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class="proBig"><div id="cgn2g7n" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/bbjchg/2020/1/637136804911199700/6371368049111997003719734.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tn2uqci" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/bbjchg/2020/1/637136804911199700/6371368049111997003719734.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="88vct3v" 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>安徽省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>淮南硫代硫酸鈉生產(chǎn)廠家,硫酸鈉</p><p><span>***更新：</span>2020-06-30 21:18:24</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="vp4ta7c" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蚌埠市精誠(chéng)化工有限責(zé)任公司</a></p><p><span>聯(lián)系人：</span>彭磊</p><p><span>郵箱: </span>53379557@qq.com</p><p><span>電話: </span>18955228184</p><p><span>傳真: </span>0552_3089079</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0552-3089079</p><p><span>地址: </span>安徽省蚌埠市鳳陽東路616號(hào)（原為618號(hào)）</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="2izlceq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="us4qxjk" class="box"><p><p> 1、配制稱取26g硫代***鈉（Na2S2O3·5H2O）（或無水硫代***鈉16g），溶于1000ml純水中，緩緩煮沸10分鐘，冷卻，淮南硫代硫酸鈉生產(chǎn)廠家，放置兩周后濾過備用。2.標(biāo)定（1）標(biāo)定方法稱取在120℃干燥至恒重的基準(zhǔn)重鉻酸鉀，稱準(zhǔn)至，置于碘量瓶中，加水25ml使溶解，加碘化鉀，淮南硫代硫酸鈉生產(chǎn)廠家，輕輕振搖使溶解，淮南硫代硫酸鈉生產(chǎn)廠家，加20%***20ml，搖勻，密塞；在暗處放置10分鐘后，加水150ml稀釋，用配制好的硫代***鈉滴定液()滴定，至近終點(diǎn)時(shí)，加淀粉指示液3ml（5g/L），繼續(xù)滴定至藍(lán)色消失而顯亮綠色，同時(shí)作空白實(shí)驗(yàn)。（2）計(jì)算：m————重鉻酸鉀g；c（Na2S2O3）——硫代***鈉標(biāo)準(zhǔn)溶液的量濃度，mol/L；V1————滴定時(shí)硫代***鈉標(biāo)準(zhǔn)溶液的用量ml；V2————空白滴定時(shí)硫代***鈉標(biāo)準(zhǔn)溶液的用量ml；——與（）硫代***鈉標(biāo)準(zhǔn)溶液相當(dāng)?shù)囊钥吮硎镜闹劂t酸鉀的質(zhì)量。反應(yīng)式為:K2Cr2O4+6KI+7H2SO4====3I2+7H20+4K2SO4+Cr2(SO4)3I2+2Na2S2O3====2NaI+Na2S4O6副反應(yīng)有:Na2S2O3+H2O+CO2====NaHCO3+NaHSO3+S(1)Na2S2O3====Na2SO3+S(2)S2O32-+2H+====S+SO2+H20(3)2Na2S2O3+O2====2Na2SO4+2S(4)配制過程中，使用新煮沸放冷的水或進(jìn)行加熱，一方面***（嗜硫菌），避免副反應(yīng)(2)；另一方面去除CO2，避免副反應(yīng)(1)加碳酸鈉，使溶液呈弱堿性。