Showing all 20 results

  • £286.00
    AC-023531

    C1 LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0mm, ...

    L13 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    C1 Phase 
    Alternative NameSAS
    Functional Group-(CH3)3
    USP DescriptionTrimethylsilane chemically bonded to porous silica particles - 3 to 10 µm in diameter.
    ApplicationLeast rententive of all alkyl group bonded phases for non-polar solutes. Typically used for moderately polar and multi-functional compounds.
    Normal PhaseNo
    Reverse PhaseYes
    Ion ExchangeNo
    HILICNo
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £260.00
    AC-025531

    C1 LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0mm, ...

    L13 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    C1 Phase 
    Alternative NameSAS
    Functional Group-(CH3)3
    USP DescriptionTrimethylsilane chemically bonded to porous silica particles - 3 to 10 µm in diameter.
    ApplicationLeast rententive of all alkyl group bonded phases for non-polar solutes. Typically used for moderately polar and multi-functional compounds.
    Normal PhaseNo
    Reverse PhaseYes
    Ion ExchangeNo
    HILICNo
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £286.00
    AC-033531

    C4 LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0mm,...

    L26 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    C4 Phase 
    Alternative NameButyl
    Functional Group-C4H9
    USP DescriptionButyl silane chemically bonded to totally porous silica particles - 5 to 10 µm in diameter
    ApplicationShorter retention than C8, C18. Separation of peptides and proteins.
    Normal PhaseNo
    Reverse PhaseYes
    Ion ExchangeNo
    HILICNo
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £260.00
    AC-035531

    C4 LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0mm,...

    L26 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    C4 Phase 
    Alternative NameButyl
    Functional Group-C4H9
    USP DescriptionButyl silane chemically bonded to totally porous silica particles - 5 to 10 µm in diameter
    ApplicationShorter retention than C8, C18. Separation of peptides and proteins.
    Normal PhaseNo
    Reverse PhaseYes
    Ion ExchangeNo
    HILICNo
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £286.00
    AC-043531

    C8 LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0mm,...

    L7 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    C8 Phase 
    Alternative NameMOS
    Functional Group-C8H17
    USP DescriptionOctyl silane chemically bonded to totally porous microsilica particles - 1.5 to 10 µm in diameter
    ApplicationLess retentive than C18; normally used for small peptides and proteins, pharmaceuticals, steroids, environmental samples.
    Normal PhaseNo
    Reverse PhaseYes
    Ion ExchangeNo
    HILICNo
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £260.00
    AC-045531

    C8 LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0mm,...

    L7 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    C8 Phase 
    Alternative NameMOS
    Functional Group-C8H17
    USP DescriptionOctyl silane chemically bonded to totally porous microsilica particles - 1.5 to 10 µm in diameter
    ApplicationLess retentive than C18; normally used for small peptides and proteins, pharmaceuticals, steroids, environmental samples.
    Normal PhaseNo
    Reverse PhaseYes
    Ion ExchangeNo
    HILICNo
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £286.00
    AC-063531

    CN LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0mm, ...

    L10 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    Cyano Phase 
    Alternative NameCPS, CN
    Functional Group-(CH2)3CN
    USP DescriptionNitrile groups chemically bonded to porous silica particles - 3 to 10 µm in diameter
    ApplicationUnique selectivity for polar compounds, more suitable than base silica for normal phase gradient separations. When used in reversed phase, the selectivity is different to that of the C8 and C18 phases. Useful for a wide range of pharmaceutical applications and for mixtures of very different solutes.
    Normal PhaseYes
    Reverse PhaseYes
    Ion ExchangeNo
    HILICNo
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £260.00
    AC-065531

    CN LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0mm, ...

    L10 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    Cyano Phase 
    Alternative NameCPS, CN
    Functional Group-(CH2)3CN
    USP DescriptionNitrile groups chemically bonded to porous silica particles - 3 to 10 µm in diameter
    ApplicationUnique selectivity for polar compounds, more suitable than base silica for normal phase gradient separations. When used in reversed phase, the selectivity is different to that of the C8 and C18 phases. Useful for a wide range of pharmaceutical applications and for mixtures of very different solutes.
    Normal PhaseYes
    Reverse PhaseYes
    Ion ExchangeNo
    HILICNo
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £286.00
    AC-103531

    Diol LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0mm...

