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180

www.restek.com

LC COLUMNS

Application-Specific Columns

Column Characteristics:

particle size:

5 µm, spherical

pore size:

60 Å

end-cap:

yes

pH range:

2.5 to 8

temperature limit: 80 °C

Allure® AK Guard Cartridge

Chromatographic Properties

This highly retentive, highly selective phase—unique to Restek—was developed specifically

for the analysis of aldehydes and ketones as DNPH derivatives. Allure® AK is a reversed-phase

HPLC material that has the unique ability to separate all 13 carbonyl compounds specified

in California Air Resources Board (CARB) Method #1004 using a simple acetonitrile/water

gradient. Other columns require long analysis times or the use of tetrahydrofuran.

Allure® AK Columns

3.2 mm ID

4.6 mm ID

Length

cat.#

price

cat.#

price

5 µm Columns with Trident Integral Inlet Fittings

200 mm

9159523-700

9159525-700

Guard Cartridges

3-pk.

(10 x 4.0 mm)

price

Allure AK Guard Cartridge

915950210

Restek Offers a Full Line of

Certified Reference Materials

www.restek.com/ i

so

Learn more on

pages 464–465 .