成人国产一区二区三区精品不卡_国产午夜精品免费一区二区三区_欧美高清视频手机在在线_无码99久热只有精品视频在线观

咨詢熱線

18930213620

當前位置:首頁  >  新聞資(zi)訊

  • 2024

    10-28

    在(zai)線溶(rong)(rong)解(jie)(jie)(jie)氧(yang)分析儀(yi)是一種(zhong)用于連續監測(ce)水(shui)體(ti)(ti)中(zhong)溶(rong)(rong)解(jie)(jie)(jie)氧(yang)(DO)濃(nong)度的(de)(de)儀(yi)器(qi)。廣泛應用于水(shui)質監測(ce)及管(guan)理(li)(li)(li)、污水(shui)處(chu)理(li)(li)(li)、環境保(bao)護、魚(yu)類(lei)養殖、工(gong)業過程等(deng)多個領(ling)域。該設(she)備能夠實時提供溶(rong)(rong)解(jie)(jie)(jie)氧(yang)的(de)(de)數(shu)據,幫(bang)助用戶有(you)效地評估水(shui)體(ti)(ti)的(de)(de)健康狀況以(yi)及反應過程中(zhong)的(de)(de)氧(yang)氣消耗情(qing)況。在(zai)線溶(rong)(rong)解(jie)(jie)(jie)氧(yang)分析儀(yi)的(de)(de)工(gong)作(zuo)(zuo)原(yuan)理(li)(li)(li):1.電(dian)(dian)化(hua)學法:-極(ji)譜法:該方法使(shi)用一對(dui)電(dian)(dian)極(ji)(工(gong)作(zuo)(zuo)電(dian)(dian)極(ji)和參(can)比(bi)電(dian)(dian)極(ji))構成傳感器(qi)。當(dang)溶(rong)(rong)解(jie)(jie)(jie)氧(yang)分子(zi)在(zai)電(dian)(dian)極(ji)表面還原(yuan)時,會(hui)發生電(dian)(dian)子(zi)轉移(yi),產生電(dian)(dian)流(liu)。通過測(ce)量電(dian)(dian)流(liu)的(de)(de)大小,可以(yi)得到溶(rong)(rong)解(jie)(jie)(jie)氧(yang)的(de)(de)濃(nong)度。極(ji)譜法具有(you)良好的(de)(de)靈敏度和準確性,但對(dui)流(liu)速和...

  • 2024

    9-26

    氨(an)(an)(an)氮(dan)(dan)是指水(shui)(shui)(shui)體(ti)(ti)(ti)(ti)中以(yi)氨(an)(an)(an)(NH?)或銨離(li)子(NH??)的(de)(de)形(xing)式(shi)(shi)存在的(de)(de)氮(dan)(dan)元(yuan)素,是水(shui)(shui)(shui)質監(jian)測中一個重(zhong)要(yao)的(de)(de)指標。過量的(de)(de)氨(an)(an)(an)氮(dan)(dan)會(hui)導致水(shui)(shui)(shui)體(ti)(ti)(ti)(ti)富營養化,對水(shui)(shui)(shui)生(sheng)生(sheng)物造(zao)成威脅。同時,氨(an)(an)(an)氮(dan)(dan)對飲用水(shui)(shui)(shui)和生(sheng)態環(huan)境有潛在危害。因(yin)此,準(zhun)確測定水(shui)(shui)(shui)體(ti)(ti)(ti)(ti)中的(de)(de)氨(an)(an)(an)氮(dan)(dan)濃度(du),對于(yu)防治水(shui)(shui)(shui)污染和水(shui)(shui)(shui)資源管理具(ju)有重(zhong)要(yao)意義。是檢測水(shui)(shui)(shui)體(ti)(ti)(ti)(ti)中氨(an)(an)(an)氮(dan)(dan)濃度(du)的(de)(de)一種常用試(shi)劑,其具(ju)有靈(ling)敏度(du)高、操作簡便、重(zhong)復(fu)性好的(de)(de)特點。哈希氨(an)(an)(an)氮(dan)(dan)試(shi)劑的(de)(de)原理:1.氨(an)(an)(an)氮(dan)(dan)的(de)(de)釋放(fang):樣品水(shui)(shui)(shui)中若(ruo)含有氨(an)(an)(an)氮(dan)(dan),首先通過加(jia)熱或適當的(de)(de)處(chu)理,使得氨(an)(an)(an)以(yi)氣(qi)體(ti)(ti)(ti)(ti)形(xing)式(shi)(shi)釋放(fang)出來。2.與試(shi)劑反應:通常包含的(de)(de)化學成分有...

