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</a></p></div></div><div id="28b43a2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="oc3fho8" class="box"><p><p> 好初誤認(rèn)為是銻，后來發(fā)現(xiàn)它的性質(zhì)與銻不同，因而確定是一種新金屬元素。為了獲得其他人的證實(shí)，牟勒曾將少許樣品寄交瑞典化學(xué)家柏格曼，請(qǐng)他鑒定。由于樣品數(shù)量太少，柏格曼也只能證明它不是銻而已。牟勒的發(fā)現(xiàn)被忽略了16年后，克拉普羅特在柏林科學(xué)院宣讀一篇關(guān)于特蘭西瓦尼亞的金礦論文時(shí)，才重新把這個(gè)被人遺忘的元素提出來。他將這種礦石溶解在王水中，黑龍江碲粒回收，用過量堿使溶液部分沉淀，除去金和鐵等，在沉淀中發(fā)現(xiàn)這一新元素，命名為tellurium（碲），元素符號(hào)定為Te。這一詞來自拉丁文tellus（地球）?？死樟_特一再申明，這一新元素是1782年牟勒發(fā)現(xiàn)的。baike，黑龍江碲?；厥?/view/評(píng)論00加載更多匿名用戶1級(jí)回答碲（音帝），TELLURIUM，黑龍江碲?；厥眨醋詔ellus意為“土地”，1782年發(fā)現(xiàn)。除了兼具金屬和非金屬的特性外，碲還有幾點(diǎn)不平常的地方：它在周期表的位置形成“顛倒是非”的現(xiàn)象——碲比碘的原子序數(shù)低，具有較大的原子量。如果人吸入它的蒸氣，從嘴里呼出的氣會(huì)有一股蒜味。碲銅常用的有兩種：含1％碲的碲銅具有良好的切削加工性能。黑龍江碲?；厥?/p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江碲?；厥?碲" src="https://tyunfile.71360.com/UploadFile/scmhkj/637467681667063684/6186165.png"></div><p> 碲消費(fèi)量預(yù)計(jì)呈下降趨勢(shì)，主要因?yàn)轫谙M(fèi)比較大的領(lǐng)域太陽能電池產(chǎn)量的下降。太陽能電池和熱電子產(chǎn)品隨著科技的發(fā)展也在日益升級(jí)換代，廠商們更趨向于通過回收等方式節(jié)約成本。由于碲價(jià)格高居不下，合金領(lǐng)域和化學(xué)工業(yè)中的碲需求也會(huì)下降，許多低端碲產(chǎn)品的生產(chǎn)商越來越傾向于尋找替代碲的原料。但是，從長(zhǎng)期來看，預(yù)計(jì)碲的價(jià)格將不斷升高，碲產(chǎn)品尤其是具有較高技術(shù)門檻的高純碲和碲化鎘產(chǎn)品的利潤(rùn)將維持在較高的水平。在薄膜太陽能行業(yè)的爆發(fā)性增長(zhǎng)推動(dòng)下，在沒找到合適的替代品之前，下游企業(yè)對(duì)碲的需求量越來越大。碲的用途不斷完善，我國(guó)作為一個(gè)碲資源豐富的國(guó)家，必須重視碲資源的開發(fā)和利用，要加強(qiáng)碲資源的保護(hù)和開發(fā)利用的管理和監(jiān)督，要依靠科學(xué)技術(shù)進(jìn)步，提高碲資源保護(hù)和合理利用水平。在參與全球資源開發(fā)的市場(chǎng)競(jìng)爭(zhēng)中歷練我們的隊(duì)伍，增強(qiáng)我國(guó)在碲資源開發(fā)、生產(chǎn)利用上的科技、經(jīng)濟(jì)實(shí)力。河北高純碲錠首要技能條件（一）球磨與浸出。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江碲?；厥?