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3-12
上(shang)海植(zhi)茂環保(bao)(bao)科技(ji)有限公司為大家詳細介紹一下(xia)使用(yong)(yong)(yong)水(shui)質分析儀的(de)注意(yi)事(shi)項:1、鹽(yan)度電(dian)極使用(yong)(yong)(yong)后盡(jin)量(liang)放(fang)入(ru)水(shui)中保(bao)(bao)存(cun)(cun)。2、每個滴管只能(neng)用(yong)(yong)(yong)于一種溶液,或將滴管清洗干凈后再(zai)(zai)使用(yong)(yong)(yong)。不(bu)能(neng)混用(yong)(yong)(yong)。3、PH電(dian)極使用(yong)(yong)(yong)后應(ying)放(fang)入(ru)其(qi)(qi)原帶的(de)保(bao)(bao)護液中進行保(bao)(bao)存(cun)(cun),在其(qi)(qi)使用(yong)(yong)(yong)時要(yao)(yao)注意(yi)把(ba)其(qi)(qi)保(bao)(bao)護液放(fang)置(zhi)安全(quan)的(de)地方,防止不(bu)小心(xin)將其(qi)(qi)碰(peng)倒。4、溶解氧電(dian)極要(yao)(yao)注意(yi)氧膜的(de)保(bao)(bao)護。不(bu)要(yao)(yao)讓尖(jian)硬物碰(peng)到(dao)氧膜更不(bu)要(yao)(yao)用(yong)(yong)(yong)手觸摸氧膜。使用(yong)(yong)(yong)后盡(jin)量(liang)將電(dian)極放(fang)入(ru)水(shui)中保(bao)(bao)存(cun)(cun),其(qi)(qi)水(shui)面剛過氧膜即可(ke)不(bu)要(yao)(yao)超(chao)過氧電(dian)極的(de)焊點處。6、電(dian)極使用(yong)(yong)(yong)后應(ying)清洗干凈,用(yong)(yong)(yong)濾紙擦干后再(zai)(zai)按(an)照每種電(dian)極的(de)...
1-22
為了保(bao)護(hu)水環境,必須加強對污水排放的(de)(de)監測(ce)(ce)(ce)(ce)。檢測(ce)(ce)(ce)(ce)點的(de)(de)設計和(he)檢測(ce)(ce)(ce)(ce)儀表(主要(yao)(yao)(yao)是(shi)水質(zhi)分(fen)析(xi)(xi)(xi)(xi)儀)的(de)(de)質(zhi)量對水環境監測(ce)(ce)(ce)(ce)起著(zhu)至(zhi)關重(zhong)要(yao)(yao)(yao)的(de)(de)作用。用化學和(he)物理方法測(ce)(ce)(ce)(ce)定水中各(ge)種化學成分(fen)的(de)(de)含量。水質(zhi)分(fen)析(xi)(xi)(xi)(xi)儀分(fen)為簡分(fen)析(xi)(xi)(xi)(xi)、全分(fen)析(xi)(xi)(xi)(xi)和(he)專(zhuan)項(xiang)分(fen)析(xi)(xi)(xi)(xi)三種。簡分(fen)析(xi)(xi)(xi)(xi)在(zai)(zai)野外進行(xing),分(fen)析(xi)(xi)(xi)(xi)項(xiang)目少,但要(yao)(yao)(yao)求快(kuai)而及(ji)時(shi),適用于初(chu)步(bu)了解大(da)面積范圍內各(ge)含水層中地下(xia)水的(de)(de)主要(yao)(yao)(yao)化學成分(fen)專(zhuan)項(xiang)分(fen)析(xi)(xi)(xi)(xi)的(de)(de)項(xiang)目根據具(ju)體任(ren)務(wu)的(de)(de)需要(yao)(yao)(yao)而定。另全自動離子分(fen)析(xi)(xi)(xi)(xi)儀可快(kuai)速而準確的(de)(de)定性定量分(fen)析(xi)(xi)(xi)(xi),并可全自動、智能化、實時(shi)在(zai)(zai)線、多參數同(tong)時(shi)進行(xing)分(fen)析(xi)(xi)(xi)(xi)。人類在(zai)(zai)生活和(he)生產(chan)活動中都離不開水,...
