Polychlorinated Dibenzo-p-dioxin/

Polychlorinated Dibenzofuran (PCDD/PCDF)

Polychlorinated Biphenyls (PCB)

Polybrominated Diphenyl Ethers (PBDE)

Polychlorinated Naphthalenes (PCN)

Air Analysis

Hexachlorobenzene/Hexachlorocyclopentadiene (HCB/HCP)

  • Modified USEPA Method 1625

Introducing New Methods!

  • USEPA Method 1694 - Pharmaceutical and Personal Care products by LC/MS/MS
  • USEPA modified Method 539 - Steroids, Hormones, and BPA by LC/MS/MS
  • USEPA Method 1699 - Pesticides by HRGC/HRMS
  • Melamine and Related Contaminants (MARC) by LC/MS/MS
  • Nitrofuran Metabolites in Animal Products by LC/MS/MS

 

PERFLUOROCARBON COMPOUNDS BY LC/MS/MS - MODIFIED EPA 537

Perfluoro-n-butanoic acid

PFBA

Potassium perfluoro-1-butanesulfonate

L-PFBS

Perlfuoro-n-hexanoic acid

PFHxA

Sodium perfluoro-1-hexanesulfonate

L-PFHXS

Perfluoro-n-octanoic acid

PFOA

Sodium perfluoro-1-heptanesulfonate

L-PFHpS

Sodium perfluoro-1-octanesulfonate

L-PFOS

Perfluoro-n-undecanoic acid

PFUdA

Sodium perfluoro-1-decanesulfonate

L-PFDS

Perfluoro-n-tetradecanoic acid

PFTeDA

NITROFURAN METABOLITES IN ANIMAL PRODUCTS BY LC/MS/MS

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Nitrofurans are analyzed as their respective metabolites: AOZ, AMOZ, AHD,and SEM in a range of food matrices. These metabolites are obtained by acid hydrolysis, derivatization using 2-nitrobenzaldehyde, and cleanup. The extract is then analyzed using liquid chromatography-tandem mass spectrometry (LC/MS/MS) at practical quantitation limits well below the European Union MRPL of 1 µg/kg.  

Analyte
CAS #
3-amino-2-oxazolidinone (AOZ) 80-65-9
3-amino-5-morpholinomethyl-2-oxazolidinone (AMOZ) 43056-63-9
1-aminohydantoin (AHD) 6301-02-6
Semicarbazide (SEM) 563-41-7
 
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