How can samples above 1M in ammonia concentration be measured using ammonia electrode?
A. It must be diluted and measured
B. It cannot be measured
C. The electrode has to be modified for measuring
D. It can be measured directly
Answer:A
How can samples above 1M in ammonia concentration be measured using ammonia electrode?
A. It must be diluted and measured B. It cannot be measured C. The electrode has to be modified for measuring D. It can be measured directly
Explanation: Samples above 1M in ammonia concentration be measured by diluting the solution. Samples having concentrations below that can be measured directly.