<p><b>三氧化二鎳</b>是鎳的氧化物之一，化學式為Ni<sub>2</sub>O<sub>3</sub>。
</p>


<h2><span id=".E6.80.A7.E8.B4.A8"></span><span id="性质">性質</span></h2>
<p>灰黑色無氣味有光澤的塊狀物，易碎成細粉末。不溶於水，溶於氨水。溶於熱鹽酸並放出氯氣。溶於硫酸和硝酸並放出氧氣。600°C分解為一氧化鎳和氧氣。
</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>硫酸鎳溶液與碳酸鈉溶液進行複分解生成碳酸鎳，經過濾、濃縮、冷卻結晶、離心分離、乾燥得到乾燥的碳酸鎳固體，再經煅燒、球磨粉碎，製得三氧化二鎳。
</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\rm {\ NiSO_{4}+Na_{2}CO_{3}\rightarrow NiCO_{3}+Na_{2}SO_{4}}}}">
  <semantics>
    <mrow class="MJX-TeXAtom-ORD">
      <mstyle displaystyle="true" scriptlevel="0">
        <mrow class="MJX-TeXAtom-ORD">
          <mrow class="MJX-TeXAtom-ORD">
            <mtext> </mtext>
            <mi mathvariant="normal">N</mi>
            <mi mathvariant="normal">i</mi>
            <mi mathvariant="normal">S</mi>
            <msub>
              <mi mathvariant="normal">O</mi>
              <mrow class="MJX-TeXAtom-ORD">
                <mn>4</mn>
              </mrow>
            </msub>
            <mo>+</mo>
            <mi mathvariant="normal">N</mi>
            <msub>
              <mi mathvariant="normal">a</mi>
              <mrow class="MJX-TeXAtom-ORD">
                <mn>2</mn>
              </mrow>
            </msub>
            <mi mathvariant="normal">C</mi>
            <msub>
              <mi mathvariant="normal">O</mi>
              <mrow class="MJX-TeXAtom-ORD">
                <mn>3</mn>
              </mrow>
            </msub>
            <mo stretchy="false">→<!-- → --></mo>
            <mi mathvariant="normal">N</mi>
            <mi mathvariant="normal">i</mi>
            <mi mathvariant="normal">C</mi>
            <msub>
              <mi mathvariant="normal">O</mi>
              <mrow class="MJX-TeXAtom-ORD">
                <mn>3</mn>
              </mrow>
            </msub>
            <mo>+</mo>
            <mi mathvariant="normal">N</mi>
            <msub>
              <mi mathvariant="normal">a</mi>
              <mrow class="MJX-TeXAtom-ORD">
                <mn>2</mn>
              </mrow>
            </msub>
            <mi mathvariant="normal">S</mi>
            <msub>
              <mi mathvariant="normal">O</mi>
              <mrow class="MJX-TeXAtom-ORD">
                <mn>4</mn>
              </mrow>
            </msub>
          </mrow>
        </mrow>
      </mstyle>
    </mrow>
    <annotation encoding="application/x-tex">{\displaystyle {\rm {\ NiSO_{4}+Na_{2}CO_{3}\rightarrow NiCO_{3}+Na_{2}SO_{4}}}}</annotation>
  </semantics></math></span></span></dd>
<dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\rm {\ 2NiCO_{3}\ {\xrightarrow {\triangle }}\ Ni_{2}O_{3}+CO\uparrow +CO_{2}\uparrow }}}">
  <semantics>
    <mrow class="MJX-TeXAtom-ORD">
      <mstyle displaystyle="true" scriptlevel="0">
        <mrow class="MJX-TeXAtom-ORD">
          <mrow class="MJX-TeXAtom-ORD">
            <mtext> </mtext>
            <mn>2</mn>
            <mi mathvariant="normal">N</mi>
            <mi mathvariant="normal">i</mi>
            <mi mathvariant="normal">C</mi>
            <msub>
              <mi mathvariant="normal">O</mi>
              <mrow class="MJX-TeXAtom-ORD">
                <mn>3</mn>
              </mrow>
            </msub>
            <mtext> </mtext>
            <mrow class="MJX-TeXAtom-ORD">
              <mover>
                <mo>→</mo>
                <mpadded width="+0.611em" lspace="0.278em" voffset=".15em">
                  <mi mathvariant="normal">△<!-- △ --></mi>
                </mpadded>
              </mover>
            </mrow>
            <mtext> </mtext>
            <mi mathvariant="normal">N</mi>
            <msub>
              <mi mathvariant="normal">i</mi>
              <mrow class="MJX-TeXAtom-ORD">
                <mn>2</mn>
              </mrow>
            </msub>
            <msub>
              <mi mathvariant="normal">O</mi>
              <mrow class="MJX-TeXAtom-ORD">
                <mn>3</mn>
              </mrow>
            </msub>
            <mo>+</mo>
            <mi mathvariant="normal">C</mi>
            <mi mathvariant="normal">O</mi>
            <mo stretchy="false">↑<!-- ↑ --></mo>
            <mo>+</mo>
            <mi mathvariant="normal">C</mi>
            <msub>
              <mi mathvariant="normal">O</mi>
              <mrow class="MJX-TeXAtom-ORD">
                <mn>2</mn>
              </mrow>
            </msub>
            <mo stretchy="false">↑<!-- ↑ --></mo>
          </mrow>
        </mrow>
      </mstyle>
    </mrow>
    <annotation encoding="application/x-tex">{\displaystyle {\rm {\ 2NiCO_{3}\ {\xrightarrow {\triangle }}\ Ni_{2}O_{3}+CO\uparrow +CO_{2}\uparrow }}}</annotation>
  </semantics></math></span></span></dd></dl><h2><span id=".E7.94.A8.E9.80.94"></span><span id="用途">用途</span></h2>
<p>用作玻璃、陶瓷和搪瓷的著色材料，也用於製造鎳粉和磁性體的研究。
</p>
<h2><span id=".E5.8F.82.E8.A7.81"></span><span id="参见">參見</span></h2>
<ul><li>鹼式氧化鎳</li></ul><h2><span id=".E5.8F.82.E8.80.83.E8.B5.84.E6.96.99"></span><span id="参考资料">參考資料</span></h2>

