When you measure Ca+ concentration of a sample with a burner with the air-acetylene flame in Atomic Absorption Spectrometer, you move the burner up and down, why? To find a position of the burner where all materials in the sample can burn well O To find a position of the burner to minimize the waste of the sample materials O To find a position of the burner where the detector can find the radiation with correct wavelength for the measurement O To find a position of the burner where the detector can receive the lowest intensity of the radiation Question 10 1 pts What is the radiation source you would use when you determine the Ca+ concentration in a sample with Atomic Emission Spectrometry? A high energy electron beam O None of the other three answers O An electrodeless discharge lamp with calcium inside the light bulb. O A hollow cathode lamp with calcium as the cathode material