Spectrometry, Fluorescence - methods, Cooking and Eating Utensils, Reproducibility of Results, Chromatography, High Pressure Liquid - methods, Food Contamination - analysis, Solvents - chemistry, Triazines - isolation & purification, Luminescence, Triazines - analysis, Plastics - chemistry, Triazines - chemistry, Plastics - analysis, Microwaves, Hydrogen-Ion...