“DETERMINATION OF SEMIVOLATILE ORGANIC CHEMICALS IN DRINKING WATER BY SOLID PHASE EXTRACTION AND CAPILLARY COLUMN GAS CHROMATOGRAPHY/ MASS SPECTROMETRY (GC/MS)” Initially published in 1988, Method 525 had two additional versions before the latest version, Method 525.3, was published in 2012. For brevity, we will provide the conclusion to the article first and then the main…
While United Chemical Technologies is most well-known for our high-quality solid phase extraction products and specialty silanes, silicones, and siloxanes, we also provide high-quality derivatizing reagents (DRs), with a wide variety of scientific applications. While DRs, such as UCT’s SBSTFA, are most used to help analyze current events such as blood, urine, or soil analysis,…
With concerns over the household use of pyrethroid pesticides for mosquito control, researchers in Thailand have developed a validated method for analyzing cis/trans-permethrinic acid in powdered milk. Pyrethroids are naturally occurring pesticides that are synthesized to manufacture mosquito coils and sprays for home use. These pesticides can bioaccumulate in women’s bodies and be excreted in…
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