    L20 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    Diol Phase 
    Alternative NameDiol
    Functional Group-(CH2)2OCH2(CH2OH)2
    USP DescriptionDihydroxypropane groups chemically bonded to porous silica particles 3 to 10 µm in diameter
    ApplicationReversed Phase: Proteins, peptides. Normal Phase: Similar selectivity to silica, but less polar.
    Normal PhaseYes
    Reverse PhaseYes
    Ion ExchangeNo
    HILICYes
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £260.00
    AC-105531

    Diol LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0mm...

    L20 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    Diol Phase 
    Alternative NameDiol
    Functional Group-(CH2)2OCH2(CH2OH)2
    USP DescriptionDihydroxypropane groups chemically bonded to porous silica particles 3 to 10 µm in diameter
    ApplicationReversed Phase: Proteins, peptides. Normal Phase: Similar selectivity to silica, but less polar.
    Normal PhaseYes
    Reverse PhaseYes
    Ion ExchangeNo
    HILICYes
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £286.00
    AC-073531

    NH2 LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0mm,...

    L8 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    Amino Phase 
    Alternative NameAPS
    Functional Group-(CH2)3NH2
    USP DescriptionAn essentially monomolecular layer of aminopropylsilane chemically bonded to totally porous silica gel support 10 µm in diameter
    ApplicationHILIC: Carbohydrate analysis and other polar compounds. Weak anion exchange: anions and organic acids. Normal phase: Alternative selectivity to silica. Good for aromatics.
    Normal PhaseYes
    Reverse PhaseYes
    Ion ExchangeYes
    HILICYes
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £260.00
    AC-075531

    NH2 LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0mm,...

    L8 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    Amino Phase 
    Alternative NameAPS
    Functional Group-(CH2)3NH2
    USP DescriptionAn essentially monomolecular layer of aminopropylsilane chemically bonded to totally porous silica gel support 10 µm in diameter
    ApplicationHILIC: Carbohydrate analysis and other polar compounds. Weak anion exchange: anions and organic acids. Normal phase: Alternative selectivity to silica. Good for aromatics.
    Normal PhaseYes
    Reverse PhaseYes
    Ion ExchangeYes
    HILICYes
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £286.00
    AC-153531

    ODS-H LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0m...

    L1 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    ODS-H Example 1.
    kromega Select ODS-HThe absence of active silanols in kromega Select is illustrated by this standard test mixture which includes both pyridine and phenol. The lack of peak tailing clearly demonstrates the absence of metallic impurities.
    1. Pyridine, 2. Phenol
    COLUMNkromega Select ODS-H 5µm
    DIMENSIONS15cm x 4.6mm
    MOBILE PHASE40:60 Acetonitrile:Water
    TEMPERATURE40°C
    FLOW RATE1 ml/min
    DETECTIONUV at 254nm
    ODS-H Example 2
    kromega Select ODS-H Example 2Neutral silanol groups can still occasionally cause problems with certain classes of compound. Theobromine, theophylline and caffeine are particularly prone to this effect. In kromega Select this effect is elimated by full end capping.
    1. Theobromine, 2. Theophylline,
    3. Caffeine, 4. Phenol
    COLUMNkromega Select ODS-H 5µm
    DIMENSIONS15cm x 4.6mm
    MOBILE PHASE25:75 Methanol:Water
    TEMPERATURE30°C
    FLOW RATE1 ml/min
    DETECTIONUV at 254nm
    ODS-H Example 3.
    kromega Select ODS-H Example 3Many compounds such as polyphenols interact irreversibly with the active sites on silica based reversed phase materials. In the case of kromega Select ODS-H this problem does not occur, which makes it possible to analyse problematic compounds such as in the ODS-H Example below.
    kromega Select Compounds
    COLUMNkromega Select ODS-H 5µm
    DIMENSIONS15cm x 4.6mm
    MOBILE PHASETHF:Water:Formic Acid (35:60:5)
    TEMPERATURE40°C
    FLOW RATE0.65 Sl/min
    DETECTIONUV at 254nm

  • £260.00
    AC-155531

    ODS-H LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0m...

