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Merck

1.52007

Chromolith® RP-18 endcapped (monolithic) HPLC Columns

L × I.D. 50 mm x 2 mm HPLC Column

동의어(들):

Chromolith® FastGradient RP-18 endcapped 50-2 HPLC column

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제품정보 (DICE 배송 시 비용 별도)

UNSPSC Code:
41115709
NACRES:
SB.52
Matrix active group:
C18 (RP18), C18 bonding phase
Pore size:
1.5 μm macroporosity, 13 nm mesoporosity
Matrix:
monolithic silica
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제품 이름

Chromolith® RP-18 endcapped, L × I.D. 50 mm x 2 mm HPLC column

material

PEEK column

Quality Segment

agency

suitable for USP L1

product line

Chromolith®

feature

endcapped

packaging

1 ea of

extent of labeling

18% Carbon loading

parameter

200 bar pressure, 45 °C max. temp.

technique(s)

LC/MS: suitable, UHPLC-MS: suitable, UHPLC: suitable, mass spectrometry (MS): suitable (High)

column L × I.D.

5 cm × 2 mm

matrix

monolithic silica

matrix active group

C18 (RP18), C18 bonding phase

pore size

1.5 μm macroporosity, 13 nm mesoporosity

operating pH range

2-7.5

separation technique

reversed phase

storage temp.

no temp limit

General description

Chromolith® columns are made of monolithic silica with a characteristic bimodal pore structure.

Chromolith® FastGradient RP-18 endcapped 50-2 columns have macropores with 1.5 μm diameter, giving a column efficiency exceeding 100,000 plates/meter. The mesopores are 13 nm (130 Å), the surface modification is octadecylsilane with full end-capping. Chromolith® FastGradient RP-18 endcapped 50-2 columns fall under the USP L1 Classification. The column efficiency is comparable to a 3-4 μm particle size fully porous particulate column. Chromolith® FastGradient RP-18 endcapped 50-2 columns are perfectly suitable for LC-MS applications.
The column dimension of 50 mm length and 2 mm I.D. is the best choice for fast separations on any U/HPLC System.

The revolutionary, monolithic silica with its unique combination of macropores and mesopores enable:
  • Rapid separations at very low column back-pressure
  • High matrix tolerance, allowing time and cost savings with simplified workflows
  • Cost-savings due to extended column lifetimes
  • Connection of columns, flow gradients and the use of mobile phases with higher viscosity


The recommended Guard-columns are:
Chromolith® RP-18 endcapped 5-2 guard cartridges (3 pieces) [1.52009] with the Chromolith® Guard Cartridge Holder (kit) 5 mm x 2 mm [1.52004].

The Chromolith® column coupler can be used to significantly increase the separation efficiency of Chromolith® columns by coupling several columns in series (up to 100,000 plates/per column). [1.51467].

Learn more:
Brochure: Race through your Separations on Any System. Chromolith® Monolithic Silica HPLC Columns

All Supelco HPLC Columns, including monolithic Chromolith® columns, are fully compatible to all HPLC and UHPLC Instruments.
Supelco HPLC Products: The Best Choice for Any LC Instrument

Analysis Note

Appearance: passes test
Pressure: ≤ 30 bar
Performance (anthracene)
Theoretical Plates (N/m) (Anthracene): ≥ 100000
Capacity factor (Anthracene): 3.6 - 4.3
Tailing (USP): 0.86 - 1.30 %
Selectivity
separation factor (anthracene/progesterone): 2.30 - 2.60

Legal Information

Chromolith is a registered trademark of Merck KGaA, Darmstadt, Germany


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