  • 2024

    8-28

    在線溶(rong)(rong)(rong)解(jie)氧分(fen)析儀(yi)(yi)是用(yong)于水(shui)質監(jian)測與控(kong)制(zhi)的(de)(de)重(zhong)要(yao)儀(yi)(yi)器(qi)(qi),廣泛(fan)應用(yong)于環(huan)保、污(wu)水(shui)處理、飲用(yong)水(shui)監(jian)測、生態研究(jiu)及工業過程控(kong)制(zhi)等(deng)(deng)領域(yu)。能實時監(jian)測水(shui)體(ti)中的(de)(de)溶(rong)(rong)(rong)解(jie)氧濃(nong)(nong)(nong)(nong)度,及時反饋水(shui)質變化,為水(shui)質管理和(he)(he)控(kong)制(zhi)提(ti)供可靠的(de)(de)數據(ju)支持。在線溶(rong)(rong)(rong)解(jie)氧分(fen)析儀(yi)(yi)的(de)(de)組成結構:1.傳(chuan)(chuan)(chuan)感器(qi)(qi):根據(ju)使(shi)用(yong)的(de)(de)測量原理,分(fen)為電化學(xue)傳(chuan)(chuan)(chuan)感器(qi)(qi)和(he)(he)光學(xue)傳(chuan)(chuan)(chuan)感器(qi)(qi)。傳(chuan)(chuan)(chuan)感器(qi)(qi)是儀(yi)(yi)器(qi)(qi)的(de)(de)核心部件,負責檢測溶(rong)(rong)(rong)解(jie)氧的(de)(de)濃(nong)(nong)(nong)(nong)度。2.儀(yi)(yi)表主體(ti):用(yong)于處理傳(chuan)(chuan)(chuan)感器(qi)(qi)反饋的(de)(de)信(xin)(xin)號,進(jin)行(xing)數據(ju)分(fen)析和(he)(he)顯示(shi)。通常配備(bei)有數字(zi)顯示(shi)屏,顯示(shi)當前的(de)(de)溶(rong)(rong)(rong)解(jie)氧濃(nong)(nong)(nong)(nong)度、溫度、濃(nong)(nong)(nong)(nong)度單(dan)位(wei)等(deng)(deng)信(xin)(xin)息。3.數據(ju)采集(ji)模塊:...

  • 2024

    7-28

    DKK電位滴(di)定(ding)(ding)(ding)(ding)裝(zhuang)置是(shi)一種(zhong)用(yong)(yong)于測(ce)量溶液(ye)中(zhong)(zhong)(zhong)離子(zi)濃(nong)度變(bian)(bian)化(hua)和進行滴(di)定(ding)(ding)(ding)(ding)反(fan)(fan)應的實驗(yan)設(she)備。其全稱(cheng)為(wei)“滴(di)定(ding)(ding)(ding)(ding)電位計”,在(zai)化(hua)學分析和實驗(yan)室研究(jiu)(jiu)中(zhong)(zhong)(zhong)發(fa)揮(hui)著重要作用(yong)(yong)。特別適用(yong)(yong)于復雜體系中(zhong)(zhong)(zhong)的滴(di)定(ding)(ding)(ding)(ding)分析,能夠(gou)精準地測(ce)量電位變(bian)(bian)化(hua),實時(shi)監測(ce)反(fan)(fan)應進程(cheng),并(bing)為(wei)研究(jiu)(jiu)者提(ti)供可靠(kao)的定(ding)(ding)(ding)(ding)量分析結果。基本原理是(shi)利用(yong)(yong)電極(ji)與待測(ce)溶液(ye)之間的電位差,來監測(ce)反(fan)(fan)應進程(cheng)。通(tong)過將標準溶液(ye)逐(zhu)(zhu)漸加入待測(ce)溶液(ye)中(zhong)(zhong)(zhong),電位變(bian)(bian)化(hua)可反(fan)(fan)映出離子(zi)的濃(nong)度變(bian)(bian)化(hua)。當反(fan)(fan)應達到等當點時(shi),電位會發(fa)生明顯的躍(yue)變(bian)(bian),從(cong)而確定(ding)(ding)(ding)(ding)滴(di)定(ding)(ding)(ding)(ding)終點。DKK電位滴(di)定(ding)(ding)(ding)(ding)裝(zhuang)置的組(zu)成:1.滴(di)定(ding)(ding)(ding)(ding)管:用(yong)(yong)于逐(zhu)(zhu)滴(di)加...

