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A compound derived from ammonia and containing the bivalent NH group combined with a bivalent nonacid group.

在分析钯或镍沉淀剂化合物。

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With calcium chloride precipitant to eliminate the interference of PO43-, total nitrogen in compound fertilizer is determined by formol method.

化钙沉淀剂，消除磷酸根离扰，甲醛法测定复合肥总氮。

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3G, 401(K), a,

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We add those coagulant and it’s positively charged while most of the dirt and bacteria are the negative charge.

我们加剂带，而泥土和细菌带负。

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longsuffering, long-suffering, long-term, long-tested, longthrust, longtime, long-time, longtimer, Longton, long-tongued,

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3G, 401(K), a,
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