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href="http://www.cdcfah.com/"><img src="/static/new_net_01/images/logo.png" alt="找產(chǎn)品網(wǎng)"></a></span><span id="gqjmca3" class="tigs"> 發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務平臺 </span><div id="c8lgy4s" class="searchbox"><div id="yadauiv" class="searchLt"><div id="2tskmq8" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="aovx3nz" class="clearfix searchWrap"><div id="nwt3i8b" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="tce7ptx" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="v8eqxbc" class="twoCol"><div id="zzt82yk" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_huagong/">化工</a>?<a href="http://www.cdcfah.com/cp/second-huagong_wujiyan/">無機鹽</a>?<a href="http://www.cdcfah.com/cp/third-wujiyan_qtwjy/">其他無機鹽</a>?揚州巴斯夫1-2丙二胺價位多少上海蔚云化工供應</p><div id="smovnzg" class="leftbox clearfix"><h1>揚州巴斯夫1-2丙二胺價位多少上海蔚云化工供應</h1><div id="qz37os7" class="proBig"><div id="2qnur28" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shweiyun/637389623591490601/9763647.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bmoaco8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shweiyun/637389623591490601/9763647.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="go7hmov" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>揚州巴斯夫1-2丙二胺價位多少,巴斯夫1-2丙二胺</p><p><span>***更新：</span>2020-11-15 04:21:25</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="fjnu38v" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海蔚云化工有限公司</a></p><p><span>聯(lián)系人：</span>盛志華</p><p><span>郵箱: </span>3273929241@qq.com</p><p><span>電話: </span>18721726651</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.weiyunhuagong.com</p><p><span>手機: </span>021-52909928</p><p><span>地址: </span>靜安區(qū)靈石路709號55幢A2113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="zif7kmy" class="page-proshow02"><p class="title">詳細說明</p><div id="7cjgdpy" class="box"><p><p style="text-indent:25px">1，2丙二胺性狀：無色液體，有氨的氣味，有吸濕性。熔點（℃）：-37.2；沸點（℃）：119.5；相對密度（水=1）：0.87；相對蒸氣密度（空氣=1）：2.5；飽和蒸氣壓（kPa）：1.07（20℃）；燃燒熱（kJ/mol）：-2511.9；臨界溫度（℃）：316.2；臨界壓力（MPa）：5，揚州巴斯夫1-2丙二胺價位多少.27；辛醇/水分配系數(shù)：-1.200；閃點（℃）：33（OC）；引燃溫度（℃）：360；上限（%）：16.9；下限（%）：1.9；溶解性：易溶于水，溶于**、苯、氯仿和乙醇等。折射率（20oC）：1.4460；黏度（mPa·s,20oC）：1.70；比旋光度（o）：[α]+29.78°。電導率（S/m,25oC）：10-8~10-10；pKa（30oC）：7.07。體膨脹系數(shù)（K-1,20oC）：0.00107，揚州巴斯夫1-2丙二胺價位多少。1，揚州巴斯夫1-2丙二胺價位多少，2-丙二胺為二級易燃品,可用玻璃瓶包裝。揚州巴斯夫1-2丙二胺價位多少</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚州巴斯夫1-2丙二胺價位多少,巴斯夫1-2丙二胺" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389623591490601/9763647.png"></div><p style="text-indent:25px">1，2丙二胺毒理學資料及環(huán)境行為急性毒性：LD502230mg/kg(大鼠經(jīng)口)；500mg/kg(兔經(jīng)皮)危險特性：遇明火、高熱或與氧化劑接觸，有引起燃燒的危險。受熱分解放出有毒的氧化氮煙氣。若遇高熱，容器內(nèi)壓增大，有開裂和的危險。