  • 2024

    6-23

    Cod濕(shi)(shi)(shi)度(du)(du)(du)(du)傳感(gan)器是一種用(yong)于檢測環(huan)(huan)(huan)(huan)(huan)境(jing)(jing)中(zhong)(zhong)濕(shi)(shi)(shi)度(du)(du)(du)(du)水平的(de)(de)(de)(de)(de)傳感(gan)器。隨著科技的(de)(de)(de)(de)(de)不斷(duan)發展,人們對于生活品質和環(huan)(huan)(huan)(huan)(huan)境(jing)(jing)舒適(shi)度(du)(du)(du)(du)的(de)(de)(de)(de)(de)要(yao)求(qiu)越來(lai)越高,濕(shi)(shi)(shi)度(du)(du)(du)(du)傳感(gan)器在各種領域得到了廣泛(fan)的(de)(de)(de)(de)(de)應用(yong),包括但不限于氣象(xiang)觀測、智能家居、農(nong)業生產(chan)、醫療保健等。通過測量(liang)環(huan)(huan)(huan)(huan)(huan)境(jing)(jing)中(zhong)(zhong)的(de)(de)(de)(de)(de)濕(shi)(shi)(shi)度(du)(du)(du)(du)水平,可(ke)以幫助用(yong)戶實時監(jian)測環(huan)(huan)(huan)(huan)(huan)境(jing)(jing)的(de)(de)(de)(de)(de)濕(shi)(shi)(shi)度(du)(du)(du)(du)情況,從而(er)調節相關設備,保持環(huan)(huan)(huan)(huan)(huan)境(jing)(jing)的(de)(de)(de)(de)(de)舒適(shi)度(du)(du)(du)(du)和穩定性。Cod濕(shi)(shi)(shi)度(du)(du)(du)(du)傳感(gan)器采(cai)用(yong)一種特定材(cai)料或技術來(lai)測量(liang)周圍環(huan)(huan)(huan)(huan)(huan)境(jing)(jing)中(zhong)(zhong)的(de)(de)(de)(de)(de)濕(shi)(shi)(shi)度(du)(du)(du)(du)水平,常見(jian)的(de)(de)(de)(de)(de)工(gong)作原理主(zhu)要(yao)包括電(dian)(dian)容式(shi)、電(dian)(dian)阻式(shi)、電(dian)(dian)化學式(shi)等。其(qi)中(zhong)(zhong),電(dian)(dian)容式(shi)濕(shi)(shi)(shi)度(du)(du)(du)(du)傳感(gan)器通過測量(liang)環(huan)(huan)(huan)(huan)(huan)境(jing)(jing)中(zhong)(zhong)濕(shi)(shi)(shi)度(du)(du)(du)(du)導致的(de)(de)(de)(de)(de)電(dian)(dian)...

