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光化學(xué)反應(yīng)釜的使用過程介紹的很詳細(xì)嗎

點擊次數(shù):1179 更新時間:2019-06-25
   光化學(xué)反應(yīng)釜的使用過程介紹的很詳細(xì)嗎
  光化學(xué)反應(yīng)釜產(chǎn)品特點:
  1.光化學(xué)反應(yīng)釜主控電源,控制光照時間靈活控制,適合計時作業(yè)和實驗使用;
  2.專業(yè)穩(wěn)定的模擬光源和穩(wěn)定,節(jié)省空間的體積設(shè)計,特別適合空間有限的實驗室配備;
  3.配套裝置中有多位試管磁力攪拌器反應(yīng)器功能,可實現(xiàn)同時部分試管充氣功能,多位試管磁力攪拌反應(yīng)器實際應(yīng)用價值性能;
  4.配套有多口磁力攪拌反應(yīng)器功能,可以是反應(yīng)過程中具有強(qiáng)磁力攪拌,充氣,放氣,密封,測量等功能
  5.配套有固體反應(yīng)裝置,可以對固體物質(zhì)進(jìn)行光催化反應(yīng),提升催化速度;
  6.配置有冷卻水裝置,進(jìn)口壓縮機(jī)無氟作業(yè),確保光源長時間穩(wěn)定運(yùn)行,適合連續(xù)作業(yè)實驗,該低溫冷卻水供給裝置自身配備有靜音外循環(huán)泵,提供冷卻水循環(huán)增壓,同時節(jié)約水源的浪費(fèi);
  7.光化學(xué)反應(yīng)釜攪拌器、是一種新型強(qiáng)磁力攪拌裝置、能使樣品充分均勻受光、實現(xiàn)多根試管同時同步進(jìn)行攪拌多功能、每個試管內(nèi)攪拌磁子可無極調(diào)速。
  光化學(xué)反應(yīng)釜的操作方法:
  1、反應(yīng)釜攪拌要均勻,防止局部反應(yīng):有些激烈反應(yīng),如不及時攪拌,放出熱量積聚于局部,局部反應(yīng)愈來愈迅速、猛烈,而發(fā)生危險??刂七@種反應(yīng),使用高速攪拌,外部冷卻。
  2、控制反應(yīng)溫度:溫度愈高,反應(yīng)愈快。每升高十度,反應(yīng)速度約增加二倍左右。一般選用溶劑(沸點固定),使反應(yīng)局限于該溶劑的沸點附近。此外,用加料速度,外冷等手段控制反應(yīng)溫度。
  3、注意誘導(dǎo)反應(yīng)后,再正常加料:很多化學(xué)反應(yīng),尤其是有機(jī)反應(yīng),物料混合后,即使加熱,也不立即起反應(yīng),但一旦發(fā)生反應(yīng),就很猛烈,易造成事故。對這類反應(yīng),大多數(shù)控制加料,先加料少量,加熱誘起反應(yīng)。如無反應(yīng),勿大量加料,只能再加少量料,直到誘起反應(yīng)以后,再正常慢慢加料,連續(xù)反應(yīng)。
  4、操作要注意不讓有害氣體逸出:可回流的冷卻回流,可吸收的吸收。注意冷凝效率和吸收效率。用安全的密閉操作,代替開口操作。
  5、反應(yīng)如果尾氣吸收,必須注意停止反應(yīng)時,可能發(fā)生回吸問題;要及時打開聯(lián)接管或裝緩沖瓶。
  光化學(xué)反應(yīng)釜注意事項
  1.汞,氙燈開啟1-3分鐘后發(fā)光穩(wěn)定,關(guān)燈后需等待5分鐘(推薦)后方能重新啟動;
  2.汞,氙燈的發(fā)光部位為石英管,手直接接觸會造成污染而影響發(fā)光強(qiáng)度,石英器皿外部常用干凈脂肪棉沾取少量酒精擦凈,清洗內(nèi)部則用清洗液;
  3.多試管磁力攪拌器反應(yīng)試管分別選用30ml,50ml,60ml等;
  4.主體箱,主體箱是放置系列化學(xué)反應(yīng)器光照裝置的地方,具有以下特征:箱體的尺寸為400mm*450mm*900mm,約33KG;
  5.環(huán)境溫度:0℃-35℃,相對濕度≤80%;
  以上便是今天關(guān)于光化學(xué)反應(yīng)釜的使用過程介紹的很詳細(xì)嗎的全部分享了,希望對大家今后使用本設(shè)備能有幫助。
 
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