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COSMOSIL Alkyl, ODS Series HPLC Columns


COSMOSIL ODS columns are monomeric types of C18 phase. A new endcapping treatment with polar groups for "shield effect" has extended the pH range and significantly improved peak shape for basic compounds. This phase is recommended for most of applications but particularly effective for low molecular weight organic compounds. Columns packed with the octadecyl group bonded type silica gel (C18, ODS) are the most widely employed. We offer three types of octadecyl group bonded columns: COSMOSIL C18-MS-II, C18-AR-II and C18-PAQ, each of which has a different separation property. 

Bonded 22 (Tokoname chamber group), C 8 (octyl group), C 4 (butyl group) and TMS (ethyl group) offillers on the type COSMOSIL alkyl (alkyl type) Kalam Kalam. Kalam on the sample, depending on the action of lipophilic Kalam to stay the order C 22 = C 18 > C 8 > C 4 > TMS. Kalam with 18 or C- 22 is lower than the lipophilic action is effective to separate the highly lipophilic compound or compounds that have many differences between lipophilic structure. Lipophilic C 18 and 22 However, the C- 22stereochemistry of selectivity (stereoselectivity) is higher than the C 18.



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Nacalai Tesque COSMOSIL 3C18-AR-II Fast LC Packed Column, 3 µm, 2.0 mm I.D. x 100 mm - 06941-71

COSMOSIL C18-AR-IICOSMOSIL 5C18-AR-II is a polymeric type of C18 phase. It shows exceptional stability and long lifetime at low pH. This phase is...
Nacalai Tesque COSMOSIL 3C18-AR-II Fast LC Packed Column, 3 µm, 2.0 mm I.D. x 100 mm - 06941-71
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Nacalai Tesque COSMOSIL 3C18-AR-II Fast LC Packed Column, 3 µm, 2.0 mm I.D. x 150 mm - 07583-41

COSMOSIL C18-AR-IICOSMOSIL 5C18-AR-II is a polymeric type of C18 phase. It shows exceptional stability and long lifetime at low pH. This phase is...
Nacalai Tesque COSMOSIL 3C18-AR-II Fast LC Packed Column, 3 µm, 2.0 mm I.D. x 150 mm - 07583-41
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Nacalai Tesque COSMOSIL 3C18-AR-II Fast LC Packed Column, 3 µm, 2.0 mm I.D. x 75 mm - 34471-61

COSMOSIL C18-AR-IICOSMOSIL 5C18-AR-II is a polymeric type of C18 phase. It shows exceptional stability and long lifetime at low pH. This phase is...
Nacalai Tesque COSMOSIL 3C18-AR-II Fast LC Packed Column, 3 µm, 2.0 mm I.D. x 75 mm - 34471-61
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Nacalai Tesque COSMOSIL 3C18-AR-II Fast LC Packed Column, 3 µm, 4.6 mm I.D x 150 mm - 06887-01

COSMOSIL C18-AR-IICOSMOSIL 5C18-AR-II is a polymeric type of C18 phase. It shows exceptional stability and long lifetime at low pH. This phase is...
Nacalai Tesque COSMOSIL 3C18-AR-II Fast LC Packed Column, 3 µm, 4.6 mm I.D x 150 mm - 06887-01
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Nacalai Tesque COSMOSIL 3C18-AR-II Fast LC Packed Column, 3 µm, 4.6 mm I.D x 30 mm - 34417-81

COSMOSIL C18-AR-IICOSMOSIL 5C18-AR-II is a polymeric type of C18 phase. It shows exceptional stability and long lifetime at low pH. This phase is...
Nacalai Tesque COSMOSIL 3C18-AR-II Fast LC Packed Column, 3 µm, 4.6 mm I.D x 30 mm - 34417-81
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Nacalai Tesque COSMOSIL 3C18-MS-II Fast LC Packed Column, 3 μm, 2.0 mm I.D. x 100 mm - 34367-41

COSMOSIL C18-MS-IICOSMOSIL 5C18-MS-II is a monomeric type of C18 phase. A new endcapping treatment with polar groups for "shield effect"...
Nacalai Tesque COSMOSIL 3C18-MS-II Fast LC Packed Column, 3 μm, 2.0 mm I.D. x 100 mm - 34367-41
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Nacalai Tesque COSMOSIL 3C18-MS-II Fast LC Packed Column, 3 μm, 2.0 mm I.D. x 150 mm - 08723-71

COSMOSIL C18-MS-IICOSMOSIL 5C18-MS-II is a monomeric type of C18 phase. A new endcapping treatment with polar groups for "shield effect"...
Nacalai Tesque COSMOSIL 3C18-MS-II Fast LC Packed Column, 3 μm, 2.0 mm I.D. x 150 mm - 08723-71
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Nacalai Tesque COSMOSIL 3C18-MS-II Fast LC Packed Column, 3 μm, 2.0 mm I.D. x 75 mm - 34470-71

COSMOSIL C18-MS-IICOSMOSIL 5C18-MS-II is a monomeric type of C18 phase. A new endcapping treatment with polar groups for "shield effect"...
Nacalai Tesque COSMOSIL 3C18-MS-II Fast LC Packed Column, 3 μm, 2.0 mm I.D. x 75 mm - 34470-71
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Nacalai Tesque COSMOSIL 3C18-MS-II Fast LC Packed Column, 3 μm, 3.0 mm I.D. x 100 mm - 34366-51