無水***鈉，俗稱元明粉，是非常常見的粉末型礦產(chǎn)無機(jī)化學(xué)原料。淮南硫代硫酸鈉生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮南硫代硫酸鈉生產(chǎn)廠家,硫酸鈉" src="http://tyunfile.71360.com/UpLoadFile/bbjchg/2020/1/637136804911199700/6371368049111997003719734.jpg"></div><p style="text-indent:25px">新型清洗劑無害。碳?xì)淝逑磩┚哂袩o害的特點(diǎn)是通過毒理試驗(yàn)得出的。將碳?xì)淝逑磩┑奈攵拘浴⒔?jīng)口毒性和皮膚接觸毒性均為低毒，且不屬于致*物質(zhì)，與汽油相比對(duì)清洗操作人員更安全，這是碳?xì)淝逑磩┛梢宰鳛榍逑磩┨娲偷闹匾?。不破壞環(huán)境。碳?xì)淝逑磩┲胁缓?，?duì)臭氧破壞系數(shù)為零。碳?xì)淝逑磩┛梢宰匀唤到猓逑磸U液可以放入燃煤或燃油鍋爐中焚燒，焚燒生成物主要為CO2和水，對(duì)空氣沒有污染。具有價(jià)格優(yōu)勢(shì)。與汽油相比，碳?xì)淝逑磩┑姆悬c(diǎn)高，閃點(diǎn)低，且安全可靠。作為金屬清洗劑的一種，盡管碳?xì)淝逑磩┯兄T多優(yōu)點(diǎn)，但是還是存在一定的缺點(diǎn)的。比如，較高的沸點(diǎn)可以減少清洗劑在儲(chǔ)存、運(yùn)輸和使用過程中的揮發(fā)損耗，但也使清洗后工件的干燥速度**降低，使清洗劑的蒸餾再生變得困難。較低的閃點(diǎn)則提高了清洗、干燥和蒸餾再生中的防火要求。蚌埠工業(yè)級(jí)硫酸鈉廠家硅酸鈉水玻璃其中一種制取方法就是使用元明粉加二氧化硅法制取。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮南硫代硫酸鈉生產(chǎn)廠家,硫酸鈉" src="http://tyunfile.71360.com/UpLoadFile/2019/9/5/16/637032973760385244_bbjchg_6697973.png"></div><p style="text-indent:25px">用骨膠時(shí)，不需添加任何輔助材料，只需先用體積相等或略多的水將骨膠浸泡10小時(shí)左右，使膠塊變軟，然后加熱至75℃左右，使其成為膠液即可使用。膠與水的比例應(yīng)根據(jù)所需黏度而定，如水多黏度低而?。杭铀兖ざ染透叨怼崮z時(shí)膠溫不宜過高，溫度超過100℃則會(huì)因分子降解而使黏度下降，膠老化變質(zhì)。骨膠在使用中有微量沉淀，所以要邊用邊加水井進(jìn)行必要的攪拌，以調(diào)節(jié)黏度和流動(dòng)性。熱膠時(shí)必須采用浴熱方法，決不可用儲(chǔ)存膠的容器直接加熱。骨膠要保持在一定溫度條件下才可使用，因此，當(dāng)使用中需加水時(shí)，加入的水與膠體溫度應(yīng)基本相同，不可加入冷水。因?yàn)楣悄z要保持一定溫度(75℃±10℃)，加入冷水后膠水的溫度驟降會(huì)出現(xiàn)凝條塊狀，而影響?zhàn)そY(jié)效果。使用骨膠時(shí)涂膠速度要快、均勻，不要一次蘸膠過多造成膠層不平、滲透聯(lián)粘漏膠等問題。</p><p style="text-indent:25px">新型清洗劑的優(yōu)勢(shì)：新型清洗劑可徹底揮發(fā)無殘跡。新型清洗劑徹底揮發(fā)無殘跡主要表現(xiàn)在可以完全揮發(fā)，不論是在常溫狀態(tài)還是加溫狀態(tài)，沒有任何殘留。原因是碳?xì)淝逑磩┦欠浅＜儍舻木迫軇@是可以作為替代汽油的清洗劑的原因之一。蒸發(fā)損失小。蒸發(fā)損失小主要表現(xiàn)在碳?xì)淝逑磩?duì)包裝物和設(shè)備的密封要求很低，并且在使用以及保管過程中揮發(fā)損失要比沸點(diǎn)在40-80℃的鹵代烴小很多。原因是碳?xì)淝逑磩┓悬c(diǎn)一般在150℃以上。蚌埠精誠(chéng)化工在化工企業(yè)中，有許多廢水是含較高濃度的***鈉廢水。