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In this study, thin layer chromatography (TLC) coupled with visible (Vis) spectrophotometry was established as a simple method of determining diacylglycerols (DGs). Samples were analyzed on TLC plates, developed, and then eluted to prepare the test solution. This solution was scanned on an ultraviolet spectrophotometer to ensure that the maximum absorbance of DGs was at 700 nm. Afterward, the relationship...
A new, rapid, and sensitive method was developed for speciation analysis of inorganic arsenic in dietary supplements using slurry sampling hydride generation atomic absorption spectrometry. As(III) content was determined under 1% HCl acidity conditions using both inhibitory effect of 8-hydroxyquinoline (8-HQ) on As(V) and its enhancing effect on As(III). Total inorganic arsenic content was determined...
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