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src="http://tyunfile.71360.com/WaterMark/UploadFile/szdcgjs/637145995841484375/5275823.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gkguqke" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/szdcgjs/637145995841484375/5275823.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8e8ymgs" class="content"><p><span>需求數量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產品關鍵詞：</span>廣東硝酸鈀回收價錢</p><p><span>***更新：</span>2020-06-01 05:14:44</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="0cy2eoi" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州德誠貴金屬回收利用有限公司</a></p><p><span>聯系人：</span>劉女士</p><p><span>郵箱: </span>2915617376@qq.com</p><p><span>電話: </span>15050106096</p><p><span>傳真: </span>159_</p><p><span>網址: </span></p><p><span>手機: </span>159-6221</p><p><span>地址: </span>蘇州市勞動路28號808室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="2wymwqm" class="page-proshow02"><p class="title">詳細說明</p><div id="u8oams8" class="box"><p><p style="text-indent:25px">廢膠片中回收銀昆明貴金屬研究所使用稀liusuan液洗脫彩片上含銀乳劑層，氯鹽加熱沉淀鹵化銀，氯化培燒或有機溶劑洗滌除有機物，堿性介質用糖類固體懸浮還原得純銀。銀純度99.9%，直收率98%。此法已申請專利。物資再生利用研究所（原內貿部物資再生利用研究所）采用硫代liusuan鈉溶液溶解廢膠片上的鹵化銀，溶解過程中加入yizhi劑阻止膠片上明膠的溶解，溶解液經電解回收銀，片基回收利用。銀浸出率>99%，回收率98%，銀純度99.9%，此法已應用于工業(yè)生產，廣東硝酸鈀回收價錢。 [4] 從廢定影液中回收銀感光材料經過曝光、顯影、定影之后，黑白片上約有70-80%的銀進入定影液中，彩**的銀幾乎全部進入定影液。從廢定影液中回收銀、在國內外均得到高度重視，進行了大量的研究工作，采用的回收方法為離子沉淀法，廣東硝酸鈀回收價錢、電解法、金屬置換法、yaowu還原法、離子交換法等，廣東硝酸鈀回收價錢。電解法的優(yōu)點是提銀后的定影液可返回作定影使用。大陸較大的電影制片廠均使用此法的回收銀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東硝酸鈀回收價錢" src="http://tyunfile.71360.com/WaterMark/UploadFile/szdcgjs/637145995841484375/5275823.jpg"></div><p> 結果與討論 </p> <p> 1、靜態(tài)吸附鈀的比較好條件 </p> <p> 按上述分析了粉粒狀和纖維狀聚酰胺樹脂在不同介質中對1毫克/升鈀(取50毫升)的吸附情況，結果見表1?？梢钥闯?，聚酰胺樹脂在王水和鹽酸介質中對鈀的吸附能力較強，其它介質中吸附能力很低，說明鈀可能是以二階氯化鈀陰離子形式被質子化的聚酰胺所吸附的，本實驗選擇鹽酸為吸附介質。在1毫克/升鈀（取50毫升）溶液中鹽酸濃度對吸附率影響見表2?？梢?，粉粒狀聚酰胺樹脂在0.001-2.5摩爾/升鹽酸介質中，泡塑纖維狀聚酰胺樹脂在0.001-2.0摩爾/升鹽酸介質中對鈀均可定量吸附，酸度大于2.5摩爾/升時樹脂因溶解損失導致吸附率下降，這邊選擇1.0摩爾/升鹽酸為比較好吸附介質。在此介質中聚酰胺樹脂吸附鈀需要的時間見表3，可以看出，粉粒狀聚酰胺吸附30分鐘，纖維狀聚酰胺吸附20分鐘以后即可達到吸附平衡。這邊選擇30分鐘為各樹脂的比較好吸附時間，同時看出纖維狀聚酰胺吸附鈀的性能略優(yōu)于粉粒狀樹脂，這是由于粉粒狀樹脂在振蕩時易粘附于瓶壁，阻礙了與溶液的進一步接觸，為了操作簡便，靜態(tài)吸附實驗選用纖維狀樹脂。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東硝酸鈀回收價錢" src="http://tyunfile.71360.com/WaterMark/UploadFile/szdcgjs/637145995167158203/1220944.jpg"></div><p> 鉑族元素具有許多優(yōu)良的性能，被很多地應用于石油、化工、電子、儀器儀表，隨著科學技術的發(fā)展，其應用范圍越來越很多。鉑族元素在地殼的含量極少，鈀在地殼中含量稀少，產量有限，價格昂貴。因而各種準確的測定方法都建立在適當的分離富集方法之上，常采用火試金、溶劑萃取、離子交換和吸附分離法。聚酰胺是1928年由杜邦公司研制的很多用于機械業(yè)的一種塑料纖維，又名尼龍或錦綸，價格低廉，已成功地用于金、銀、鉻、汞等元素的富集分離，但用于鈀的分離富集報道較少。在鹽酸或王水介質中，它對鈀(II)有很強的吸附能力，且該樹脂可改性成泡塑狀纖維，改性后的樹脂在合適條件下對鈀的吸附性能更好，使用也更為方便。這邊分析聚酰胺、改性聚酰胺樹脂對微量鈀的比較好吸附分離和解脫條件，結合原子吸收光度法測定，建立了一個可用于礦石中微量鈀的富集分離和測定的方法，應用于實際樣品分析結果符合要求。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東硝酸鈀回收價錢" src="http://tyunfile.71360.com/WaterMark/UploadFile/szdcgjs/637145995658652344/7261229.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/104170.html</p></div></div></div></div></div><div id="mccmy0c" class="page-right twoColRt"><div id="o6mqksw" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="i0cwqm0" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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