Comment on:Composite Colored Stars, Issue 8

Review by: Will Meyerriecks

Scot Anderson’s article states that “The calcium [impurity that interferes with flame color] may be present as a trace element in the water used during  rocessing”. (p 25, “Green” section) That is certainly possible, though I rather doubt it. Another potential source is the addition of “TCP”—tricalcium phosphate—also known as “anti-cake”—to the ammonium perchlorate (AP).

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Ref: JPyro, Issue 9, 1999, pp62-62
(J9_62)

© Journal of Pyrotechnics and CarnDu Ltd



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j09_62A_gg678.pdf