如何鉴别尿素尿素是一种含氮量最高的氮肥，用途极为广泛。目前一些不法分子以外观颜色皆与尿素相似的硝酸铵等来冒充尿素，给广大消费者带来经济损失，造成土壤酸化。笔者从事质检工作，总结出一种鉴别方法，请试一试。虽然硝酸铵和尿素外观皆为白色或稍带黄色的结晶或颗... How to Identify Urea Urea is a nitrogenous fertilizer with the highest nitrogen content and has a very wide range of uses. At present, some unscrupulous elements with the appearance of color similar to urea and other ammonium nitrate to impersonate urea, to the vast number of consumers bring economic losses, resulting in acidification of the soil. I engaged in quality control work, summed up a method of identification, please give it a try. Although the appearance of ammonium nitrate and urea are white or slightly yellow crystal or ...