碲" src="https://tyunfile.71360.com/UploadFile/scmhkj/637467681051741309/7570424.png"></div><p> 深刻反應(yīng)中國(guó)經(jīng)濟(jì)發(fā)展對(duì)有色...發(fā)布日期：2013-12-30查看報(bào)告【進(jìn)出口】2012年碲進(jìn)出口形勢(shì)報(bào)告簡(jiǎn)介：有色從原礦到制成品以及廢舊回收產(chǎn)品，中國(guó)進(jìn)出口形式，主要進(jìn)出口流向，國(guó)家變化；分國(guó)家各產(chǎn)品，中國(guó)進(jìn)口、出口數(shù)據(jù)金額監(jiān)測(cè)數(shù)據(jù)長(zhǎng)達(dá)十幾年，深刻反應(yīng)中國(guó)經(jīng)濟(jì)發(fā)展對(duì)有色...發(fā)布日期：2012-12-25查看報(bào)告【進(jìn)出口】2011年碲進(jìn)出口形勢(shì)報(bào)告簡(jiǎn)介：有色從原礦到制成品以及廢舊回收產(chǎn)品，中國(guó)進(jìn)出口形式，主要進(jìn)出口流向，國(guó)家變化；分國(guó)家各產(chǎn)品，中國(guó)進(jìn)口、出口數(shù)據(jù)金額監(jiān)測(cè)數(shù)據(jù)長(zhǎng)達(dá)十幾年，深刻反應(yīng)中國(guó)經(jīng)濟(jì)發(fā)展對(duì)有色...發(fā)布日期：2011-12-28查看報(bào)告【進(jìn)出口】2010年碲進(jìn)出口形勢(shì)報(bào)告簡(jiǎn)介：有色從原礦到制成品以及廢舊回收產(chǎn)品，中國(guó)進(jìn)出口形式，主要進(jìn)出口流向，國(guó)家變化；分國(guó)家各產(chǎn)品，中國(guó)進(jìn)口、出口數(shù)據(jù)金額監(jiān)測(cè)數(shù)據(jù)長(zhǎng)達(dá)十幾年。</p><p> 動(dòng)物急性毒性主要損害消化系統(tǒng)、部位系統(tǒng)、心血管以及呼吸系統(tǒng)。局限性肺炎和溶血性貧血是碲急性毒性的典型特征，常伴有血尿發(fā)生。慢性毒性動(dòng)物慢性中毒表現(xiàn)為不好、生長(zhǎng)停滯、消瘦、脫毛、呼氣蒜臭和嗜睡。攝入標(biāo)準(zhǔn)人群對(duì)碲的易感性差異較大，有人口服，有人口服90mg碲方出現(xiàn)此癥狀。不引起呼氣蒜臭的空氣中的碲濃度為，各種癥狀在脫離接觸后可自行消失。迄今為止,對(duì)于碲,國(guó)家、美國(guó)等其他國(guó)家和組織已提出了衛(wèi)生標(biāo)準(zhǔn)的接觸限值。美國(guó):短時(shí)間接觸限值(TLV-STEL)為mg/m3。美國(guó)職業(yè)安全與衛(wèi)生局(OSHA):建議接觸限值(REL-TWA)為mg/m3。國(guó)家職業(yè)安全衛(wèi)生研究所(NIOSH):建議接觸限值(REL-TWA)為mg/m3。澳大利亞:時(shí)間加權(quán)平均濃度(TWA)為3(1990)。瑞士:TWA為3(1990)。國(guó)家:TWA為mg/m3(1991)。除了兼具金屬和非金屬的特性外，碲還有幾點(diǎn)不平常的地方。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江碲?；厥?碲" src="https://tyunfile.71360.com/UploadFile/scmhkj/637467681096878141/2996964.png"></div><p> 元素名稱：碲元素符號(hào)：Te元素英文名稱：元素類型：非金屬元素相對(duì)原子質(zhì)量：原子序數(shù)：52質(zhì)子數(shù)：52中子數(shù)：同位素:摩爾質(zhì)量：128原子半徑：所屬周期：5所屬族數(shù)：VIA電子層排布：常見化合價(jià)：?jiǎn)钨|(zhì)：?jiǎn)钨|(zhì)化學(xué)符號(hào)：顏色和狀態(tài)：密度：熔點(diǎn)：沸點(diǎn)：發(fā)現(xiàn)人：繆勒發(fā)現(xiàn)年代：德國(guó)的繆勒，從一種呈白而略帶藍(lán)的金礦里提出白色金屬樣物質(zhì)，即碲。