海北州新型氮?dú)馊珖l(fā)貨歡迎來電海東市平安區(qū)永安氣體供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="常溫時(shí)氮?dú)馐?.36g/L，在標(biāo)準(zhǔn)情況下的氣體密度是1.25g·dm-3。氮?dú)?，化學(xué)式為N2，通常狀況下是一種無色無味的氣體，而且一般氮?dú)獗瓤諝饷芏刃?。氮?dú)庹即髿饪偭康?8.12%（體積分?jǐn)?shù)），是空氣的主要成份。在標(biāo)準(zhǔn)大氣壓下，冷卻至-19"><meta name="keywords" content="海北州新型氮?dú)馊珖l(fā)貨"><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 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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JC004/637263497578007813/3277810.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dseqmdf" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JC004/637263497578007813/3277810.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rlcjp87" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>青海省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>海北州新型氮?dú)馊珖l(fā)貨</p><p><span>***更新：</span>2020-06-02 16:06:37</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="bkbdkb3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">海東市平安區(qū)永安氣體有限公司</a></p><p><span>聯(lián)系人：</span>羅崇山</p><p><span>郵箱: </span>794819198@qq.com</p><p><span>電話: </span>15117121314</p><p><span>傳真: </span>0972_5925363</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0972-5925363</p><p><span>地址: </span>平安區(qū)古城鄉(xiāng)新莊爾村</p><p>[當(dāng)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="eykh8f4" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="i8uvwov" class="box"><p><p style="text-indent:25px">常溫時(shí)氮?dú)馐?.36g/L，在標(biāo)準(zhǔn)情況下的氣體密度是1.25g·dm-3。氮?dú)?，化學(xué)式為N2，通常狀況下是一種無色無味的氣體，而且一般氮?dú)獗瓤諝饷芏刃　５獨(dú)庹即髿饪偭康?8.12%（體積分?jǐn)?shù)），是空氣的主要成份。在標(biāo)準(zhǔn)大氣壓下，冷卻至-195.8℃時(shí)，變成沒有顏色的液體，冷卻至-209.8℃時(shí)，海北州新型氮?dú)馊珖l(fā)貨，液態(tài)氮變成雪狀的固體。氮?dú)獾幕瘜W(xué)性質(zhì)不活潑，常溫下很難跟其他物質(zhì)發(fā)生反應(yīng)，但在高溫、高能量條件下可與某些物質(zhì)發(fā)生化學(xué)變化，海北州新型氮?dú)馊珖l(fā)貨，海北州新型氮?dú)馊珖l(fā)貨，用來制取對(duì)人類有用的新物質(zhì)。理化特性：外觀與性狀：無色無臭氣體。溶解性：微溶于水、乙醇。主要用途：用于合成氨，制硝酸，用作物質(zhì)保護(hù)劑，冷凍劑。熔點(diǎn)(℃)：-209.8 相對(duì)密度(水=1)：0.81(-196℃) 沸點(diǎn)(℃)：-195.6 相對(duì)蒸氣密度(空氣=1)：0.97 臨界溫度(℃)：-147 臨界壓力(MPa)：3.40 飽和蒸氣壓(kPa)：1026.42(-173℃)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海北州新型氮?dú)馊珖l(fā)貨" src="https://tyunfile.71360.com/UploadFile/JC004/637263497578007813/3277810.jpg"></div><p style="text-indent:25px">只有在高溫高壓并有催化劑存在的條件下，氮?dú)獬煞挚梢院蜌錃夥磻?yīng)生成氨。同時(shí)，由于氮分子的化學(xué)結(jié)構(gòu)比較穩(wěn)定，氰根離子CN-和碳化鈣CaC2中的C22-和氮分子結(jié)構(gòu)相似。氮分子中存在氮氮叁鍵，鍵能很大（941 KJ/mol），以至于加熱到3273K時(shí)*有0.1%離解，氮分子是已知雙原子分子中**穩(wěn)定的。氮?dú)馐荂O的等電子體，在結(jié)構(gòu)和性質(zhì)上有許多相似之處。不同活性的金屬與氮?dú)獾姆磻?yīng)情況不同。與堿金屬在常溫下直接化合；與堿土金屬 —般需要在髙溫下化合；與其他族元素的單質(zhì)反應(yīng)則需要更高的反應(yīng)條件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海北州新型氮?dú)馊珖l(fā)貨" src="https://tyunfile.71360.com/UploadFile/JC004/637263497576162110/6776579.jpg"></div><p style="text-indent:25px">氮?dú)庠谑褂玫倪^程中還有一些注意事項(xiàng)，氮?dú)馐且环N無色、無味、不燃燒的儲(chǔ)存于氣瓶中的高壓氣體。當(dāng)其含量增加導(dǎo)致氧氣含量低于19.5%時(shí)有可能引起窒息。需配備自吸式呼吸面具。瓶裝氮?dú)猱a(chǎn)品為高壓充裝氣體，使用時(shí)應(yīng)經(jīng)減壓降壓后方可使用。包裝的氣瓶上均有使用的年限，凡到期的氣瓶必須送往有部門進(jìn)行檢驗(yàn)，方能繼續(xù)使用。每瓶氮?dú)庠谑褂玫轿矚鈺r(shí)，應(yīng)保留瓶內(nèi)余壓在0.5MPa，**小不得低于0.25MPa余壓，應(yīng)將瓶閥關(guān)閉，以保證氣體質(zhì)量和使用方法的準(zhǔn)確性。</p><div style="width:100%;text-align: center;"><img 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