Effects of ammonium sulfate and Effects of ammonium sulfate and ammonium phosphate on flammability effectsofammoniu121geor Year: 1972 2 4 6 8 10 Grams of chemical per square foot 12 — c E O o a; a .60 .80 A (NH4)2SQ4 J JL 6 8 10 12 Grams of chemical per square foot 14 16 18 Figure 9.—Effect of (NHi+) 2^0^, on the rate of spread in excelsior fuel. 12

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