Metolachlor
Metolachlor
Page 6 of 8
MET_None_Other_IMM_Eng_Ody.fm
Interpretation
Sample #1 — Sample reading is less than the readings for both calibrators.
Therefore the sample concentration of Metolachlor is greater than both 0.5 ppb
and 2.0 ppb Metolachlor.
Sample #2 — Sample reading is between the readings for the 0.5 ppb and
2.0 ppb Metolachlor calibrators. Therefore the sample concentration of
Metolachlor is between 0.5 ppb and 2.0 ppb.
Sample #3 — Sample reading is greater than the readings for both calibrators.
Therefore the sample concentration of Metolachlor is less than both 2.0 ppb and
0.5 ppb.
Storing and Handling Reagents
• Wear protective gloves and eyewear.
• When storing reagent sets for extended periods of time, keep them out of
direct sunlight. Store reagents at a temperature of 4 °C when not in use.
• Keep the foil pouch containing the Antibody Cuvettes sealed when not in
use.
• If Stop Solution comes in contact with eyes, wash thoroughly for 15 minutes
with cold water and seek immediate medical help.
Sensitivity
The Metolachlor immunoassay test cannot differentiate between certain
herbicides and metabolites, but it detects their presence to differing degrees. The
following table shows the required concentration for selected chemicals.
Sample Collection and Storage
Collect samples in a clean glass bottle. Do not pre-rinse the bottle with the
sample. If the sample cannot be analyzed immediately, store the sample at 4 °C.
Samples may be kept for as long as 14 days. Warm the samples to room
temperature before analysis.
Compound
Concentration to give a
positive response of
0.5 ppb Metolachlor
Concentration to give a
positive response of 2.0
ppb Metolachlor
Acetochlor 74 ppm 398 ppm
Butachlor 84 ppb 550 ppb
2 Chloro-2',6'-Diethylacetaniline 8 ppm 60 ppm
2,6-Diethylaniline 61 ppm 313 ppm
Propachlor 60 ppb 295 ppb
The following compounds are not detectable at 10,000 ppb:
Atrazine Carbofuran Carbendazim
Aldicarb 2, 4-D
Diazoton Chlorpyirfos
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