    L1 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    ODS-H Example 1.
    kromega Select ODS-HThe absence of active silanols in kromega Select is illustrated by this standard test mixture which includes both pyridine and phenol. The lack of peak tailing clearly demonstrates the absence of metallic impurities.
    1. Pyridine, 2. Phenol
    COLUMNkromega Select ODS-H 5µm
    DIMENSIONS15cm x 4.6mm
    MOBILE PHASE40:60 Acetonitrile:Water
    TEMPERATURE40°C
    FLOW RATE1 ml/min
    DETECTIONUV at 254nm
    ODS-H Example 2
    kromega Select ODS-H Example 2Neutral silanol groups can still occasionally cause problems with certain classes of compound. Theobromine, theophylline and caffeine are particularly prone to this effect. In kromega Select this effect is elimated by full end capping.
    1. Theobromine, 2. Theophylline,
    3. Caffeine, 4. Phenol
    COLUMNkromega Select ODS-H 5µm
    DIMENSIONS15cm x 4.6mm
    MOBILE PHASE25:75 Methanol:Water
    TEMPERATURE30°C
    FLOW RATE1 ml/min
    DETECTIONUV at 254nm
    ODS-H Example 3.
    kromega Select ODS-H Example 3Many compounds such as polyphenols interact irreversibly with the active sites on silica based reversed phase materials. In the case of kromega Select ODS-H this problem does not occur, which makes it possible to analyse problematic compounds such as in the ODS-H Example below.
    kromega Select Compounds
    COLUMNkromega Select ODS-H 5µm
    DIMENSIONS15cm x 4.6mm
    MOBILE PHASETHF:Water:Formic Acid (35:60:5)
    TEMPERATURE40°C
    FLOW RATE0.65 Sl/min
    DETECTIONUV at 254nm

  • £286.00
    AC-163531

    ODS-L LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0m...

    L1 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    ODS-L Example 1.
    kromega Select ODS-LOne particular advantage is that even pure water can be used as the eluent without the need for any organic modifier. Highly polar samples only soluble in water may be separated by this packing material, e.g. sugars and other saccharides.
    1. Pyridine, 2. Phenol
    COLUMNkromega Select ODS-L 5µm
    DIMENSIONS15cm x 4.6mm
    MOBILE PHASE100% Water (HPLC Grade)
    TEMPERATURE40°C
    FLOW RATE1 ml/min
    DETECTIONRefractive Index

  • £260.00
    AC-165531

    ODS-L LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0m...

    L1 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    ODS-L Example 1.
    kromega Select ODS-LOne particular advantage is that even pure water can be used as the eluent without the need for any organic modifier. Highly polar samples only soluble in water may be separated by this packing material, e.g. sugars and other saccharides.
    1. Pyridine, 2. Phenol
    COLUMNkromega Select ODS-L 5µm
    DIMENSIONS15cm x 4.6mm
    MOBILE PHASE100% Water (HPLC Grade)
    TEMPERATURE40°C
    FLOW RATE1 ml/min
    DETECTIONRefractive Index

  • £286.00
    AC-083531

    Phenyl LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4....

    L11 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    Phenyl Phase 
    Alternative NamePhenyl
    Functional Group-(CH3)C6H5
    USP DescriptionPhenyl groups chemically bonded to porous silica particles - 1.5 to 10 µm in diameter
    ApplicationAromatic compounds and moderately polar compounds.
    Normal PhaseNo
    Reverse PhaseYes
    Ion ExchangeNo
    HILICNo
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £260.00
    AC-085531

    Phenyl LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4....

    L11 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    Phenyl Phase 
    Alternative NamePhenyl
    Functional Group-(CH3)C6H5
    USP DescriptionPhenyl groups chemically bonded to porous silica particles - 1.5 to 10 µm in diameter
    ApplicationAromatic compounds and moderately polar compounds.
    Normal PhaseNo
    Reverse PhaseYes
    Ion ExchangeNo
    HILICNo
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £286.00
    AC-013531

    Silica LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0...

    L3 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    Silica Phase 
    Alternative NameSilica
    Functional Group-OH
    USP DescriptionPorous silica particles - 5 to 10 µm in diameter
    ApplicationNon-polar and moderately polar organic compounds.
    Normal PhaseYes
    Reverse PhaseNo
    Ion ExchangeNo
    HILICYes
    Typical Efficency:75000 plates/m
    pH Range1-10

  • £260.00
    AC-015531

    Silica LC Column. Porosity: 120Å, Length: 125mm, I.D.: 4.0...

    L3 (Stainless Steel Hardware). Length: 125mm, I.D.: 4.0mm, pH range: 1-10

    Silica Phase 
    Alternative NameSilica
    Functional Group-OH
    USP DescriptionPorous silica particles - 5 to 10 µm in diameter
    ApplicationNon-polar and moderately polar organic compounds.
    Normal PhaseYes
    Reverse PhaseNo
    Ion ExchangeNo
    HILICYes
    Typical Efficency:75000 plates/m
    pH Range1-10