Which of the following are not the characteristics of colorimetry method used to monitor sulphur di-oxide?
A. It is simple
B. It has high sensitivity
C. It has good specificity
D. It is affected by interference from H2SO4, SO3, NH3, etc
Answer:D
Which of the following are not the characteristics of colorimetry method used to monitor sulphur di-oxide?
A. It is simple B. It has high sensitivity C. It has good specificity D. It is affected by interference from H2SO4, SO3, NH3, etc
Explanation: Colorimetry method is free from by the interference due to other gases such as It is affected by interference from H2SO4, SO3, NH3, etc. Colour intensity is sensitive to temperature.