<!-- 
NewPP limit report
Parsed by mw1390
Cached time: 20230505230408
Cache expiry: 1814400
Reduced expiry: false
Complications: [show‐toc]
CPU time usage: 0.239 seconds
Real time usage: 0.376 seconds
Preprocessor visited node count: 3430/1000000
Post‐expand include size: 88830/2097152 bytes
Template argument size: 24821/2097152 bytes
Highest expansion depth: 16/100
Expensive parser function count: 7/500
Unstrip recursion depth: 0/20
Unstrip post‐expand size: 1609/5000000 bytes
Lua time usage: 0.034/10.000 seconds
Lua memory usage: 1492829/52428800 bytes
Number of Wikibase entities loaded: 0/400
--><!--
Transclusion expansion time report (%,ms,calls,template)
100.00%  218.547      1 -total
 80.09%  175.027      1 Template:Chembox
 30.13%   65.844      1 Template:Chembox_Identifiers
 20.47%   44.740      1 Template:Chembox_Hazards
 16.01%   34.986      1 Template:Chembox_Properties
 13.45%   29.391     66 Template:Chembox_entry
 10.99%   24.027      1 Template:R49
  8.79%   19.210      2 Template:Navbox
  7.72%   16.881      1 Template:Reflist
  6.82%   14.911     11 Template:Chembox_CASCheck
-->
**三氧化二鎳**是鎳的氧化物之一，化學式為 Ni2O3。

## 性質

灰黑色無氣味有光澤的塊狀物，易碎成細粉末。不溶於水，溶於氨水。溶於熱鹽酸並放出氯氣。溶於硫酸和硝酸並放出氧氣。600°C 分解為一氧化鎳和氧氣。

## 製備

硫酸鎳溶液與碳酸鈉溶液進行複分解生成碳酸鎳，經過濾、濃縮、冷卻結晶、離心分離、乾燥得到乾燥的碳酸鎳固體，再經煅燒、球磨粉碎，製得三氧化二鎳。

　
: ${\rm {\ NiSO_{4}+Na_{2}CO_{3}\rightarrow NiCO_{3}+Na_{2}SO_{4}}}$

　
: ${\rm {\ 2NiCO_{3}\ {\xrightarrow {\triangle }}\ Ni_{2}O_{3}+CO\uparrow +CO_{2}\uparrow }}$

## 用途

用作玻璃、陶瓷和搪瓷的著色材料，也用於製造鎳粉和磁性體的研究。

## 參見

* 鹼式氧化鎳

## 參考資料
1314-06-3