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style="font-family:宋體">片堿是燒堿的一種</span><span style="font-family:Times New Roman">,</span><span style="font-family:宋體">化學(xué)名氫氧化鈉</span><span style="font-family:Times New Roman">,</span><span style="font-family:宋體">又稱(chēng)火堿，易溶于水?？勺魉嶂泻蛣?、配合掩蔽劑、沉淀劑、沉淀掩蔽劑、顯色劑、皂化劑、去皮劑、洗滌劑等。</span></span></p><p style="text-indent:37px;text-autospace:ideograph-numeric"><span style=";font-family:宋體;font-size:19px">常見(jiàn)用途如下：</span></p><p style="text-indent:37px;text-autospace:ideograph-numeric"><span style=";font-family:宋體;font-size:19px"><span style="font-family:Times New Roman">1</span><span style="font-family:宋體">、造紙：造紙的原料是木材或草類(lèi)植物，這些植物里除含纖維素外，還含有相當多的非纖維素（木質(zhì)素、樹(shù)膠等）。片堿用于脫木素，只有脫除了木材中的木質(zhì)素，才能得到纖維。加入稀的片堿溶液可將非纖維素成分溶解而分離，從而制得以纖維素為主要成分的紙漿。</span></span></p><p style="text-indent:37px;text-autospace:ideograph-numeric"><span style=";font-family:宋體;font-size:19px"><span style="font-family:Times New Roman">2</span><span style="font-family:宋體">、精煉石油：石油產(chǎn)品經(jīng)硫酸洗滌后，還含有一些酸性物質(zhì)必須用片堿溶液洗滌，再經(jīng)水洗，才能得到精制產(chǎn)品。</span></span></p><p style="text-indent:37px;text-autospace:ideograph-numeric"><span style=";font-family:宋體;font-size:19px"><span style="font-family:Times New Roman">3</span><span style="font-family:宋體">、紡織：棉、麻紡織物用濃氫氧化鈉（片堿）溶液處理以改善纖維性能。人造纖維如人造棉、人造毛、人造絲等，大都是粘膠纖維，它們是用纖維素（如紙漿）、片堿、二硫化碳（</span><span style="font-family:Times New Roman">CS2</span><span style="font-family:宋體">）為原料，制成粘膠液、經(jīng)噴絲、凝結而制得。</span></span></p><p style="text-indent:37px;text-autospace:ideograph-numeric"><span style=";font-family:宋體;font-size:19px"><span style="font-family:Times New Roman">4</span><span style="font-family:宋體">、印染：棉織品用片堿溶液處理后，能除去覆蓋在棉織品上的臘質(zhì)、油脂、淀粉等物質(zhì)，同時(shí)能增加織物的絲光色澤，使染色更均勻。</span></span></p><p style="text-indent:37px;text-autospace:ideograph-numeric"><span style=";font-family:宋體;font-size:19px"><span style="font-family:Times New Roman">5</span><span style="font-family:宋體">、化學(xué)工業(yè)：制金屬鈉、電解水都要用片堿。許多無(wú)機鹽的生產(chǎn)，特別是制備一些鈉鹽（如硼砂、硅酸鈉、磷酸鈉、重鉻酸鈉、亞硫酸鈉等等）都要用到片堿。合成染料、藥物以及有機中間體等也要用到片堿。</span></span></p> </section> <div id="tzpt5rt" class='met-page p-y-30 border-top1'> <div id="9xj95lx" class="container p-t-30 "> <ul class="pagination block blocks-2 text-xs-center text-sm-left"> <li id="3xp5tfr" class='page-item m-b-0 '> <a href='../news/shownews.php?id=40' title="氧化性殺菌劑四川成都次氯酸鈉用途有哪些？是危險品嗎" class='page-link text-truncate'> 上一篇 <span aria-hidden="true" class='hidden-xs-down'>: 氧化性殺菌劑四川成都次氯酸鈉用途有哪些？是危險品嗎</span> </a> </li> <li id="rrl5lvf" class='page-item m-b-0 '> <a href='../news/shownews.php?id=38' title="片堿最為重要的工業(yè)原料。在生產(chǎn)中用途有哪些？" class='page-link pull-xs-right text-truncate'> 下一篇 <span aria-hidden="true" class='hidden-xs-down'>: 片堿最為重要的工業(yè)原料。在生產(chǎn)中用途有哪些？</span> </a> </li> </ul> </div> </div> </div> </div> <div id="lfxdpht" class="col-md-3"> <div id="ldr9v9r" class="row m0"> <aside class="sidebar_met_16_1_21 met-sidebar 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