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HPLC COLUMNS
Ul tra Columns
Ultra Quat Reagent Solution
In water, 20mL/bottle
cat. # 32441 (ea.)
$54
diquat dibromide
paraquat dichloride
Paraquat & Diquat Calibration Mix
1,000µg/mL each in water, 1mL/ampul
cat. # 32437 (ea.)
$28
Use with Ultra Quat HPLC column.
Dilute to 1 liter water, per instructions.
Ultra Quat Columns
Chromatographic Properties:
A retentive, high-purity, base deactivated reversed phase packing. Ideal for the analysis of
paraquat and diquat or other quaternary amines when used with Ultra Quat Reagent Solution
mobile phase additive (cat.# 32441).
Physical Characteristics:
particle size: 5µm, spherical
pore size: 100Å
pH range: 2.5 to 8
temperature limit: 80°C
4.6mm ID
Length
cat.#
price
5µm Column
150mm
9181565
Ultra Quat Guard Cartridges
Guard Cartridges
3-pk.
(10 x 2.1mm)
3-pk.
(10 x 4.0mm)
2-pk.
(20 x 2.1mm)
2-pk.
(20 x 4.0mm)
price
Ultra Quat Guard Cartridge 918150212
918150210
918150222
918150220
restek
exclusive
!
restek
innovation
!
An Ultra Quat column and Ultra Quat Reagent Solution eliminate the need for ion pairing reagents
in paraquat/diquat analysis.
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page #
paraquat, diquat . . . . . . . . . . . . . . . . . . . . . . . . . . . . .715
free
literature
Simple, Sensitive
HPLC/UV Analysis for
Paraquat and Diquat
Download your free
copy from
www.restek.com
lit. cat.# 580006
Consistent resolution, retention times, and peak symmetry for paraquat and diquat on an Ultra Quat column.
Peak List:
Peak time (min.)
1. diquat
7.5
2. paraquat
8.8
Sample:
Inj.:
20µL
Conc.:
20ppm each component (above);
20µg/mL, 40µg/mL, and 100µg/mL
each component at 308nm (left)
and at 257nm (right)
Sample diluent: water
Column:
Ultra Quat
Cat.#:
9181565
Dimensions:
150mm x 4.6mm
Particle size:
5µm
Conditions:
Mobile phase:
Ultra Quat Reagent Solution (cat.# 32441):
acetonitrile, 95:5 (v/v)
Flow:
1.0 mL/min.
Temp.:
27°C
Det.:
UV @ 257nm (paraquat)
UV @ 308nm (diquat)
min.
1
2
LC_0321
min.
diquat
308nm
paraquat
257nm
100µg/mL
40µg/mL
20µg/mL
100µg/mL
40µg/mL
20µg/mL
Website : www.chromtech.net.au E-mail : info@chromtech.net.au TelNo : 03 9762 2034 . . . in AUSTRALIA
Mar 2011