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Table 3 Ammonia levels in sidestream smoke of four cigarette brands (n = 5)

From: Spectrophotometric determination of ammonia levels in tobacco fillers of and sidestream smoke from different cigarette brands in Japan

Cigarette brands Ammonia(mg/cigarette)
Mean ± SD
CABIN Mild Box 5.89 ± 0.23
Marlboro BLACK MENTHOL Box 5.23 ± 0.12
American Spirit Light 6.92 ± 0.56
Seven Stars 4.14 ± 0.19