COSMOSIL C18-MS-IICOSMOSIL 5C18-MS-II is a monomeric type of C18 phase. A new endcapping treatment with polar groups for "shield effect"...
Nacalai Tesque COSMOSIL 3C18-MS-II Fast LC Packed Column, 3 μm, 3.0 mm I.D. x 100 mm - 34366-51
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Nacalai Tesque COSMOSIL 3C18-MS-II Fast LC Packed Column, 3 μm, 3.0 mm I.D. x 150 mm - 07267-91

COSMOSIL C18-MS-IICOSMOSIL 5C18-MS-II is a monomeric type of C18 phase. A new endcapping treatment with polar groups for "shield effect"...
Nacalai Tesque COSMOSIL 3C18-MS-II Fast LC Packed Column, 3 μm, 3.0 mm I.D. x 150 mm - 07267-91
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Nacalai Tesque COSMOSIL 3C18-MS-II Fast LC Packed Column, 3 μm, 4.6 mm I.D. x 150 mm - 04785-91

COSMOSIL C18-MS-IICOSMOSIL 5C18-MS-II is a monomeric type of C18 phase. A new endcapping treatment with polar groups for "shield effect"...
Nacalai Tesque COSMOSIL 3C18-MS-II Fast LC Packed Column, 3 μm, 4.6 mm I.D. x 150 mm - 04785-91
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Nacalai Tesque COSMOSIL 5C18 Guard Column, 5 µm, 4.6 mm I.D. x 10 mm - 34349-81

COSMOSIL 5C18 The Cosmosil 5C 18  packed column features a monomeric near-perfect end-capped type of C18 reversed phase material that employs an...
Nacalai Tesque COSMOSIL 5C18 Guard Column, 5 µm, 4.6 mm I.D. x 10 mm - 34349-81
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Nacalai Tesque COSMOSIL 5C18 Packed Column, 5 µm, 20.0 mm I.D. x 150 mm - 34308-11

COSMOSIL 5C18 The Cosmosil 5C 18  packed column features a monomeric near-perfect end-capped type of C18 reversed phase material that employs an...
Nacalai Tesque COSMOSIL 5C18 Packed Column, 5 µm, 20.0 mm I.D. x 150 mm - 34308-11
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Nacalai Tesque COSMOSIL 5C18 Packed Column, 5 µm, 20.0 mm I.D. x 250 mm - 39476-61

COSMOSIL 5C18 The Cosmosil 5C 18  packed column features a monomeric near-perfect end-capped type of C18 reversed phase material that employs an...
Nacalai Tesque COSMOSIL 5C18 Packed Column, 5 µm, 20.0 mm I.D. x 250 mm - 39476-61
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Nacalai Tesque COSMOSIL 5C18 Packed Column, 5 µm, 4.6 mm I.D. x 100 mm - 39012-21

COSMOSIL 5C18 The Cosmosil 5C 18  packed column features a monomeric near-perfect end-capped type of C18 reversed phase material that employs an...
Nacalai Tesque COSMOSIL 5C18 Packed Column, 5 µm, 4.6 mm I.D. x 100 mm - 39012-21
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Nacalai Tesque COSMOSIL 5C18 Packed Column, 5 µm, 4.6 mm I.D. x 150 mm - 39047-81

COSMOSIL 5C18 The Cosmosil 5C 18  packed column features a monomeric near-perfect end-capped type of C18 reversed phase material that employs an...
Nacalai Tesque COSMOSIL 5C18 Packed Column, 5 µm, 4.6 mm I.D. x 150 mm - 39047-81
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Nacalai Tesque COSMOSIL 5C18 Packed Column, 5 µm, 4.6 mm I.D. x 250 mm - 39265-21

COSMOSIL 5C18 The Cosmosil 5C 18  packed column features a monomeric near-perfect end-capped type of C18 reversed phase material that employs an...
Nacalai Tesque COSMOSIL 5C18 Packed Column, 5 µm, 4.6 mm I.D. x 250 mm - 39265-21
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Nacalai Tesque COSMOSIL 5C18 Packed Column, 5 µm, 4.6 mm I.D. x 50 mm - 39225-41

COSMOSIL 5C18 The Cosmosil 5C 18  packed column features a monomeric near-perfect end-capped type of C18 reversed phase material that employs an...
Nacalai Tesque COSMOSIL 5C18 Packed Column, 5 µm, 4.6 mm I.D. x 50 mm - 39225-41
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Nacalai Tesque COSMOSIL 5C18 Packed Column, 5 µm, 6.0 mmI D. x 150 mm - 48957-81

COSMOSIL 5C18 The Cosmosil 5C 18  packed column features a monomeric near-perfect end-capped type of C18 reversed phase material that employs an...
Nacalai Tesque COSMOSIL 5C18 Packed Column, 5 µm, 6.0 mmI D. x 150 mm - 48957-81
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Nacalai Tesque COSMOSIL 5C18-AR Guard Column, 5 μm, 10.0 mm I.D. x 20 mm - 37966-01

COSMOSIL 5C18-AR Material Characteristics Silica gel totally porous spherical silica gel Average particle size 5 µm Average Pore size ...
Nacalai Tesque COSMOSIL 5C18-AR Guard Column, 5 μm, 10.0 mm I.D. x 20 mm - 37966-01
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