徐州巴斯夫1-2丙二胺批發(fā)哪家好上海蔚云化工供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="1，2丙二胺易燃，遇明火、高熱或與氧化劑接觸，有引起燃燒的危險；受熱分解釋放出有毒的氧化氮煙氣；能腐蝕銅及其合金。健康危害：本品對薪膜、上呼吸道、眼睛和皮膚有強烈刺激性。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"><meta name="keywords" content="徐州巴斯夫1-2丙二胺批發(fā)哪家好,巴斯夫1-2丙二胺"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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clearfix"><h1>徐州巴斯夫1-2丙二胺批發(fā)哪家好上海蔚云化工供應(yīng)</h1><div id="ae2axk4" class="proBig"><div id="edv3khl" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shweiyun/637389623437310972/6876389.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="z2kvc8x" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shweiyun/637389623437310972/6876389.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="apby2uw" 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>徐州巴斯夫1-2丙二胺批發(fā)哪家好,巴斯夫1-2丙二胺</p><p><span>***更新：</span>2021-01-03 02:16:59</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="fpm8xed" 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="tnfhj3f" class="page-proshow02"><p class="title">詳細說明</p><div id="lfi32zl" class="box"><p><p style="text-indent:25px">1，2丙二胺易燃，遇明火、高熱或與氧化劑接觸，有引起燃燒的危險；受熱分解釋放出有毒的氧化氮煙氣；能腐蝕銅及其合金。健康危害：本品對薪膜、上呼吸道、眼睛和皮膚有強烈刺激性。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。防護措施：呼吸系統(tǒng)防護：可能接觸其蒸氣時，應(yīng)該佩戴自吸過濾式防毒面具(多方面罩)。眼睛防護：呼吸系統(tǒng)防護中已作防護。身體防護：穿橡膠耐酸堿服。防護：戴橡膠耐油手套。其他防護：工作現(xiàn)場禁止吸煙，徐州巴斯夫1-2丙二胺批發(fā)哪家好、進食和飲水。工作完畢，淋浴更衣。實行就業(yè)前和定期的體檢。危險性類別：易燃液體，類別3；皮膚腐蝕/刺激，徐州巴斯夫1-2丙二胺批發(fā)哪家好，類別1A；嚴重眼損傷/眼刺激，類別1，徐州巴斯夫1-2丙二胺批發(fā)哪家好。1，2丙二胺用作硝酸纖維素、涂料、植物油和松香等的溶劑。徐州巴斯夫1-2丙二胺批發(fā)哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州巴斯夫1-2丙二胺批發(fā)哪家好,巴斯夫1-2丙二胺" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389623437310972/6876389.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(yīng)用本法測定水中六價、三價鉻的含量以及水中的總鉻量。金華巴斯夫1-2丙二胺咨詢電話1,2-二氯丙烷也*以較低價格作為溶劑銷售。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州巴斯夫1-2丙二胺批發(fā)哪家好,巴斯夫1-2丙二胺" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389623313355869/4731284.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。</p><p style="text-indent:25px">1，2丙二胺泄露應(yīng)急處理：作業(yè)人員防護措施、防護裝備和應(yīng)急處置程序：建議應(yīng)急處理人員戴攜氣式呼吸器，穿防靜電服，戴橡膠耐油手套。禁止接觸或跨越泄漏物。作業(yè)時使用的所有設(shè)備應(yīng)接地。盡可能切斷泄漏源。消除所有點火源。根據(jù)液體流動、蒸汽或粉塵擴散的影響區(qū)域劃定警戒區(qū)，無關(guān)人員從側(cè)風、上風向撤離至安全區(qū)。環(huán)境保護措施：收容泄漏物，避免污染環(huán)境。防止泄漏物進入下水道、地表水和地下水。