元素描述：有結(jié)晶形和無定形兩種同素異形體。電離能。結(jié)晶碲具有銀白色的金屬外觀，密度，熔點(diǎn)452℃，沸點(diǎn)1390℃，硬度是（莫氏硬度）。不溶于同它不發(fā)生反應(yīng)的所有溶劑，在室溫時(shí)它的分子量至今還不清楚。無定形碲（褐色），密度，熔點(diǎn)±℃，沸點(diǎn)±℃。碲在空氣中燃燒帶有藍(lán)色火焰，生成二氧化碲；可與鹵素反應(yīng)，但不與硫、硒反應(yīng)。溶于硫酸、硝酸、氫氧化鉀和反應(yīng)鉀溶液。易傳熱和導(dǎo)電。元素來源：從電解銅的陽極泥和煉鋅的煙塵等中回收制取。元素用途：主要用來添加到鋼材中以增加延性，電鍍液中的光亮劑、石油裂化的催化劑、玻璃著色材料，以及添加到鉛中增加它的強(qiáng)度和耐蝕性。碲和它的化合物又是一種半導(dǎo)體材料。元素輔助資料：碲與它的同族元素硫相比，在地殼中的含量少得多。碲在冶金工業(yè)中的用量約占碲的總消費(fèi)量的80％以上。河北高純碲錠</p><p style="text-indent:25px">1782年奧地利首都維也納一家礦場(chǎng)監(jiān)督牟勒從這種礦石中提取出碲。黑龍江碲粒回收</p><p> 前前面儲(chǔ)量國(guó)家的分布及資源變化對(duì)比；中國(guó)與各主要國(guó)家資源、開采對(duì)比情況；中國(guó)各省份資源儲(chǔ)量，產(chǎn)量熱力分布。訂購(gòu)一覽全部數(shù)據(jù)及動(dòng)態(tài)。配以直觀數(shù)據(jù)...發(fā)布日期：2015-12-30查看報(bào)告【礦產(chǎn)資源】2014年碲資源評(píng)估報(bào)告簡(jiǎn)介：世界資源儲(chǔ)量情況，前前面儲(chǔ)量國(guó)家的分布及資源變化對(duì)比；中國(guó)與各主要國(guó)家資源、開采對(duì)比情況；中國(guó)各省份資源儲(chǔ)量，產(chǎn)量熱力分布。訂購(gòu)一覽全部數(shù)據(jù)及動(dòng)態(tài)。配以直觀數(shù)據(jù)...發(fā)布日期：2014-12-26查看報(bào)告【礦產(chǎn)資源】2013年碲資源評(píng)估報(bào)告簡(jiǎn)介：世界資源儲(chǔ)量情況，前前面儲(chǔ)量國(guó)家的分布及資源變化對(duì)比；中國(guó)與各主要國(guó)家資源、開采對(duì)比情況；中國(guó)各省份資源儲(chǔ)量，產(chǎn)量熱力分布。訂購(gòu)一覽全部數(shù)據(jù)及動(dòng)態(tài)。配以直觀數(shù)據(jù)...發(fā)布日期：2013-12-25查看報(bào)告【礦產(chǎn)資源】2012年碲資源評(píng)估報(bào)告簡(jiǎn)介：世界資源儲(chǔ)量情況，前前面儲(chǔ)量國(guó)家的分布及資源變化對(duì)比；中國(guó)與各主要國(guó)家資源、開采對(duì)比情況；中國(guó)各省份資源儲(chǔ)量，產(chǎn)量熱力分布。訂購(gòu)一覽全部數(shù)據(jù)及動(dòng)態(tài)。配以直觀數(shù)據(jù)...發(fā)布日期：2012-12-27查看報(bào)告【礦產(chǎn)資源】2011年碲資源評(píng)估報(bào)告簡(jiǎn)介：世界資源儲(chǔ)量情況，前前面儲(chǔ)量國(guó)家的分布及資源變化對(duì)比；中國(guó)與各主要國(guó)家資源、開采對(duì)比情況。黑龍江碲粒回收</p><p 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