1-18
溶(rong)(rong)解(jie)氧(yang)儀是(shi)(shi)測量溶(rong)(rong)解(jie)在水(shui)溶(rong)(rong)液(ye)內(nei)的氧(yang)氣(qi)(qi)的含量。氧(yang)氣(qi)(qi)通過周(zhou)圍的空氣(qi)(qi)、空氣(qi)(qi)流動(dong)和光合作用溶(rong)(rong)解(jie)于(yu)水(shui)中。可用來(lai)測量用來(lai)對氧(yang)含量會影(ying)響(xiang)反(fan)應(ying)速(su)度(du)、流程效率或(huo)(huo)環境的流程進行監控(kong):如水(shui)產養(yang)殖、生(sheng)物反(fan)應(ying)、環境測試(shi)(湖(hu)、溪、海洋)、水(shui)/廢水(shui)處理、葡萄酒(jiu)生(sheng)產。溶(rong)(rong)解(jie)氧(yang)儀的日常維護及保養(yang)應(ying)該注意的事項:1.每天使用溶(rong)(rong)解(jie)氧(yang)儀前做一次標定,采用水(shui)飽和氣(qi)(qi)法(fa),一天內(nei)即使關過機(ji)也不(bu)(bu)必再標定;2.標定和測量時的溫(wen)度(du)不(bu)(bu)要(yao)相差太大,不(bu)(bu)超過+-5℃為宜(yi);3.讀數(shu)不(bu)(bu)正常一定要(yao)換溶(rong)(rong)解(jie)氧(yang)儀膜(如開機(ji)后(hou)讀數(shu)不(bu)(bu)穩定或(huo)(huo)不(bu)(bu)是(shi)(shi)從高到(dao)低趨(qu)于(yu)...
12-21
在(zai)(zai)線溶解氧分析儀中(zhong)(zhong)探(tan)頭的(de)(de)透(tou)氧膜(mo)將水(shui)樣(yang)與(yu)電極(ji)隔(ge)離開(kai),因此不(bu)需要對(dui)樣(yang)品進(jin)行(xing)調節。其(qi)它還(huan)原性或氧化性離子由(you)于不(bu)能穿過透(tou)氣膜(mo),故而(er)不(bu)會(hui)對(dui)測量(liang)產(chan)生干擾。采用模塊式結構,按(an)不(bu)同功能分為鍵(jian)盤、顯示(shi)、數據處理、中(zhong)(zhong)斷處理等模塊。系統(tong)整體結構分明(ming)、緊湊、程(cheng)序(xu)運行(xing)可(ke)靠。系統(tong)上(shang)電開(kai)機后進(jin)行(xing)系統(tong)初始化并(bing)自檢(jian)(jian),完畢后打開(kai)測量(liang)程(cheng)序(xu)開(kai)始對(dui)待測水(shui)質的(de)(de)溶氧值進(jin)行(xing)測量(liang)并(bing)在(zai)(zai)屏幕上(shang)顯示(shi)主測量(liang)值、溫度、時(shi)間和狀態參數等,同時(shi)檢(jian)(jian)測按(an)鍵(jian)準備(bei)調用菜(cai)單程(cheng)序(xu),參數查詢、參數設(she)置、系統(tong)維護和電極(ji)標定等。在(zai)(zai)菜(cai)單操作過程(cheng)中(zhong)(zhong)采用全程(cheng)中(zhong)(zhong)文...
11-19
Cod濕(shi)度(du)傳(chuan)(chuan)(chuan)感(gan)器需(xu)要進行遠距離信(xin)號(hao)傳(chuan)(chuan)(chuan)輸時(shi),要注意信(xin)號(hao)的(de)(de)(de)衰減問題(ti),當傳(chuan)(chuan)(chuan)輸距離超過200米以上(shang)時(shi),建議選用頻率輸出信(xin)號(hao)的(de)(de)(de)濕(shi)度(du)傳(chuan)(chuan)(chuan)感(gan)器,由(you)(you)于(yu)濕(shi)敏元(yuan)件都存(cun)在(zai)(zai)一(yi)定的(de)(de)(de)分散性(xing),無論進口或國產的(de)(de)(de)傳(chuan)(chuan)(chuan)感(gan)器都需(xu)逐支調試(shi)標(biao)定。在(zai)(zai)更換濕(shi)敏元(yuan)件后(hou)需(xu)要重新調試(shi)標(biao)定,對于(yu)測(ce)量(liang)精度(du)比較高(gao)的(de)(de)(de)濕(shi)度(du)傳(chuan)(chuan)(chuan)感(gan)器尤其(qi)重要。該傳(chuan)(chuan)(chuan)感(gan)器抽取高(gao)溫(wen)氣體到一(yi)個(ge)管道(dao)內,經(jing)過循環系統降濕(shi)處(chu)理后(hou),由(you)(you)溫(wen)濕(shi)度(du)敏感(gan)元(yuan)件測(ce)量(liang)溫(wen)濕(shi)度(du)值,在(zai)(zai)由(you)(you)排氣風(feng)機送回(hui)高(gao)溫(wen)區(qu)內,整個(ge)過程在(zai)(zai)密閉環境內進行。該是非密封性(xing)的(de)(de)(de),為保護測(ce)量(liang)的(de)(de)(de)準確度(du)和穩定性(xing),應盡量(liang)避免在(zai)(zai)酸性(xing)、堿性(xing)...
