A compound derived from ammonia and containing the bivalent NH group combined with a bivalent nonacid group.
在分析中用镍的沉淀剂的化合物。
With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method.
用化钙沉淀剂,消除磷酸的干扰,用甲醛法测定复合肥中的总氮。
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We add those coagulant and it’s positively charged while most of the dirt and bacteria are the negative charge.
们加的沉淀剂带正电荷的,而细菌带负电荷的。
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