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Merck
CN

G001705

US EPA Method 8141: GC Analysis of Organophosphorus Pesticides (OP-Pest) on Equity-5, MS Detection

suitable for GC

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technique(s)

gas chromatography (GC): suitable

test parameters

column: Equity-5, 30 m × 0.25 mm I.D., 0.25 μm (28089-U)
oven: 120 °C (3 min), 5 ºC/min to 270 °C (5 min)
inj. temp.: 250 °C
MSD interface: 325 °C
scan range: m/z = 45-450
carrier gas: helium, 30 cm/sec @ 120 ºC
injection: 1 μL
liner: 4 mm I.D., double taper
sample: 40 ng on-column of a custom organophosphorus pesticides mix

application(s)

environmental

Legal Information

Analyte

Description
    Chlorpyrifos-methyl
    Disulfoton
    Leptophos
    Trichlorfon
    Famphur
    Chlorpyrifos
    EPN, 100 μg/mL in acetonitrile, PESTANAL®, analytical standard
    Phorate
    Tokuthion, technical grade, pkg of 50 mg
    TEPP, PESTANAL®, analytical standard
    Crotoxyphos
    Thionazin
    Phosmet
    Fenthion
    Merphos, PESTANAL®, analytical standard
    Ronnel, analytical standard
    Dichlorvos
    Fensulfothion
    Dimethoate
    Fenitrothion
    Azinphos-ethyl
    Carbophenothion
    Trichloronate
    Coumaphos
    Mevinphos
    Demeton S
    Chlorfenvinphos
    Ethion
    Terbufos
    Azinphos-methyl
    Demeton-O
    Malathion
    Methyl parathion, analytical standard
    Aspon, analytical standard
    Diazinon
    See All (35)

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