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磷化氢(PH_3)为我国最常用的熏蒸剂,杀虫效果十分良好。此种气体的来源有磷化铝,磷化钙和磷化锌等。而磷化钙除大工厂生产外,现在有不少省份,在县、市、公社都能进行土法生产,价格低廉,有备战意义,是一种有发展前途的熏蒸剂。但磷化氢为一种剧毒气体,为了保护人民健康,对用磷化氢熏蒸后粮食中的残留情况,应进行了解,以掌握散气后残毒的消失规律,作为制订残毒标准的参考和依据。
Phosphine (PH_3) is the most commonly used fumigant in our country and its insecticidal effect is very good. Sources of such gases are aluminum phosphide, calcium phosphide and zinc phosphide. In addition to the large calcium phosphate plant production, there are now many provinces, in the county, city and commune can carry out indigenous production, low prices, preparation for the significance of a promising fumigant. However, phosphine is a highly toxic gas. In order to protect the health of the people, we should understand the residual food in the fumigation with phosphine to understand the disappearance of residual poison after the f in accordance with.