The resolving power of a liquid chromatography peak is ………… knowing that its retention time 2.6 min and its full width at half maximum is 2.6 sec.

When scanning the computed tomography air phantom for image noise, the acceptable tolerance is

Flicker noise increases as …………..

………… interference is observed when the interferent produces a signal of its own which adds to that of the analyte of interest.

The American Society for Radiation Oncology accreditation program assessment for radiation oncology departments is guided by

The alignment of the gantry lasers with of the center of the imaging plane for CT simulators, per AAPM protocol, should be done

The clinical usefulness of a brachytherapy source mainly depends on its specific activity and   

The penumbra of the beam, at any depth in a phantom

The activity per unit mass of a radioactive material (Ci/g) is defined as

This is a 2 part question — be sure your response addresses both parts before continuing. 1.  An aqueous buffer solution is prepared with a 0.38 M concentration of HNO2 and a 0.27 M concentration of KNO2. The Ka for HNO2 is 7.52×10-4.  What is the pH of the solution?     2. If a small amount of sodium hydroxide is added to the buffer solution, will the equilibrium shift left, shift right, or not change? Provide a complete explanation that justifies your choice.