  • 2024

    5-29

    在(zai)線LDO分析(xi)儀是(shi)一種用(yong)(yong)于(yu)測量水中(zhong)溶解(jie)氧(yang)(yang)(DO)濃(nong)(nong)度的儀器(qi)(qi)(qi)。其原理基于(yu)氧(yang)(yang)化(hua)還(huan)原反(fan)(fan)應,通過(guo)電(dian)(dian)(dian)極的電(dian)(dian)(dian)化(hua)學(xue)反(fan)(fan)應將(jiang)氧(yang)(yang)氣(qi)(qi)還(huan)原為氧(yang)(yang)離子,并(bing)測量在(zai)電(dian)(dian)(dian)極上所產生(sheng)的電(dian)(dian)(dian)流大小來計(ji)算溶解(jie)氧(yang)(yang)濃(nong)(nong)度。主要由DO傳(chuan)感(gan)(gan)器(qi)(qi)(qi)、控(kong)制(zhi)器(qi)(qi)(qi)、電(dian)(dian)(dian)子顯(xian)示(shi)器(qi)(qi)(qi)等部件組成。DO傳(chuan)感(gan)(gan)器(qi)(qi)(qi)是(shi)實現溶解(jie)氧(yang)(yang)濃(nong)(nong)度測量的關鍵部件,通過(guo)與水中(zhong)的氧(yang)(yang)氣(qi)(qi)進行電(dian)(dian)(dian)化(hua)學(xue)反(fan)(fan)應來產生(sheng)電(dian)(dian)(dian)流信(xin)號;控(kong)制(zhi)器(qi)(qi)(qi)用(yong)(yong)于(yu)接收(shou)傳(chuan)感(gan)(gan)器(qi)(qi)(qi)傳(chuan)來的信(xin)號,并(bing)進行數據處理和顯(xian)示(shi);電(dian)(dian)(dian)子顯(xian)示(shi)器(qi)(qi)(qi)用(yong)(yong)于(yu)顯(xian)示(shi)測量結(jie)果和操作界面。工作原理是(shi)通過(guo)DO傳(chuan)感(gan)(gan)器(qi)(qi)(qi)將(jiang)溶解(jie)在(zai)水中(zhong)的氧(yang)(yang)氣(qi)(qi)還(huan)原成氧(yang)(yang)離子,產生(sheng)電(dian)(dian)(dian)流信(xin)號,控(kong)制(zhi)器(qi)(qi)(qi)接收(shou)...

  • 2024

    4-27

    哈希在線氨(an)氮(dan)(dan)(dan)試(shi)(shi)劑(ji)(ji)(ji)是(shi)一(yi)種(zhong)用(yong)于(yu)水(shui)(shui)(shui)(shui)(shui)質監(jian)測(ce)(ce)和分(fen)析的試(shi)(shi)劑(ji)(ji)(ji),主要用(yong)于(yu)檢測(ce)(ce)水(shui)(shui)(shui)(shui)(shui)中(zhong)的氨(an)氮(dan)(dan)(dan)含量。氨(an)氮(dan)(dan)(dan)是(shi)水(shui)(shui)(shui)(shui)(shui)體中(zhong)一(yi)種(zhong)重(zhong)(zhong)要的污染物(wu),其(qi)高濃度(du)會對(dui)水(shui)(shui)(shui)(shui)(shui)體生(sheng)(sheng)態環境和人類健康造(zao)成嚴重(zhong)(zhong)影響。因此(ci),對(dui)水(shui)(shui)(shui)(shui)(shui)中(zhong)氨(an)氮(dan)(dan)(dan)含量進行監(jian)測(ce)(ce)和控制具有重(zhong)(zhong)要意義。能(neng)夠通過化學反應(ying)(ying)將水(shui)(shui)(shui)(shui)(shui)樣中(zhong)的氨(an)氮(dan)(dan)(dan)轉化為可測(ce)(ce)量的化合物(wu),從而實現對(dui)水(shui)(shui)(shui)(shui)(shui)質的快速準確監(jian)測(ce)(ce)。原(yuan)理是(shi)基于(yu)氨(an)氮(dan)(dan)(dan)與試(shi)(shi)劑(ji)(ji)(ji)液(ye)中(zhong)的特定(ding)化學物(wu)質發生(sheng)(sheng)反應(ying)(ying)。在試(shi)(shi)劑(ji)(ji)(ji)液(ye)中(zhong)加入一(yi)定(ding)量的水(shui)(shui)(shui)(shui)(shui)樣后(hou),水(shui)(shui)(shui)(shui)(shui)樣中(zhong)的氨(an)氮(dan)(dan)(dan)會與試(shi)(shi)劑(ji)(ji)(ji)液(ye)中(zhong)的特定(ding)成分(fen)發生(sheng)(sheng)化學反應(ying)(ying),生(sheng)(sheng)成一(yi)種(zhong)可測(ce)(ce)量的化合物(wu)。這種(zhong)化合物(wu)會與顯(xian)色(se)劑(ji)(ji)(ji)發生(sheng)(sheng)反應(ying)(ying),產生(sheng)(sheng)明顯(xian)的顏色(se)變...

