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Q1. The 3p<-3s transition of sodium occurs at 589 nm, and the 5s<-3p transition at 615.4...

Q1. The 3p<-3s transition of sodium occurs at 589 nm, and the 5s<-3p transition at 615.4 nm. Estimate the proportion of sodium atoms that could undergo the second transition in a natural gas/air flame (2400 K), and in an inductively coupled plasma source (6000 K). (ans for verification purposes: 1.14´10-4 and 0.0512 respectively)

Q2. Why are atomic emission methods with an inductively coupled plasma source better suited for multi-element analysis than flame absorption methods?

Q3. What is an internal standard and why is it used?

Can you help me solve the questions? short answer, please

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