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Dicamba and Acidic Herbicides LC-MS/MS in Agricultural Field Samples

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Application Detail (App ID: 25270)

Column: Kinetex® F5 2.6µm 100 Å, LC Column 100 x 3.0 mm, Ea

Part No:00D-4723-Y0

Dimensions:100 x 3 mm ID

Elution Type:Gradient

Elution A:water

Elution B:0.2% formic acid in methanol

Gradient Profile:

Step No.	Time (min)	Pct A	Pct B
1	0	98	2
2	1	60	40
3	4	48	52
4	12	15	85
5	13.5	10	90
6	15.5	10	90
7	15.6	98	2

Flow Rate:0.5 mL/min

Col. Temp: 30 °C

Detection: LC/MS/MS @ (0°C)

Note:5 g of soil sample or soybean foliage were collected from impacted and non-impacted agricultural field sites. Internal standard was added to the sample pre-extraction. Sample was homogenized and extracted with formic acid fortified acetonitrile. Sample was shaken for 15 minutes then centrifuged at 4000 rpm. The supernatant was diluted with aqueous mobile phase into 2 mL amber autosampler vials for LC-MS/MS analysis. The supernatant was diluted with aqueous mobile phase into 2 mL amber autosampler vials for LC-MS/MS analysis.

Analyte Details

Analyte Detail not available

13C6-DCSA

2,4,5-T_1

2,4,5-T_2

2,4,5-T_3

2,4,5-TP_1

2,4,5-TP_2

2,4-D_1

2,4-D_2

2,4-D_3

2,4-D_4

2,4-DB_1

2,4-DB_2

2,4-DB_3

2,4-DB_4

5-OH-Dicamba_1

5-OH-Dicamba_2

5-OH-Dicamba_3

5-OH-Dicamba_4

Acifluorfen_1

Acifluorfen_2

Acifluorfen_3

Acifluorfen_4

Bentazon_1

Bentazon_3

Bentazon_4

d3-Dicamba_1

d3-Dicamba_2

DCGA_1

DCGA_2

DCGA_3

DCGA_4

DCSA_1

DCSA_2

DCSA_3

DCSA_4

Dicamba_1

Dicamba_2

Dicamba_3

Dichlorprop_1

Dichlorprop_2

Dichlorprop_3

Dichlorprop_4

MCPA_1

MCPA_2

MCPA_3

MCPB_1

MCPB_2

MCPP_1

MCPP_2

MCPP_3