Merck / Superspher

Superspher

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Superspher® HPLC columns, manufactured by Merck™, are based on spherical silica gel with a mean particle size of 4 µm. They enable highly efficient HPLC separations and provide an optimum pressure to separation performance ratio. Superspher® phases are well-suited for the analysis of complex sample mixtures that require high peak capacity. The columns are available in different C8 and C18 reversed-phase modifications and one unmodified variant for normal-phase chromatography.

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Technical Data

Phase-Name

Modification

Particle Size

Pore Size

End-capping

C-Content

USP

Surface

pH-Range

Tmax

Superspher®
100 RP-18

C18

4 µm

100 Å

-

21.0%

L1

350 m2 /g

N/A

N/A

Superspher®
100 RP-18
endcapped

C18

4 µm

100 Å

+

21.6%

L1

350 m2 /g

N/A

N/A

Superspher®
60 RP-8

C8

4 µm

60 Å

-

12.5%

L7

350 m2 /g

N/A

N/A

Superspher®
60 RP-8
endcapped

C8

4 µm

60 Å

+

13.0%

L7

350 m2/g

N/A

N/A

Superspher®
60 RP-select B

C8

4 µm

60 Å

+

11.5%

L7

360 m2 /g

N/A

N/A

Superspher®
Si 60

-

4 µm

60 Å

-

-

L3

700 m2 /g

N/A

N/A

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