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近年来,市场上出现了“毒大米、“毒瓜子”等一系列假冒伪劣产品,都是以矿物油将陈米,陈瓜子等进行抛光,使其感官性状极好,以求得高额利润。此举严重地危害了广大人民的身体健康,我站对市场上这些产品进行了检测。1 方法1.1 预实验:将样品在干净滤纸上揉磨,若滤纸上出现油渍,将其置于紫外线灯下观察,油渍若显现天青色荧光,则为阳性,若无天青色荧光,则应做确证实验。
In recent years, a series of counterfeit and shoddy products such as “poisonous rice and poisonous melon seeds” appear on the market, all of which use the mineral oil to polish Chenmi and Chenguazai, so that their sensory traits are excellent, so as to obtain high profits .This action seriously endanger the health of the general population, I stand on the market these products were tested.1 MethodsPre-experiment: the sample rubbed on a clean filter paper, if the filter paper appears on the oil, place it in the ultraviolet Observed under the lamp, if the oil shows azure fluorescence, then positive, if there is no azure fluorescence, you should do to confirm the experiment.