Why Were Strontium Salts Excluded from Flame Tests?

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SUMMARY

Strontium salts were excluded from flame tests primarily due to their cost and availability rather than toxicity concerns. While beryllium is highly toxic, strontium itself is not considered dangerous unless in the form of the radioisotope Sr-90. The discussion highlights that strontium can replace calcium in bones, but this characteristic does not contribute to its exclusion from flame tests. The focus remains on practical considerations rather than health risks.

PREREQUISITES
  • Understanding of flame test procedures
  • Knowledge of alkali metals and their properties
  • Familiarity with the toxicity levels of chemical elements
  • Basic chemistry concepts related to element identification
NEXT STEPS
  • Research the flame test methodology for alkali metals
  • Investigate the properties and uses of strontium compounds
  • Learn about the toxicity and safety measures for handling beryllium
  • Explore the role of strontium in biological systems, particularly in bone health
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Chemistry students, laboratory technicians, educators in science, and anyone interested in the practical applications of flame tests in element identification.

McSpongy
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Homework Statement


Hello PF!
I had a lab practice a while ago of using flames to identify elements by its color. It had the first three alkali metals, calcium, magnesium and barium. We didn't use beryllium or strontium for whatever reason.
I don't know why we didn't use them, and that's why I come here. They are not super toxic, so that's not it. Is it because their salts are too expensive or difficult to obtain, or anything else?
Does anyone know something?
 
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Beryllium is highly toxic, especially in elemental form, and the danger is not completely eliminated in compound form.

http://en.wikipedia.org/wiki/Beryllium

Strontium is known to replace calcium in bones, but is not considered toxic unless it is the radioisotope Sr-90.
 

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