10-28
Cod濕(shi)(shi)(shi)度(du)(du)傳感(gan)器(qi)(qi)的(de)(de)元(yuan)(yuan)件主要(yao)有電容(rong)式(shi)和電阻式(shi)兩大類。該(gai)儀器(qi)(qi)用(yong)(yong)(yong)于(yu)濕(shi)(shi)(shi)度(du)(du)測(ce)量,應(ying)用(yong)(yong)(yong)廣(guang)泛(fan),除了(le)氣(qi)象(xiang)、科研部門外,還應(ying)用(yong)(yong)(yong)在(zai)高(gao)溫、濕(shi)(shi)(shi)度(du)(du)測(ce)控(kong)的(de)(de)領域里。其在(zai)基片上覆蓋一層用(yong)(yong)(yong)感(gan)濕(shi)(shi)(shi)材料制成的(de)(de)膜,當(dang)空氣(qi)中(zhong)的(de)(de)水(shui)蒸氣(qi)吸附(fu)在(zai)感(gan)濕(shi)(shi)(shi)膜上時,元(yuan)(yuan)件的(de)(de)電阻率和電阻值都(dou)發(fa)生變化,利用(yong)(yong)(yong)這一特性即(ji)可測(ce)量濕(shi)(shi)(shi)度(du)(du)。該(gai)儀器(qi)(qi)能感(gan)受氣(qi)體中(zhong)水(shui)蒸氣(qi)含(han)量,并轉(zhuan)換成可用(yong)(yong)(yong)輸出信號(hao)的(de)(de)傳感(gan)器(qi)(qi)。主要(yao)應(ying)用(yong)(yong)(yong)于(yu)機械工程、傳感(gan)器(qi)(qi)、氣(qi)體及(ji)濕(shi)(shi)(shi)度(du)(du)傳感(gan)器(qi)(qi)等方(fang)面。如果(guo)沒有的(de)(de)控(kong)溫手(shou)段,或者被測(ce)空間(jian)是非密封的(de)(de)±5%RH的(de)(de)精(jing)度(du)(du)就夠了(le)。對于(yu)要(yao)求控(kong)制恒溫、恒濕(shi)(shi)(shi)的(de)(de)...
7-26
BOD分析儀的方法原理:生(sheng)(sheng)(sheng)物化(hua)(hua)學需氧量(BOD)定義為:在(zai)規(gui)定的條件下,微(wei)生(sheng)(sheng)(sheng)物分解(jie)存在(zai)水(shui)(shui)中的某些可(ke)(ke)氧化(hua)(hua)物質(zhi),特別是有(you)(you)機物所(suo)進行(xing)的生(sheng)(sheng)(sheng)物化(hua)(hua)學過(guo)程所(suo)消耗的溶解(jie)氧量。該過(guo)程進行(xing)的時間很長,如在(zai)20℃培養(yang)條件下,全過(guo)程需100天,根據目前(qian)統一(yi)規(gui)定,在(zai)20±1℃的溫度下,培養(yang)五天后測(ce)出的結(jie)果,稱為五日生(sheng)(sheng)(sheng)化(hua)(hua)需氧量,記為BOD5,其(qi)單(dan)位用質(zhi)量濃度mg/L表(biao)示。對于一(yi)般生(sheng)(sheng)(sheng)活污水(shui)(shui)和工業廢水(shui)(shui),雖然(ran)含較多有(you)(you)機物,如果樣(yang)品(pin)含有(you)(you)足夠的微(wei)生(sheng)(sheng)(sheng)物和具有(you)(you)足夠氧氣,就(jiu)可(ke)(ke)以將樣(yang)品(pin)直接進行(xing)測(ce)定,但為了保...
