A selection of six salts for student use in observing spectra of some fairly common elements. Included are salts of barium, boron, calcium, lithium, potassium and strontium. Also provided are a test tube and a holder with a length of nichrome wire for introducing the salts directly into the flame. The test tube may be partially filled with water and the outside then dipped in a solution of the salt for introduction into the flame.
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