US EPA Method 8081: GC Analysis of Organochlorine Pesticides on Equity™-5
CONDITIONS
column
Equity™-5, 30 m × 0.25 mm I.D., 0.25 μm (28089-U)
oven
100 °C (2 min), 15 °C/min to 160 °C, 5 °C/min to 300 °C (10 min)
inj. temp.
225 °C
detector
ECD, 310 °C
carrier gas
helium, 30 cm/sec @ 100 °C
injection
2 μL, splitless (0.5 min)
liner
4 mm I.D., double taper
sample
50 ppb of a 22-component chlorinated pesticides standard (46845-U)
Description
General description
As per United States Environmental Protection Agency (EPA), method 8081 may be used in determining the concentrations of organochlorine pesticides in solid and liquid extracts. It can be achieved by using fused-silica, open tubular, capillary columns. This method allows choosing between single column and a dual column.
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