铝合金四元无氰沉锌剂 RC-NCY

<p ">
<span "><strong><span><span>１</span>.铝合金四元无氰沉锌剂工艺特点</span></strong><strong><span></span></strong></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>操作方便，适用于挂镀和滚镀。</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>不含氰化物。</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>可在铝表面产生一致密而均匀的四元金属沉锌薄层，为后序工序直接镀铜、镀镍、镀锡、化学沉镍提供良好的结合力。</span></span>
</p>
<p ">
<span "><strong><span><span ">２</span>.铝合金四元无氰沉锌剂镀液组成及操作条件<span font-size:14px;"></span></span></strong><strong><span></span></strong></span>
</p>
<table font-size:12px;">
<tbody>
<tr class="firstRow">
<td valign="top" width="410">
<p>
<span font-size:18px;">原料就操作条件</span><span "><br>
</span>
</p>
</td>
<td valign="top" width="222">
<p>
<span font-size:18px;">标准开缸量</span><span "><br>
</span>
</p>
</td>
<td valign="top" width="279">
<p>
<span font-size:18px;">范围</span>
</p>
</td>
</tr>
<tr>
<td valign="top" width="410">
<p>
<span font-size:18px;">铝合金四元无氰沉锌剂</span>
</p>
</td>
<td valign="bottom" width="222" align="center">
<p>
<span font-size:18px;">250毫升</span>
</p>
</td>
<td valign="top" width="279">
<p>
<span font-size:18px;">180-270毫升/升</span>
</p>
</td>
</tr>
<tr>
<td valign="top" width="410">
<p>
<span font-size:18px;">温度</span>
</p>
</td>
<td valign="middle" width="222" align="center">
<p>
<span font-size:18px;">21-24℃</span>
</p>
</td>
<td valign="top" width="279">
<p>
<span font-size:18px;">18-43℃</span>
</p>
</td>
</tr>
<tr>
<td valign="top" width="410">
<p>
<span font-size:18px;">时间</span>
</p>
</td>
<td valign="top" width="222">
<p>
<span font-size:18px;">30-60秒</span>
</p>
</td>
<td valign="top" width="279">
<p>
<span font-size:18px;">20-120秒</span>
</p>
</td>
</tr>
<tr>
<td valign="top" width="410">
<p>
<span font-size:18px;">锌含量</span>
</p>
</td>
<td valign="top" width="222">
<p>
<span font-size:18px;">11克/升</span>
</p>
</td>
<td valign="top" width="258">
<p>
<span "><span></span><span>8-12克/升</span></span>
</p>
</td>
</tr>
</tbody>
</table>
<p text-align:center;">
<span "><strong><span></span></strong><strong></strong></span>
</p>
<p ">
<span "><strong><span>３</span></strong><strong><span>.</span></strong><strong><span>铝合金四元无氰沉锌剂</span></strong><strong><span>溶液维护</span></strong><strong><span></span></strong></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>铝合金四元无氰沉锌剂的补充可按比重计算。溶液浓度在</span><span>250</span><span>毫升</span><span>/</span><span>升的情况下，比重单位大概为</span><span>1.10</span><span>，而溶液的比重应维持在</span><span>1.08-1.12</span><span>之间。每提升</span><span>0.01</span><span>比重单位需要补充</span><span>20</span><span>毫升</span><span>/</span><span>升铝合金无氰沉锌剂</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>每添加</span><span>22</span><span>毫升</span><span>/</span><span>升的铝合金无氰沉锌剂，可提供</span><span>1</span><span>克</span><span>/</span><span>升的锌含量</span></span>
</p>
<p ">
<span "><strong><span>４</span></strong><strong><span>.铝合金四元无氰沉锌剂</span></strong><strong><span>锌含量的分析方法</span></strong><strong><span></span></strong></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>用移液管准确吸取</span><span>1</span><span>毫升工作液放入锥形瓶中。</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>加入</span><span>80</span><span>毫升的纯水，</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>加入</span><span>5</span><span>毫升的</span><span>20%</span><span>（</span><span>V/V</span><span>）三乙醇胺，加入氟化铵约</span><span>1</span><span>克；</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>加入</span><span>10</span><span>毫升</span><span>PH=10</span><span>缓冲液和</span><span>10</span><span>亳升无水乙醇；</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>加入</span><span>3</span><span>－</span><span>4</span><span>滴</span><span>PAN</span><span>指示剂</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>用</span><span>0.1M EDTA</span><span>溶液滴定至溶液从红色变为黄色为终点。</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span> </span><span>锌含量（克</span><span>/</span><span>升）</span><span>=</span><span>滴定数（</span><span>0.1M EDTA</span><span>）×</span><span>6.54</span><span>÷</span><span>n</span><span>（</span><span>n</span><span>是取样量）</span></span>
</p>
<p ">
<span "><strong><span>５</span></strong><strong><span>.<strong><span>铝合金四元无氰沉锌剂</span></strong></span></strong><strong><span>设备需求</span></strong><strong><span></span></strong></span>
</p>
<p ">
<span "><span> 项目</span><span>               </span><span>要求</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>槽体</span><span>               PP</span><span>、</span><span>PVC</span><span>或高密度</span><span>PE</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>挂具</span><span>               PP</span><span>、</span><span>PVC</span><span>或</span><span>316</span><span>型不锈钢</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>空气搅拌</span><span>           </span><span>不需要有适度、均匀的打气搅拌</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>循环</span><span>               </span><span>需要</span><span>3-4</span><span>个循环</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>过滤系统</span><span>           </span><span>需要连续循环过滤</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>抽风</span><span>               </span><span>需要</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>冷却系统</span><span>           </span><span>需要</span></span>
</p>
<p ">
<span "><span>²<span ">  </span></span><span>加温系统     </span> <span>需要</span></span>
</p>