7-24
哈希氨(an)(an)(an)氮(dan)試(shi)(shi)劑使得氨(an)(an)(an)氮(dan)測試(shi)(shi)更為快速方便,廣泛應用于(yu)工業排口、地表水(shui)(shui)(shui)、原水(shui)(shui)(shui)、環境監測等水(shui)(shui)(shui)質(zhi)測試(shi)(shi)水(shui)(shui)(shui)中(zhong)氨(an)(an)(an)氮(dan),且(qie)易得到的(de)(de)結果。哈希氨(an)(an)(an)氮(dan)試(shi)(shi)劑的(de)(de)化學反應原理:氨(an)(an)(an)的(de)(de)化合物(wu)先(xian)與次氯(lv)酸鹽(yan)(yan)反應生成(cheng)(cheng)一(yi)氯(lv)胺(NH2Cl),一(yi)氯(lv)胺與水(shui)(shui)(shui)楊(yang)酸鹽(yan)(yan)反應生成(cheng)(cheng)5-氨(an)(an)(an)基水(shui)(shui)(shui)楊(yang)酸,在亞硝基鐵氰酸鹽(yan)(yan)的(de)(de)催化作(zuo)用下,5-氨(an)(an)(an)基水(shui)(shui)(shui)楊(yang)酸鹽(yan)(yan)被氧(yang)化成(cheng)(cheng)水(shui)(shui)(shui)楊(yang)酸靛酯(藍(lan)色化合物(wu)),藍(lan)色化合物(wu)在過量的(de)(de)亞硝基鐵氰酸鹽(yan)(yan)試(shi)(shi)劑(黃色溶液)環境中(zhong)顯綠色,溶液顏色與樣品中(zhong)氨(an)(an)(an)氮(dan)濃度呈正比。氨(an)(an)(an)氮(dan)試(shi)(shi)劑配制方法:分析試(shi)(shi)劑瓶共5個(ge);納式(shi)試(shi)(shi)劑A1000mL、納式(shi)試(shi)(shi)劑B...
7-18
光度計正常的使用,除(chu)了對(dui)儀器要足夠了解,也要對(dui)光度計維(wei)護清(qing)(qing)(qing)潔,接下來給大家介(jie)紹一些清(qing)(qing)(qing)潔方法(fa):1、嚴格遵循開、關(guan)機程(cheng)序。2、觀察管(guan)路(lu)的密閉性能,如(ru)果管(guan)路(lu)漏(lou)液(ye)(ye)應及時(shi)停(ting)止轉泵(beng),查清(qing)(qing)(qing)漏(lou)源(yuan)再次連(lian)接好管(guan)路(lu),應及時(shi)清(qing)(qing)(qing)除(chu)漏(lou)液(ye)(ye)避免液(ye)(ye)體腐蝕儀器表面。3、為(wei)了自身(shen)健康和(he)環境(jing)請(qing)你及時(shi)處理廢液(ye)(ye)。4、測試完成以后,用去離子水清(qing)(qing)(qing)洗泵(beng)管(guan)和(he)注射針(zhen)管(guan),并及時(shi)取下蠕動泵(beng)泵(beng)管(guan)卡,避免泵(beng)管(guan)長時(shi)間壓制變形(xing)而影響(xiang)其壽命(ming)。變形(xing)后可用10%鹽酸浸泡48小時(shi),用去離子水清(qing)(qing)(qing)洗干凈備用。5、泵(beng)管(guan)使用一段(duan)時(shi)間后,應隨時(shi)向泵(beng)管(guan)與泵(beng)頭間...
7-12
在(zai)線(xian)溶解(jie)氧(yang)分析(xi)儀(yi)的(de)應(ying)用(yong)越來越廣泛。在(zai)線(xian)溶解(jie)氧(yang)分析(xi)儀(yi)是(shi)高智能化在(zai)線(xian)連續監(jian)測儀(yi)。可以配極譜式電極,自(zi)動實現從ppb級到ppm級的(de)寬范(fan)圍測量(liang)(liang),是(shi)檢測鍋爐給水、凝結水、環保(bao)污水等行業的(de)液體中氧(yang)含(han)量(liang)(liang)測量(liang)(liang)的(de)儀(yi)器(qi)。其具有響應(ying)快、穩定、可靠、使(shi)(shi)用(yong)費用(yong)低等特點(dian),適合(he)火力(li)發電廠大量(liang)(liang)使(shi)(shi)用(yong)。在(zai)線(xian)溶解(jie)氧(yang)分析(xi)儀(yi)的(de)性能特點(dian):全中文顯(xian)示,界面美(mei)觀:所有的(de)數據(ju)、狀態(tai)和操作提示都是(shi)中文顯(xian)示。簡單的(de)菜單結構,文本式的(de)人(ren)機對話:使(shi)(shi)用(yong)起來更清晰、方便(bian)。可以不用(yong)說明書,按(an)照屏幕上(shang)的(de)提示就可操作。多參(can)數同(tong)時顯(xian)示:在(zai)一屏上(shang)...