  • 2024

    3-24

    哈(ha)希(xi)在線(xian)總(zong)磷(lin)(lin)試劑(ji)(ji)是(shi)一(yi)(yi)種用(yong)于水質分析的(de)重(zhong)要試劑(ji)(ji),主要用(yong)于測(ce)定(ding)(ding)水體中總(zong)磷(lin)(lin)含量(liang)的(de)檢測(ce)。通過一(yi)(yi)系(xi)列化學反(fan)應將(jiang)水樣中的(de)總(zong)磷(lin)(lin)轉化為可測(ce)定(ding)(ding)的(de)化合物,然后利用(yong)光度(du)計或分光光度(du)計對產生的(de)色(se)素(su)進行(xing)測(ce)定(ding)(ding),從(cong)而確定(ding)(ding)水樣中總(zong)磷(lin)(lin)的(de)含量(liang)。通常包括還原、氧化和著色(se)等步驟,最終形(xing)成可見的(de)色(se)素(su)產物。哈(ha)希(xi)在線(xian)總(zong)磷(lin)(lin)試劑(ji)(ji)的(de)特點:1.靈(ling)(ling)敏度(du)高(gao)(gao):具有較(jiao)高(gao)(gao)的(de)靈(ling)(ling)敏度(du),能(neng)夠準(zhun)確測(ce)定(ding)(ding)水樣中低濃(nong)度(du)的(de)總(zong)磷(lin)(lin)含量(liang)。2.穩定(ding)(ding)性好(hao):試劑(ji)(ji)具有良(liang)好(hao)的(de)穩定(ding)(ding)性,能(neng)夠在一(yi)(yi)定(ding)(ding)時(shi)間內(nei)保(bao)持較(jiao)高(gao)(gao)的(de)反(fan)應效率。3.操(cao)作簡便(bian)(bian):試劑(ji)(ji)使用(yong)簡便(bian)(bian),操(cao)作流(liu)程清晰明了,適合實(shi)...