燃燒(分解)產(chǎn)物：一氧化碳、二氧化碳、氧化氮。侵入途徑：吸入、食入、經(jīng)皮吸收。健康危害：本品對粘膜、上呼吸道、眼和皮膚有強烈的刺激性。吸入后可因喉及支氣管的痙攣、炎癥、水腫，化學性肺炎或肺水腫而致死。較長時間接觸對皮膚有強烈刺激性或引起灼傷。揚州巴斯夫1-2丙二胺價位多少1，2丙二胺能腐蝕銅及其合金。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚州巴斯夫1-2丙二胺價位多少,巴斯夫1-2丙二胺" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389623001002310/8118628.png"></div><p style="text-indent:25px">1,2—丙二胺—亞硝酸鹽體系中鉻的催化極譜測定：在0.1M亞硝酸鈉,1.5×10-3M的1,2-丙二胺,pH9.0—9.5底液中鉻在—1.76伏處（對飽和甘汞電極）產(chǎn)生-催化波,測定范圍在0.1ng/ml內(nèi),鉻的濃度與導數(shù)波高成良好線性關(guān)系,測定下限為8×10-10M（相當于0.04ng/ml）。經(jīng)實驗證明,在1,2-丙二胺-亞硝酸鹽或硝酸鹽兩體系中,鉻都在—1.76伏處產(chǎn)生催化波,因此,可認為鉻的催化機理可能與文獻[3]報道的在CyDTA-NO3體系中三價鉻產(chǎn)生催化波的機理相似即: Cr6++3e—→Cr3+; Cr3++y—→Cr3+—y; Cr2+—y+e—→C2+—y; Cr2+—y+NO3—→Cr3+—y+No2-其中:y**1,2-丙二胺。將自來水進行簡單的前處理后,可以直接應用本法測定水中六價、三價鉻的含量以及水中的總鉻量。</p><p style="text-indent:25px">根據(jù)原料不同，丙二胺的生產(chǎn)方法可分為二種。一種是以環(huán)氧丙烷、1，2-丙二醇、異丙醇氨、1，3-丙二醇、丙烯醛、丙烯腈為原料，與氨反應，或先與氨反應，然后加氫，此法優(yōu)點是流程簡單，無污染，投資少，能耗低，催化劑價格昂貴。另一種方法是1，2-二氯丙烷氨解法。生產(chǎn)過程簡述如下：將1，2二氯丙烷與液氨加入防腐的釜式反應器中，通過冷卻使反應溫度控制在160℃左右，反應結(jié)束，將物料送至中和器用氫氧化鈉溶液中和物料中的氯化氫。由于丙二胺與水不共沸，可以精餾分離得到98%以上丙二胺。1，2-丙二胺儲存于陰涼、干燥、通風良好的庫房。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚州巴斯夫1-2丙二胺價位多少,巴斯夫1-2丙二胺" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389623255543418/8342484.png"></div><p style="text-indent:25px">1，2丙二胺用于生產(chǎn)選礦藥劑、金屬鈍化劑、舫空用樹脂固化劑、橡膠硫化促進劑,還用于染料、電鍍和分析試劑(汞、銅和銀的檢定)。醫(yī)藥工業(yè)中用于生產(chǎn)1,2-丙二胺四乙酸,作為抗ai藥丙亞胺的中間體。本品用作航空用樹脂固化劑、橡膠硫化促進劑以及選礦藥劑、金屬鈍化劑,也用于染料、電鍍等方面的制造原料,本品還用作分析試劑。用作硝酸纖維素、涂料、植物油和松香等的溶劑。用作航空用樹脂固化劑、橡膠硫化促進劑以及選礦藥劑、金屬鈍化劑,也用于染料、電鍍、分析試劑等方面。.用作橡膠促進劑、添加劑、溶劑、分析試劑,以及用于染料、藥物等的制造。1，2丙二胺用于染料、電鍍和分析試劑(汞、銅和銀的檢定)。揚州巴斯夫1-2丙二胺價位多少</p><p style="text-indent:25px">丙二胺是由1,2-二氯丙烷在乙醇溶液中與氨加熱制備的，故常混有其他胺和水等雜質(zhì)。揚州巴斯夫1-2丙二胺價位多少</p><p style="text-indent:25px">氣相色譜法測定維生素K_1注射劑中1,2-丙二醇的含量：目的建立GC法測定維生素K1注射劑中1,2-丙二醇的含量.方法采用Agilent DB-WAX氣相毛細管柱(0.32mm×30 m,0.25μm),FID檢測器,程序升溫:80℃維持1 min,再以10℃min-1升溫至230℃維持4 min,進樣口溫度:230℃,檢測器溫度:250℃.結(jié)果維生素K1注射劑中1,2-丙二醇在0.102 5~4.099 8 mg mL-1與峰面積呈良好線性關(guān)系(r=0.999 9),平均回收率為97.5%,RSD為0.40%(n=9).結(jié)論本方法準確度高,重現(xiàn)性好,可用于維生素K1注射劑中1,2-丙二醇含量的測定。揚州巴斯夫1-2丙二胺價位多少</p><p style="text-indent:25px">上海蔚云化工有限公司一直專注于化工產(chǎn)品（除危險化學品、監(jiān)控化學品、煙花爆竹、民用物品、易制毒化學品）、化工機械設備及配件的銷售，在化工技術(shù)領域內(nèi)從事技術(shù)開發(fā)、技術(shù)轉(zhuǎn)讓、技術(shù)服務、技術(shù)咨詢?！疽婪毥?jīng)批準的項目，經(jīng)相關(guān)部門批準后方可開展經(jīng)營活動】，是一家化工的企業(yè)，擁有自己**的技術(shù)體系。公司目前擁有較多的高技術(shù)人才，以不斷增強企業(yè)重點競爭力，加快企業(yè)技術(shù)創(chuàng)新，實現(xiàn)穩(wěn)健生產(chǎn)經(jīng)營。誠實、守信是對企業(yè)的經(jīng)營要求，也是我們做人的基本準則。公司致力于打造***的環(huán)戊酮，甲基異丙基酮，丙二胺，二甘醇胺。公司憑著雄厚的技術(shù)力量、飽滿的工作態(tài)度、扎實的工作作風、良好的職業(yè)道德，樹立了良好的環(huán)戊酮，甲基異丙基酮，丙二胺，二甘醇胺形象，贏得了社會各界的信任和認可。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1996041.html</p></div></div></div></div></div><div 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