NUCLEODUR C18 Pyramid

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Instruction leaflet:
NUCLEODUR®
RP columns

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 mobile 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.

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.

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	Use guard column holder
*	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.
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