Ion analysers need calibration once in which of the following durations?
A. Every two or three hours
B. Every nine or ten hours
C. Every 24 hours
D. Every 48 hours
Answer:A
Ion analysers need calibration once in which of the following durations?
A. Every two or three hours B. Every nine or ten hours C. Every 24 hours D. Every 48 hours
Explanation: Ion analysers need calibration every two or three hours. Temperature affects the output.