泄漏化學品的收容、去除方法及所使用的處置材料：小量泄漏：盡可能將泄漏液體收集在可密閉的容器中。用沙土、活性炭或其它惰性材料吸收，并轉(zhuǎn)移至安全場所。禁止沖入下水道。大量泄漏：構(gòu)筑圍堤或挖坑收容。封閉排水管道。用泡沫覆蓋，控制蒸發(fā)。用防爆泵轉(zhuǎn)移至槽車或**收集器內(nèi)，回收或運至廢物處理場所處置。1，2-丙二胺采用防爆型照明、通風設(shè)施。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州巴斯夫1-2丙二胺批發(fā)哪家好,巴斯夫1-2丙二胺" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389623358963194/4103218.png"></div><p style="text-indent:25px">1，2丙二胺用作環(huán)氧樹脂固化劑，參考用量5～10質(zhì)量份，固化條件60℃/4h+120℃/1h，固化物熱變形溫度78～94℃。還可用作無氰電鍍添加劑、皮革及纖維處理劑，也是制取農(nóng)藥、染料、離子交換樹脂等的中間體。與椰油酯、油酸甲酯及硬脂酸甲酯等反應(yīng)，可制得相應(yīng)的烷基酰胺丙基甜菜堿類產(chǎn)品，用于織物柔軟整理及民用清洗劑。用于有機合成，用作環(huán)氧樹脂固化劑。生產(chǎn)設(shè)備應(yīng)密閉，防止跑、冒、滴、漏。操作人員應(yīng)穿戴防護用具，避免直接接觸。濺及皮膚、眼、鼻，應(yīng)用水或２％硼酸溶液沖洗，并涂以硼酸軟膏。吸入蒸氣時應(yīng)移至新鮮空氣處作深呼吸，嚴重時請醫(yī)生***。1，2丙二胺其他防護：工作現(xiàn)場禁止吸煙、進食和飲水。徐州巴斯夫1-2丙二胺批發(fā)哪家好</p><p style="text-indent:25px">1，2-丙二胺可用汽車槽車運輸。徐州巴斯夫1-2丙二胺批發(fā)哪家好</p><p style="text-indent:25px">1,2-丙二胺是一種化學物品，分子式是C3H10N2。用于有機合成、制藥及合成染料，并用作溶纖劑、橡膠硫化促進劑等。具有強堿性和強吸濕性，與空氣接觸產(chǎn)生白色煙霧。易溶于水、乙醇和氯仿，不溶于**和苯。由1,2-二氯丙烷與液氨進行氨化制得。將1,2-二氯丙烷和25%的氨水分別加入反應(yīng)器中,控制溫度在150℃左右,壓力保持在2.45MPa。氨化反應(yīng)結(jié)書后,將反應(yīng)液脫氨,加氫氧化鈉中和至堿性,經(jīng)濃縮、脫鹽、進行精餾,切取112℃以上餾分為成品,收率65-70%。精制方法: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?；煊衅渌泛退入s質(zhì)。精制時用金屬鈉、無水硫酸鈣等脫水后進行減壓蒸餾。也可以用甲苯進行共沸蒸餾精制。徐州巴斯夫1-2丙二胺批發(fā)哪家好</p><p style="text-indent:25px">上海蔚云化工有限公司是一家化工產(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(shè)備及配件的銷售，在化工技術(shù)領(lǐng)域內(nèi)從事技術(shù)開發(fā)、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)、技術(shù)咨詢。【依法須經(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】的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。上海蔚云化工作為化工產(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(shè)備及配件的銷售，在化工技術(shù)領(lǐng)域內(nèi)從事技術(shù)開發(fā)、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)、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】的企業(yè)之一，為客戶提供良好的環(huán)戊酮，甲基異丙基酮，丙二胺，二甘醇胺。上海蔚云化工始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。上海蔚云化工始終關(guān)注自身，在風云變化的時代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使上海蔚云化工在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2678051.html</p></div></div></div></div></div><div id="uebnpon" class="page-right twoColRt"><div id="akmoq8b" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="uebtvz8" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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