Flame spectrascopy

Answer the following questions about the results of this activity. Record your answers in the boxes. Send your completed lab report to your instructor. Don’t forget to save your lab report to your computer!

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Lab Activity 1

Sample

Number of Bands

Colors Present

Cesium Calibration
Standard

Violet, Green, Yellow, Orange, Red
Cesium Spectrum from Chart

13 Violet, Green, Yellow, Orange, Red

1. Is the flame spectrum from the Cesium Calibration Standard similar to or different from the spectrum from the Sample Metals Spectrum Chart?

2. What color would you expect cesium to be, based on the spectral data? What would you have to know to determine this?

Lab Activity 2
Record the number and color of the flame spectra bands for each water sample. Use the Flame Spectra Chart and Symbol table below to identify the elements (metals) in the different water samples.

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