Which analytical technique is used to determine the concentration of a substance in a solution by reacting it with a reagent of known concentration?
Question 2
In the context of food analysis, what does 'proximal analysis' refer to?
Question 3
Which of the following describes the fundamental principle of chromatography?
Question 4
What is the primary function of a mobile phase in chromatography?
Question 5
Which of the following analytical techniques is best suited for identifying and quantifying specific organic compounds in food, such as pesticides or flavor compounds, often by coupling with mass spectrometry?