Welch Materials Ultisil AQ-C18 Columns

Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to XB-C18, it has a weaker ability to adsorb impurities. This column is ideal for the analysis of polar samples, such as water-soluble vitamins, amino acids, and other hydrophilic compounds.

Ultisil Series HPLC Columns are based on ultra-pure (purity > 99.999%) spherical and totally porous silica, unique bonding chemistry and proprietary surface modification techniques, producing excellent peak shape, column efficiency and exceptional lot-to-lot reproducibility. Ultisil column is the best choice for method development. owing to complete bonding chemistries and stable performance.

Features

Ultra-pure spherical porous silica, purity > 99.999%
Wide pH range: 2.0-8.0
High efficiency: theoretical plate > 80000/m
Excellent peak symmetry: tailing factor=0.95~1.05
Exceptional lot-to-lot reproducibility

Displaying 21 to 40 (of 125 products)

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Item Name	Product Image	Price
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 2.1 x 75 mm - H00207-21011 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£352.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 100 mm - H00207-21021 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£384.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 125 mm - H00207-21022 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£416.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 150 mm - H00207-21023 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£400.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 200 mm - H00207-21024 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£424.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 250 mm - H00207-21025 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£448.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 30 mm - H00207-21018 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£336.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 300 mm - H00207-21026 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£480.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 50 mm - H00207-21019 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£352.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 75 mm - H00207-21020 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£368.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.9 x 150 mm - H00207-21064 (Replaces H17207-21032) Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£520.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.9 x 250 mm - H00207-21066 (Replaces H19207-21034) Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£544.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 100 mm - H00207-21030 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£424.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 125 mm - H00207-21031 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£448.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 150 mm - H00207-21032 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£440.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 200 mm - H00207-21033 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£464.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 250 mm - H00207-21034 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£488.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 30 mm - H00207-21027 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£360.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 300 mm - H00207-21035 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£552.00 New
Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 50 mm - H00207-21028 Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding density, offering moderate retention. Compared to...		£376.00 New

Displaying 21 to 40 (of 125 products)

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Welch Materials Ultisil AQ-C18 Columns

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 2.1 x 75 mm - H00207-21011

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 100 mm - H00207-21021

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 125 mm - H00207-21022

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 150 mm - H00207-21023

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 200 mm - H00207-21024

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 250 mm - H00207-21025

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 30 mm - H00207-21018

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 300 mm - H00207-21026

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 50 mm - H00207-21019

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.0 x 75 mm - H00207-21020

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.9 x 150 mm - H00207-21064 (Replaces H17207-21032)

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 3.9 x 250 mm - H00207-21066 (Replaces H19207-21034)

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 100 mm - H00207-21030

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 125 mm - H00207-21031

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 150 mm - H00207-21032

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 200 mm - H00207-21033

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 250 mm - H00207-21034

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 30 mm - H00207-21027

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 300 mm - H00207-21035

Welch Materials Ultisil AQ-C18 HPLC Column, 3 µm, 120 Å, 4.0 x 50 mm - H00207-21028

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