  • 2024

    1-28

    DKK電(dian)位(wei)滴(di)(di)定(ding)(ding)(ding)(ding)(ding)裝置(zhi)(zhi)是(shi)一種先進的(de)實驗室分(fen)析設備(bei),用于(yu)通過(guo)(guo)電(dian)位(wei)滴(di)(di)定(ding)(ding)(ding)(ding)(ding)法進行定(ding)(ding)(ding)(ding)(ding)量(liang)分(fen)析。電(dian)位(wei)滴(di)(di)定(ding)(ding)(ding)(ding)(ding)法是(shi)一種基于(yu)溶(rong)液(ye)電(dian)位(wei)變(bian)化(hua)(hua)的(de)定(ding)(ding)(ding)(ding)(ding)量(liang)分(fen)析方(fang)法。在滴(di)(di)定(ding)(ding)(ding)(ding)(ding)過(guo)(guo)程中(zhong),滴(di)(di)定(ding)(ding)(ding)(ding)(ding)劑與(yu)待(dai)測(ce)物質(zhi)發生(sheng)化(hua)(hua)學反(fan)應,導致溶(rong)液(ye)的(de)電(dian)位(wei)發生(sheng)變(bian)化(hua)(hua)。當(dang)電(dian)位(wei)變(bian)化(hua)(hua)達到預(yu)設的(de)終點電(dian)位(wei)時,滴(di)(di)定(ding)(ding)(ding)(ding)(ding)結束,此(ci)時滴(di)(di)定(ding)(ding)(ding)(ding)(ding)劑的(de)消耗量(liang)即為(wei)待(dai)測(ce)物質(zhi)的(de)含量(liang)。通過(guo)(guo)連(lian)續監測(ce)溶(rong)液(ye)的(de)電(dian)位(wei)變(bian)化(hua)(hua),自動判(pan)斷(duan)滴(di)(di)定(ding)(ding)(ding)(ding)(ding)終點,從(cong)而實現自動化(hua)(hua)、智能(neng)化(hua)(hua)的(de)定(ding)(ding)(ding)(ding)(ding)量(liang)分(fen)析。能(neng)夠精確測(ce)定(ding)(ding)(ding)(ding)(ding)溶(rong)液(ye)中(zhong)的(de)特(te)定(ding)(ding)(ding)(ding)(ding)離(li)子濃度(du),廣泛(fan)應用于(yu)化(hua)(hua)工、制藥、環保、食品和飲(yin)料(liao)等(deng)行業的(de)質(zhi)量(liang)控制和研發。DKK電(dian)位(wei)滴(di)(di)定(ding)(ding)(ding)(ding)(ding)裝置(zhi)(zhi)的(de)結構特(te)點:...

  • 2023

    12-24

    氟(fu)(fu)離(li)子(zi)濃(nong)度(du)計(ji)是一種(zhong)用于測量(liang)溶液(ye)中(zhong)氟(fu)(fu)離(li)子(zi)濃(nong)度(du)的(de)(de)儀器。氟(fu)(fu)離(li)子(zi)是人(ren)體(ti)內必需(xu)的(de)(de)微量(liang)元素之一,對(dui)人(ren)體(ti)健康具有重要作用。然而,過量(liang)的(de)(de)氟(fu)(fu)離(li)子(zi)攝入(ru)會對(dui)人(ren)體(ti)造成危害(hai),因此需(xu)要對(dui)飲用水和(he)食品中(zhong)的(de)(de)氟(fu)(fu)離(li)子(zi)濃(nong)度(du)進(jin)行監測。工作原理是基于電(dian)化學分析方法(fa)。它通(tong)過將待測樣品與(yu)電(dian)極接觸,使樣品中(zhong)的(de)(de)氟(fu)(fu)離(li)子(zi)在電(dian)極表(biao)面(mian)發(fa)生氧化還原反應,產生電(dian)流信號(hao)。根據法(fa)拉第電(dian)解定律,電(dian)流的(de)(de)大(da)小(xiao)(xiao)與(yu)氟(fu)(fu)離(li)子(zi)的(de)(de)濃(nong)度(du)成正比(bi)關系(xi)。通(tong)過測量(liang)電(dian)流信號(hao)的(de)(de)大(da)小(xiao)(xiao),可以計(ji)算(suan)出樣品中(zhong)氟(fu)(fu)離(li)子(zi)的(de)(de)濃(nong)度(du)。氟(fu)(fu)離(li)子(zi)濃(nong)度(du)計(ji)通(tong)常由(you)電(dian)極、參(can)比(bi)電(dian)極、測量(liang)電(dian)路(lu)和(he)顯示器等部分組成...

共 89 條記錄,當前 1 / 9 頁  首頁  上一頁  下一頁  末頁  跳轉到第頁 
  • 公司地址:上海市閔行區虹中路335弄32號4
  • 公司郵箱:5575314@qq.com
  • 公司傳真:86-區號-傳真號碼
021-62200332

銷售熱線

在線咨詢
  • 微信公眾號

  • 移動端瀏覽

Copyright © 2024 上海植茂環保科技有限公司版權所有       sitemap.xml    技術支持: