal for peptides and small proteins.
|
Exceptionally stable C4 packing, with high bonding coverage and silanol base deactivation. Exhibits shorter retention than C18 or C8 phases.
|
Delta-Pak C4, Supelcosil Butyl (C4)
|
L26
|
|
Y
|
100
|
12
|
300
|
2.5 to 8.0
|
Selectivity and peak shape similar to Ultra C18, but less hydrophobic retention.
|
Very retentive, high-purity, base-deactivated reversed-phase packing that exhibits excellent peak shape for a wide range of compounds.
|
Eclipse Plus C8, Hypersil Gold C8, Luna C8, Symmetry C8, Zorbax Eclipse XDB C8
|
L7
|
|
Y
|
100
|
20
|
300
|
2.5 to 8.0
|
Ideal for anilines, barbiturates, carbonyls, fat-soluble vitamins, fatty acids, glycerides, phthalates, PTH amino acids, steroids, other acids.
|
A very retentive, high-purity phase that exhibits excellent peak shape for a wide range of compounds. Recommended as a general-purpose, reversed-phase column.
|
Develosil C18, Discovery C18, Eclipse Plus C-18, Hypersil Gold C18, Inertsil ODS-2, Kromasil C18, LiChrospher RP-18, Luna C18, Symmetry C18, Zorbax Eclipse XDB-CB
|
L1
|
|
N
|
100
|
15
|
300
|
2.5 to 8.0
|
Ideal for analyses that require >90% water in the mobile phase. Excellent for highly water-soluble or poorly organic-soluble compounds. Excellent for water-soluble vitamins and organic acids.
|
Highly retentive and selective for reversed-phase separations of polar analytes. Highly base deactivated. Compatible with highly aqueous (up to 100%) mobile phases.
|
AQUA C18, Aquasil C18, Hypersil Gold AQ, YMC ODS-AQ
|
L1
|
|
Y
|
100
|
15
|
300
|
2.5 to 8.0
|
An excellent choice for the analysis of steroids, tetracyclines, drug metabolites, and other compounds that contain some degree of unsaturation.
|
A unique reversed-phase material that exhibits both increased retention and selectivity for aromatic and/or unsaturated compounds, compared to conventional alkyl and phenyl phases.
|
Unique
|
L11
|
|
Y
|
100
|
17
|
300
|
2.5 to 8.0
|
A very suitable choice for analysis of steroids, tetracyclines, drug metabolites, and other compounds that contain some degree of unsaturation.
|
A unique reversed-phase material that exhibits superior retention and selectivity for aromatic and/or unsaturated compounds, compared to conventional alkyl and phenyl phases. This column is a great alternative to our Biphenyl phase when increased retention is required.
|
Unique
|
L11
|
|
N
|
100
|
12
|
300
|
2.5 to 8.0
|
A polar group assists in deactivating surface silanols and contributes to unique separation selectivities for acids, bases, zwitterions, and other polar compounds.
|
One of a group of intrinsically base-deactivated (IBD) phases, with a polar group within, or intrinsic to, the alkyl bonded phase. Provides unique selectivity and high level of base deactivation while reducing or eliminating the need for mobile phase additives.
|
Discovery ABZ & ABZ+, Prism, Symmetry Shield
|
L68
|
|
Y
|
100
|
11
|
300
|
2.5 to 8.0
|
Highly retentive for basic analytes. An excellent phase for separating nucleosides, nucleotides, purines, pyrimidines, and halogenated compounds.
|
A pentafluorophenyl phase with a propyl spacer.
|
Discovery HS F5; Luna PFP(2); Pursuit PFP
|
L43
|
|
Y
|
100
|
8
|
300
|
2.5 to 8.0
|
Excellent for basic pharmaceuticals, steroids (normal or reversed-phase conditions), or other basic compounds.
|
High-purity cyano phase with reduced silanol activity. Often a better choice than C18 for basic pharmaceuticals. Cyano is the most stable bonded phase for normal phase mode.
|
Develosil Cyano, Hypersil Gold CN, Luna CN, Platinum CN, Zorbax Eclipse XDB-CN
|
L10
|
|
N
|
100
|
2
|
300
|
2.5 to 8.0
|
Superior general-purpose amino phase. Ideal for carbohydrates.
|
Recommended for normal phase analyses of mono- and disaccharides and other similar compounds. Can also serve as a weak anion exchanger, with aqueous buffers.
|
Develosil NH2, Platinum Amino
|
L8
|
|
N/A
|
100
|
N/A
|
300
|
2.5 to 8.0
|
Ideal for normal phase applications.
|
High-purity, high surface area.
|
—
|
L3
|
|
Y
|
140
|
6
|
150
|
2.5 to 8.0
|
Applications similar to Pinnacle DB C18, but with less hydrophobic retention. Less retention can be useful for shortening analysis time if resolution is adequate.
|
Highly base-deactivated spherical silica manufactured by Restek. Monomeric C8 bonding. Similar to Pinnacle DB C18, but the shorter alkyl chain provides less hydrophobic retention.
|
Spherisorb C8, Zorbax C8
|
L7
|
|
Y
|
140
|
4
|
150
|
2.5 to 8.0
|
Suitable for a wide range of compounds, from acidic through slightly basic. Also useful for confirmation of analyses on a C18 or C8 column. Can be used in normal phase or reversed-phase mode of separation.
|
Highly base-deactivated spherical silica manufactured by Restek Cyano bonding.
|
Spherisorb Cyano, Zorbax CN
|
L10
|
Specialty Columns
Restek Column
|
End Cap?
|
Pore Size (Å)
|
Carbon Load (%)
|
Surface Area (m2/g)
|
pH Range
|
Applications
|
Chromatographic Properties
|
Similar Phases
|
USP Code
|
—
|
90
|
Proprietary
|
130
|
2.0 to 8.0
|
Application-specific column for the analysis of ethanol metabolites ethyl glucuronide (EtG) and ethyl sulfate (EtS) in urine.
|
Reproducible retention of EtG and EtS resolved from matrix interferences.
|
Unique
|
—
|
|
Allure Acrylamide
|
No
|
60
|
Proprietary
|
450
|
2.5 to 8.0
|
Application-specific column for the analysis of acrylamide in food and drinking water.
|
A very high surface area particle combined with a proprietary bonded phase to offer unique retention for small polar molecules like acrylamide.
|
Unique
|
—
|
N/A
|
60
|
N/A
|
450
|
2.5 to 8.0
|
Highly retentive phase for normal phase separation. Recommended for MOSH/MOAH analysis.
|
Highly retentive phase for normal phase separation of polar analytes. Very high surface area.
|
LiChrospher Si-60 (irregularly shaped particle), Maxsil Si (irregularly shaped particle)
|
L3
|
|
Y
|
60
|
Proprietary
|
450
|
2.5 to 8.0
|
Ideal for the analysis of aldehydes and ketones as DNPH derivatives.
|
Highly retentive, highly selective phase, developed specifically for the analysis of aldehydes and ketones as DNPH derivatives.
|
Unique
|
—
|
|
N
|
60
|
Proprietary
|
450
|
2.5 to 8.0
|
Excellent resolution of challenging organic acids.
|
Single 30 cm column performs equally to two C18 columns in series. (AOAC Method 986.13)
|
Unique
|
—
|
|
N
|
110
|
Proprietary
|
180
|
2.5 to 8.0
|
Maximum resolution of polycyclic aromatic hydrocarbons.
|
Proprietary stationary phase; resolves 16 PAHs in US EPA Method 610. Silica manufactured by Restek.
|
Unique
|
—
|
|
—
|
100
|
Proprietary
|
300
|
2.5 to 8.0
|
Rapid analysis of carbamates.
|
Proprietary stationary phase can process up to twice as many samples per hour, compared to a conventional C18 phase.
|
Unique
|
—
|
|
—
|
100
|
Proprietary
|
300
|
2.5 to 8.0
|
Proprietary phase for the analysis of quaternary amines.
|
High-purity silica.
|
Unique
|
—
|
Large Molecule Columns
Restek Column
|
End Cap?
|
Pore Size (Å)
|
Carbon Load (%)
|
Surface Area (m2/g)
|
pH Range
|
Applications
|
Chromatographic Properties
|
Similar Phases
|
USP Code
|
Y
|
300
|
3.5
|
100
|
2.5 to 8.0
|
Proteins and other higher molecular weight compounds. Less retentive than C18 and C8 phases.
|
Silica manufactured by Restek with a narrow distribution around the 300Å mean pore size for more surface interaction and analyte retention.
|
208 TP C4, BioBasic 4, Jupiter 300 C4, Symmetry 300 C4, SynChropak C4
|
L26
|
|
Y
|
300
|
5
|
100
|
2.5 to 8.0
|
Proteins and other higher molecular weight compounds. Less retentive than C18 phase.
|
Silica manufactured by Restek with a narrow distribution around the 300Å mean pore size for more surface interaction and analyte retention.
|
208 TP C8, BioBasic 8, SynChropak C8, Zorbax 300 OSB C8
|
L7
|
|
Y
|
300
|
9
|
100
|
2.5 to 8.0
|
Proteins and other higher molecular weight compounds.
|
Silica manufactured by Restek with a narrow distribution around the 300Å mean pore size for more surface interaction and analyte retention.
|
208 TP C18, BioBasic 18, Jupiter 300 C18, Symmetry 300 C18, SynChropak C18, Zorbax 300 OSB C18
|
L1
|
|
Y
|
300
|
7
|
100
|
2.5 to 8.0
|
Exhibits excellent peak shape for a wide range of compounds; ideal for large molecule and biomolecule assays.
|
Silica manufactured by Restek with a narrow distribution around the 300Å mean pore size for more surface interaction and analyte retention.
|
Unique
|
L11
|
|
Y
|
300
|
5
|
100
|
2.5 to 8.0
|
Exhibits excellent peak shape for a wide range of compounds, including nucleosides, nucleotides, and halogenated compounds.
|
Silica manufactured by Restek with a narrow distribution around the 300Å mean pore size for more surface interaction and analyte retention.
|
Unique
|
L43
|
|
N/A
|
300
|
N/A
|
100
|
2.5 to 8.0
|
Normal phase applications for highly retained high molecular weight compounds.
|
Silica manufactured by Restek with a narrow distribution around the 300Å mean pore size for more surface interaction and analyte retention.
|
Unique
|
L3
|
GNOT3475C-FR