陽イオン系統分析

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\begin{document}

\begin{tikzpicture}[>=stealth]
\node[draw,densely dashed,rectangle] (0) at (0,0) {\parboxx{\ce{Na+}~\ce{K+}~\ce{Mg^2+}~\ce{Ca^2+}~\ce{Sr^2+}~\ce{Ba^2+}\\
\ce{Mn^2+}~\ce{Zn^2+}~\ce{Al^3+}~\ce{Fe^3+}~\ce{Pb^2+}\\
\ce{Hg2^2+}~\ce{Hg^2+}~\ce{Cu^2+}~\ce{Cd^2+}~\ce{Ag+}}};
\node[draw,densely dashed,rectangle] (1) at ($(0)+(0,-5)$) {\parboxx{\ce{Na+}~\ce{K+}~\ce{Mg^2+}~\ce{Ca^2+}~\ce{Sr^2+}~\ce{Ba^2+}~（\ce{Pb^2+}）\\
\ce{Mn^2+}~\ce{Zn^2+}~\ce{Al^3+}~\ce{Fe^3+}~\ce{Hg^2+}~\ce{Cu^2+}~\ce{Cd^2+}}};
\node[draw,densely dashed,rectangle] (2) at ($(1)+(0,-2)$) {\parboxx{\ce{Na+}~\ce{K+}~\ce{Mg^2+}~\ce{Ca^2+}~\ce{Sr^2+}~\ce{Ba^2+}\\
\ce{Mn^2+}~\ce{Zn^2+}~\ce{Al^3+}~\ce{Fe^2+}}};
\node[draw,densely dashed,rectangle] (3) at ($(2)+(0,-3.75)$) {\parboxx{\ce{Na+}~\ce{K+}~\ce{Mg^2+}~\ce{Ca^2+}~\ce{Sr^2+}~\ce{Ba^2+}\\
\ce{Mn^2+}~\ce{[Zn(NH3)4]^2+}}};
\node[draw,densely dashed,rectangle] (4) at ($(3)+(0,-2)$) {\ce{Na+}~\ce{K+}~\ce{Mg^2+}~\ce{Ca^2+}~\ce{Sr^2+}~\ce{Ba^2+}};
\node[draw,densely dashed,rectangle] (5) at ($(4)+(0,-3.75)$) {\ce{Na+}~\ce{K+}~\ce{Mg^2+}};
\node (6) at ($(5)+(0,-1.5)$) {\ce{Na+}（黄）\ce{K+}（紫）\ce{Mg^2+}（無）};
\node[draw,densely dashed,rectangle] (7) at ($(5)+(7.1,0)$) {\ce{Ba^2+}~\ce{Sr^2+}~\ce{Ca^2+}};
\node (8) at ($(7)+(0,-1.5)$) {\ce{Ba^2+}（黄緑）\ce{Sr^2+}（紅）\ce{Ca^2+}（橙）};
\coordinate (z) at ($(0)!.3!(1)$);
\draw[->] (0) -- (1);
\draw[->] (z) -- +(4,0) node[right,draw,rectangle] {\ce{AgCl v}~\ce{PbCl2 v}~\ce{Hg2Cl2 v}（全て白）};
\node[left] at (z) {\ce{HCl}~▶};
\coordinate (y) at ($(1)!.5!(2)$);
\draw[->] (1) -- (2);
\draw[->] (y) -- +(4,0) node[right,draw,rectangle] {\ce{CuS}（黒）\ce{HgS}（黒）\ce{PbS}（黒）\ce{CdS}（黄）};
\node[left] at (y) {\ce{H2S}~▶};
\coordinate (x) at ($(2)!.7!(3)$);
\draw[->] (2) -- (3);
\node[anchor=south west,yshift=8pt] at (x) {◀~\parboxx{\ajMaru1\ 煮沸する\\
\ajMaru2\ \ce{HNO3}を加える\\
\ajMaru3\ \ce{NH4Cl}を加えてから\ce{NH3}を十分に加える}};
\draw[->] (x) -- +(4,0) node[right,draw,rectangle] {\ce{Al(OH)3 v}（白色ゲル状）\ce{Fe(OH)3}（赤褐）};
\draw[->] (3) -- (4);
\coordinate (w) at ($(3)!.5!(4)$);
\draw[->] (w) -- +(4,0) node[right,draw,rectangle] {\ce{ZnS}（白）\ce{MnS}（桃）};
\node[left] at (w) {\ce{H2S}~▶};
\draw[->] (4) -- (5);
\coordinate (v) at ($(4)!.5!(5)$);
\node[anchor=south west,yshift=8pt] at (v) {◀~\parboxx{\ajMaru1\ 煮沸する\\
\ajMaru2\ \ce{NH4Cl}を加えてから\ce{(NH4)2CO3}を加える}};
\draw[->] (v) -- +(4,0) node[right,draw,rectangle] {\ce{BaCO3 v}（白）\ce{SrCO3 v}（白）\ce{CaCO3 v}（白）};
\draw[<-] (7) -- +(0,1.57) node[midway,right] {◀~\ce{HCl}};
\draw[->] (5) -- (6) node[midway,left] {炎色反応~▶};
\draw[->] (7) -- (8) node[midway,right] {◀~炎色反応};
\coordinate (u) at (7.1,-1.8);
\node [draw,rectangle] (t) at ($(u)+(0,-1.5)$) {\ce{AgCl v}~\ce{Hg2Cl2 v}};
\coordinate (s) at ($(u)!.4!(t)$);
\draw[->] (u) -- (t);
\draw[->] (s) -- +(2,0) node[right,draw,densely dashed] {\ce{Pb^2+}（無）};
\node[left] at (s) {熱湯~▶};
\node [draw,rectangle] (r) at ($(t)+(0,-1.5)$) {\ce{Hg2Cl2 v}};
\coordinate (q) at ($(t)!.5!(r)$);
\draw[->] (t) -- (r);
\draw[->] (q) -- +(2,0) node[right,draw,densely dashed] {\ce{[Ag(NH3)2]+}（無）};
\node[left] at (q) {\ce{NH3}~▶};
\end{tikzpicture}


\end{document}