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮南硫代硫酸鈉生產(chǎn)廠家,硫酸鈉" src="http://tyunfile.71360.com/UpLoadFile/2019/9/5/16/637032973922874465_bbjchg_4710649.png"></div><p> 3）工藝能耗冷凍機(jī)組功率消耗：440Kw/h其他設(shè)備功率消耗（不含離心機(jī)功率）：80Kw/h。電費(fèi)按：312元/小時(shí)，約合處理每立方水的成本為：。（4）結(jié)晶器設(shè)備投資結(jié)晶器主體設(shè)備投資318萬元（不含安裝、離心機(jī)及膜處理部分）2、多效強(qiáng)制循環(huán)蒸發(fā)工藝（1）工藝流程采用四效強(qiáng)制循環(huán)蒸發(fā)結(jié)晶工藝，順流操作，即溶液流向?yàn)椋涸弦骸恍ААА男А鷿饪s液排出。生蒸汽則首先進(jìn)入一效蒸發(fā)器加熱室的殼程，冷凝水回鍋爐，一效蒸發(fā)器蒸發(fā)出的二次蒸汽則進(jìn)入二效蒸發(fā)器的殼程作為二效加熱室的加熱蒸汽，冷凝后冷凝水進(jìn)入三效加熱室閃蒸；二效蒸發(fā)器蒸發(fā)出的二次蒸汽作為三效蒸發(fā)器的加熱蒸汽，冷凝水進(jìn)入三效加熱室閃蒸；三效蒸發(fā)器蒸發(fā)出的二次蒸汽作為四效蒸發(fā)器的加熱蒸汽，冷凝水進(jìn)入四效加熱室閃蒸；四效的乏汽由間接冷凝器冷凝，不凝氣體由真空泵排出。通過本多效蒸發(fā)結(jié)晶工藝，可分別得到***鈉與蒸發(fā)出的冷凝水。（2）工藝特點(diǎn)1）傳熱效率高、操作彈性大、運(yùn)轉(zhuǎn)可靠。2）采用真空操作，蒸發(fā)溫度低并有效降低設(shè)備腐蝕。3）小溫差循環(huán)操作，換熱管不易結(jié)垢，操作周期長(zhǎng)。4）采用強(qiáng)制循環(huán)蒸發(fā)，通過增大循環(huán)量進(jìn)而提升換熱器內(nèi)的管內(nèi)流速。***制品：可代替甘油作煙絲的加香、防凍保濕劑。蚌埠工業(yè)級(jí)硫酸鈉廠家電話</p><p style="text-indent:25px">可防止棉布纖維局部氧化而影響纖維強(qiáng)度，并提高煮煉物的白度。感光工業(yè)用作顯影劑?；茨狭虼蛩徕c生產(chǎn)廠家</p><p style="text-indent:25px">——食用酒精不再是“高度白酒”。<br/> 在酒精的定義里，食用酒精稱為“發(fā)酵型蒸餾酒”。就是說，食用酒精其實(shí)就是高度白酒。但是，我們生產(chǎn)的酒精，早就有了本質(zhì)的改變，不再是“高度白酒”的概念，而是真正意義上的酒精了，材料里沒了谷物。<br/> 酒精二：?jiǎn)栴}出在怎么用上<br/> ——旺盛的市場(chǎng)需求給白酒生產(chǎn)打了雞血。<br/> 這個(gè)時(shí)期，人們解決了肚子問題，腰包也有點(diǎn)錢了，開始追求生活質(zhì)量。首要標(biāo)志就是酒，白酒的需求因?yàn)槿笤颍艿綇?qiáng)烈刺激，市場(chǎng)因此猛然爆發(fā)：<br/> ●新工藝白酒退場(chǎng)留下的巨大市場(chǎng)空洞；<br/> ●三精一水勾兌酒的巨大利潤(rùn)空間。<br/> 再加上名酒漲價(jià)，買不起也不愿買，大眾白酒形成極度的旺銷。譬如河南各地都有“一年喝倒一個(gè)牌子”的現(xiàn)象，就是這個(gè)時(shí)候出現(xiàn)的。這些被喝倒的牌子，都是當(dāng)時(shí)市場(chǎng)價(jià)格在10-20元的主流白酒。這種形勢(shì)，催生了一個(gè)黑色產(chǎn)業(yè)，就是造假酒。——低門檻的暴利導(dǎo)致了造假亂象。<br/> 淮南硫代硫酸鈉生產(chǎn)廠家</p><p style="text-indent:25px">行路致遠(yuǎn)，砥礪前行。蚌埠市精誠(chéng)化工有限責(zé)任公司致力成為與您共贏、共生、共同前行的戰(zhàn)略伙伴，更矢志成為化工富有影響力的企業(yè)，與您一起飛躍，共同成功！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/451329.html</p></div></div></div></div></div><div id="yixjvct" 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