The combustion reaction and initiation of matches, gunpowder and the like IV Two match-like mixtures having barium peroxide or lead dioxide as oxidiger and their enlarged ones(*in Japanese)マッチ剤、黒色火薬およびこれと類型の組成をもつ発火剤の燃焼反応 (第4報) IV. 過酸化バリウムおよび2酸化鉛を酸化剤とするマッチ型発火剤