POTASSIUM ARSENATE
\pətˈasi͡əm ˈɑːsənət], \pətˈasiəm ˈɑːsənət], \p_ə_t_ˈa_s_iə_m ˈɑː_s_ə_n_ə_t]\
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A compound of potassium. and arsenic acid. Three arsenates of potassium. are known: (1) normal potassium. arsenate, or tripotassic arsenate, a crystalline body, K3ASO4; (2) monacid potassium. arsenate, or dipotassic arsenate, HK2ASO4; and (3) diacid potassium. arsenate, or monopotassic arsenate, often called simply potassium. arseniate, H2KAsO4, a body forming large crystals of acid reaction. The last mentioned is official in some continental pharmacopeias.
By Smith Ely Jelliffe
