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NUCLEODUR® C18 Pyramid

High purity silica phase for HPLC

Octadecyl modification with polar endcapping,
suitable for aqueous eluents · endcapped · 14 % C · USP L1

Properties

Key features:
Stable in 100 % aqueous phase systems

Interesting polar selectivity features

Excellent base deactivation; suitable for LC/MS due to low bleeding characteristics

Technical characteristics:
Special phase with polar endcapping
Pore size 110 Å; particle sizes 1.8 μm, 3 μm and 5 μm
7 and 10 μm particles for preparative purposes on request
Carbon content 14 %; pH stability 1–9

Recommended application:
Analgesics, penicillin antibiotics, nucleic acid bases, water-soluble vitamins, complexing agents, organic acids
For applications click here.

EC standard columns for analytical HPLC

Ordering information

Eluent in column acetonitrile – water

Length ->

30 mm

50 mm

75 mm

100 mm

125 mm

150 mm

250 mm

NUCLEODUR® C18 Pyramid, 1.8 µm

2 mm ID

760271.20

760272.20

760275.20

760273.20

760274.20

3 mm ID

760271.30

760272.30

760273.30

4 mm ID

760271.40

760272.40

760273.40

4.6 mm ID

760271.46

760272.46

760273.46

EC guard columns*:

4 x 2 mm

761915.20

4 x 3 mm

761915.30

NUCLEODUR® C18 Pyramid, 3 µm

2 mm ID

760263.20

760264.20

760260.20

760261.20

760262.20

3 mm ID

760263.30

760264.30

760260.30

760261.30

760262.30

4 mm ID

760263.40

760264.40

760260.40

760261.40

760262.40

4.6 mm ID

760263.46

760259.46

760264.46

760260.46

760261.46

760262.46

EC guard columns*:

4 x 2 mm

761916.20

4 x 3 mm

761916.30

CC guard columns**:

8 x 3 mm

761854.30

8 x 4 mm

761854.40

NUCLEODUR® C18 Pyramid, 5 µm

2 mm ID

760200.20

760204.20

760201.20

760203.20

760202.20

3 mm ID

760200.30

760204.30

760201.30

760203.30

760202.30

4 mm ID

760200.40

760204.40

760201.40

760203.40

760202.40

4.6 mm ID

760200.46

760205.46

760204.46

760201.46

760203.46

760202.46

EC guard columns*:

4 x 2 mm

761917.20

4 x 3 mm

761917.30

CC guard columns**:

8 x 3 mm

761800.30

8 x 4 mm

761800.40

Guard columns in packs of 3, EC columns in packs of 1

Guard columns for EC columns

EC columns with ID:

Use guard
column holder

2 mm

3 mm

4 mm

4.6 mm

*

Column Protection System

EC guard column

4/2

4/3

4/3

4/3

REF 718966

**

ChromCart® guard column system

CC guard column

8/3

8/3

8/4

8/4

REF 721359

Custom-packed EC columns with other dimensions are available on request.

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VarioPrep columns for preparative HPLC

Ordering information

Eluent in column acetonitrile – water

Length

10 mm ID

21 mm ID

32 mm ID

40 mm ID

NUCLEODUR® C18 Pyramid, 5 µm

50 mm

762271.100

762271.210

125 mm

762273.100

762273.210

150 mm

762269.400

250 mm

762272.100

762272.210

762272.320

762272.400

VP guard columns with NUCLEODUR® C18 Pyramid

8 mm ID

16 mm ID

32 mm ID

10 mm*

762291.80

762291.160

15 mm*

762293.320

* VP guard column

Size

Pack of

for VP column

required holder

REF

VP 10/8

10 x 8 mm ID

2

10 mm ID

8 mm

718251

VP 10/16

10 x 16 mm ID

2

21 mm ID

16 mm

718256

VP 15/32

15 x 32 mm ID

1

32–40 mm ID

32 mm

718253

Custom-packed VP columns with other dimensions are available on request.

For details of the VarioPrep column system click here.

Standard program* of columns packed with NUCLEODUR® C18 Pyramid

Column system

Particle size:

1.8 µm

3 µm

5 µm

Analytical

EC columns (standard system, 2–4.6 mm)

Preparative

VarioPrep columns (VP, ≥ 8 mm)

 if you do not know our HPLC column systems, click the "i" for further information

* Please note! Most combinations of MN column types, available column dimensions and particle sizes can be custom-packed on request.