Day 120 LoQ template
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UV Spectrophotometric Determination and Validation of Hydroquinone in Liposome
The method has been developed and validated for the determination of hydroquinone in liposomal formulation. The samples were dissolved in methanol and evaluated in 293 nm. The validation parameters such as linearity, accuracy, precision, specificity, limit of detection (LOD) and limit of quantitation (LOQ) were determined. The calibration curve was linear in 1-50 µg/mL range of hydroquinone ana...
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An overview of the acrylamide content in commercial biscuits and bread derivatives (bread sticks, bread crust, crackers) marketed in Spain is presented. Acrylamide was determined by stable isotope dilution LC-MS with an LOQ of 30 microg kg(-1). Acrylamide content ranged from <LOQ-2085, <LOQ-151, <LOQ-296 and <LOQ-323 microg kg(-1) for biscuits, crisp bread, crackers and bread sticks, respective...
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In this study, a QuEChERS method and gas chromatography coupled with time-of-flight mass spectrometry (GC×GCTOFMS) was developed for rapid extraction and simultaneous determination of 12 pesticide residues in honey. The GC×GC-TOFMS method was validated according to the SANCO guidance in terms of linearity, selectivity, reproducibility and recovery. Regarding the results, recovery rates ranged b...
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A method for the determination of 42 hazard residues required by 'Japan Positive List System' in bottled water was described. Hazard compounds in bottled water were extracted with a solid phase extraction step using C18 disks. Determination was carried out by gas chromatography/mass spectrometry (GC/MS) and liquid chromatography-tandem mass spectrometry (LC/MS/MS). The disk extraction has high ...
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A fast liquid chromatographic method with tandem diode array-fluorescence detection for the simultaneous determination of in total seventeen opium alkaloids and opioids is presented. Blank blood and urine samples (1 mL) were spiked with different concentrations of a standard mixture, as well as with the internal standard, butorphanol (200 ng/mL). After solid-phase extraction, based on weak cati...
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