712
HPLC CHROMATOGRAMS |
ENVIRONMENTAL
Herbicides
LC_0319
Herbicides (Phenylurea) on Ultra C18
Peak List:
Conc. (µg/mL or ppm)
1. tebuthiuron
2
2. thidiazuron
2
3. monuron
5
4. fluometuron
2
5. diuron
2
6. propanil
2
7. siduron
2
8. linuron
2
9. carbazole
5
10. diflubenzuron
2
Sample:
Inj.:
20µL
Conc.:
see peak list
Sample diluent:
acetonitrile
Column:
Ultra C18
Cat.#:
9174565
Dimensions:
150mm x 4.6mm
Particle size:
5µm
Pore size:
100Å
Conditions:
Mobile phase:
A: 25mM phosphate buffer, pH 2.5
B: acetonitrile
Time (min.)
%B
0
40
8
40
14
55
18
55
19
40
Flow:
1.5mL/min.
Temp.:
ambient
Det.:
UV @ 245nm
LC_0309
Sample:
Inj.:
5µL custom mix
Conc.:
approx. 20µg/mL each
Diluent:
acetonitrile
Column:
Allure
®
C18
Cat.#:
9164565
Dimensions:
150mm x 4.6mm
Particle size:
5µm
Pore size:
60Å
Conditions:
Mobile phase:
A: water
B: acetonitrile
Time (min.) %B
0 20
10 40
15 40
26 80
34 80
34.1 20
Flow:
1.2mL/min.
Temp.:
ambient
Det.:
UV @ 220nm
Peak List:
Ret. Time (min.)
1. cyanazine
12.04
2. methabenzthiazuron
13.88
3. chlortoluron
14.59
4. secbumeton
15.74
5. isoproturon
16.18
6. diuron
16.78
7. linuron
22.48
8. flusilazole
24.29
9. ethofumesate
24.53
10. neburon
25.74
11. pendimethalin
31.46
Herbicides on Allure® C18
Website :
E-mail :
TelNo : 03 9762 2034 . . . in AUSTRALIA
Mar 2011
