Pesticides - USP <561>m - LC/TQ

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Turnaround Time:

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Pesticides - USP <561>m - LC/TQ

Method Description

USP <561> pesticide testing using liquid chromatography targets polar and thermally labile pesticides that cannot be analyzed by gas chromatography. This method complements GC analysis to provide comprehensive pesticide screening required by USP standards for pharmaceutical and supplement applications. Many modern pesticides require LC analysis due to their chemical properties and stability characteristics.

Analyte List

Analyte NameLODLOQ
Dichlorvos12.5 ng/g25 ng/g
Cyfluthrin12.5 ng/g25 ng/g
Cypermethrin12.5 ng/g25 ng/g
Phosmet12.5 ng/g25 ng/g
Diazinon12.5 ng/g25 ng/g
Total Pyrethrins - MI12.5 ng/g25 ng/g
Permethrins (Sum of Cis- and Trans-Permethrin)12.5 ng/g25 ng/g
Acephate12.5 ng/g25 ng/g
Etrimphos12.5 ng/g25 ng/g
Fensulfothion (Sum of Fensulfothion, Fensulfothion-Oxon, Fensulfothion-Oxon-Sulfone, and Fensulfothion-Sulfone)12.5 ng/g25 ng/g
Fenthion (Sum of Fenthion, Fenthion-Oxon, Fenthion-Oxon-Sulfone, Fenthion-Oxon-Sulfoxide, Fenthion-Sulfone, and Fenthion-Sulfoxide)12.5 ng/g25 ng/g
Fonophos12.5 ng/g25 ng/g
Alachlor12.5 ng/g25 ng/g
Pirimiphos Methyl (Sum of Pirimiphos-Methyl and n-Desethyl-Pirimiphos-Methyl)12.5 ng/g25 ng/g
Deltamethrin12.5 ng/g25 ng/g
Methamidophos12.5 ng/g25 ng/g
Pirimiphos Ethyl12.5 ng/g25 ng/g
Ethion12.5 ng/g25 ng/g
Chlorpyrifos Ethyl12.5 ng/g25 ng/g
Azinphos Ethyl12.5 ng/g25 ng/g
Dimethoate + Omethoate12.5 ng/g25 ng/g
Profenophos12.5 ng/g25 ng/g
Malathion + Malaoxon12.5 ng/g25 ng/g
Fenpropathrin12.5 ng/g25 ng/g
Flucythrinate12.5 ng/g25 ng/g
Mecarbam12.5 ng/g25 ng/g
Piperonyl Butoxide12.5 ng/g25 ng/g
Lambda-Cyhalothrin12.5 ng/g25 ng/g
Pendimethalin12.5 ng/g25 ng/g
Prothiophos12.5 ng/g25 ng/g
Methidathion12.5 ng/g25 ng/g
Azinphos Methyl12.5 ng/g25 ng/g
Monocrotophos12.5 ng/g25 ng/g
Phosalone12.5 ng/g25 ng/g
Chlorfenvinphos12.5 ng/g25 ng/g
Quinalphos12.5 ng/g25 ng/g

Technical Data Sheet

Method Name
USP 561 Pesticide Analysis in Articles of Botanical Origin by LC/TQ
Method Code
LAB-TM-038
Equipment Type
High Performance Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS)
Equipment Details
Method Reference
Reportable Unit
ug/g
Sample Size Requirements
500 grams
Available for
Food Products, Dietary Supplements, Botanicals (Raw Materials, Extracts, Finished Products), API (Isolates, Active Ingredients)
Additional Information
Modified Test Method does not include the following analytes: Bromide, inorganic (calculated as bromide ion) Chlorpyriphos-methyl Dichlofluanid Dithiocarbamates (as CS2) Parathion-methyl and Paraoxon-methyl (sum of)
Unavailable for
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