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Environmental Reference Standards
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Retention Time Standards
Organophosphorus Pesticide Mix- European Formulation
acephate 200µg/mL
azinphos methyl (Guthion) 400
chlorpyrifos 100
demeton-s-methyl 200
dichlorvos (DDVP) 500
dimethoate 200
ethion 200
malathion 200
methamidophos 500
methidathion 200
omethoate 1,000
pirimiphos methyl 100
profenfos 200
pyrazophos 500
tokuthion (prothiofos) 200
tolclofos-methyl 100
Quantity Discounts
Order 3 or 4 of any one analytical reference material
product and receive a
10% discount! Order 5 or more
of any one analytical reference material product and
receive a
20% discount!