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clearfix"><h1>江蘇自動(dòng)PH計(jì)廠家供應(yīng) 上海博取環(huán)境技術(shù)供應(yīng)</h1><div id="s8moy8e" class="proBig"><div id="d2i8tgn" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637190815951630860/1960709.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7qxzry7" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637190815951630860/1960709.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="fegy7up" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇自動(dòng)PH計(jì)廠家供應(yīng),PH計(jì)</p><p><span>***更新：</span>2020-07-08 10:22:37</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8qnphya" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海博取環(huán)境技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>吳龐博</p><p><span>郵箱: </span>2355456207@qq.com</p><p><span>電話: </span>15900820461</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-20966896</p><p><span>地址: </span>南匯新城鎮(zhèn)海洋一路333號(hào)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="lurja3g" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="pew8mjg" class="box"><p><p> 造成長(zhǎng)久性堵塞。（二）使用一、pH計(jì)使用1.將電極從電極保護(hù)液中取出沖洗干凈，用無(wú)塵紙吸干后置于待測(cè)溶液中（待測(cè)液一定要沒過(guò)電極泡），按開機(jī)鍵打開pH計(jì)，pH計(jì)自動(dòng)進(jìn)入測(cè)定界面，然后按“measuresave/p”鍵，等待讀數(shù)穩(wěn)定后即可讀數(shù)。，將電極沖洗干凈用無(wú)塵紙吸干，充分浸泡電極保護(hù)液中。電極保護(hù)液要及時(shí)更換，一星期更換一次。二、pH計(jì)的校準(zhǔn)1，江蘇自動(dòng)PH計(jì)廠家供應(yīng).將pH值分別為，，。2.按開機(jī)鍵打開pH計(jì)，將電極沖洗干凈用無(wú)塵紙吸干后置于pH為。按“calibrate”鍵到，等待讀數(shù)穩(wěn)定且讀數(shù)前面的光標(biāo)閃爍時(shí)，按“數(shù)字編輯”鍵，調(diào)節(jié)pH計(jì)讀數(shù)到標(biāo)準(zhǔn)液的pH值。接著按“calibrate”鍵進(jìn)入。3.將電極沖洗干凈用無(wú)塵紙吸干后置于pH為，等待讀數(shù)穩(wěn)定且讀數(shù)前面的光標(biāo)閃爍時(shí)，按“數(shù)字編輯”鍵，調(diào)節(jié)pH計(jì)讀數(shù)到標(biāo)準(zhǔn)液的pH值。然后按“calibrate”鍵進(jìn)入。4.將電極沖洗干凈用無(wú)塵紙吸干后置于pH為，等待讀數(shù)穩(wěn)定且讀數(shù)前面的光標(biāo)閃爍時(shí)，按“數(shù)字編輯”鍵，調(diào)節(jié)pH計(jì)讀數(shù)到標(biāo)準(zhǔn)液的pH值。5.按“measuresave/p”鍵保存校正結(jié)果，得出三點(diǎn)校準(zhǔn)后的直線斜率。若直線斜率在100±3范圍內(nèi)，且測(cè)定另外兩個(gè)標(biāo)準(zhǔn)緩沖液的pH值在±，則此次校準(zhǔn)有效，江蘇自動(dòng)PH計(jì)廠家供應(yīng)。否則需重新校準(zhǔn)，江蘇自動(dòng)PH計(jì)廠家供應(yīng)。玻璃電極的重復(fù)性誤差和參比電極的溶液接界電勢(shì)穩(wěn)定性都不優(yōu)于0.01pH.江蘇自動(dòng)PH計(jì)廠家供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇自動(dòng)PH計(jì)廠家供應(yīng),PH計(jì)" src="http://tyunfile.71360.com/UploadFile/boqu123/637190815951630860/1960709.jpg"></div><p> 則需要、、。校正順序根據(jù)不同儀器情況也各有區(qū)別，有的要求按順序校準(zhǔn)，有的則沒有要求，儀器會(huì)自動(dòng)識(shí)別，需要參見相關(guān)儀器使用說(shuō)明書。2、不管是什么樣的pH計(jì)，pH=7這個(gè)點(diǎn)是必須校正的，而且在兩點(diǎn)校正的時(shí)候要先校正pH=7這個(gè)點(diǎn)。做校正時(shí)從，選擇的標(biāo)準(zhǔn)液與要測(cè)定的溶液的PH值有關(guān)，使溶液的PH值能落在校正的PH范圍內(nèi)。一般采用兩點(diǎn)就可以滿足要求，如果對(duì)其要求很高，才考慮第三點(diǎn)的。有些儀器能校正三點(diǎn)，有模式可選，可直接用該模式。有些沒有的，一般是采用兩點(diǎn)兩點(diǎn)校對(duì)，即校對(duì)兩次。3、我們通常用的是7，4，10的校準(zhǔn)次序。先校酸后校堿。那么閑置了很久的PH計(jì)，而且電極也沒放在保護(hù)液里，要怎樣活化電極以及校正？需要注意些什么？標(biāo)準(zhǔn)校正液要怎么配？使用PH計(jì)要注意些什么細(xì)節(jié)呢？（一）保養(yǎng)1、pH玻璃電極的貯存短期：貯存在pH=4的緩沖溶液中；長(zhǎng)期：貯存在pH=7的緩沖溶液中。2、pH玻璃電極的清洗玻璃電極球泡受污染可能使電極響應(yīng)時(shí)間加長(zhǎng)。可l4或皂液揩去污物，然后浸入蒸餾水一晝夜后繼續(xù)使用。污染嚴(yán)重時(shí)，可用5%HF溶液浸10～20分鐘，立即用水沖洗干凈，然后浸入HCl溶液一晝夜后繼續(xù)使用。3、玻璃電極老化的處理玻璃電極的老化與膠層結(jié)構(gòu)漸進(jìn)變化有關(guān)。江蘇自動(dòng)PH計(jì)廠家供應(yīng)土壤pH值是土壤重要的基本性質(zhì)之一。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇自動(dòng)PH計(jì)廠家供應(yīng),PH計(jì)" src="http://tyunfile.71360.com/UploadFile/boqu123/637190816667128906/3720560.jpg"></div><p style="text-indent:25px">排放標(biāo)準(zhǔn)，是國(guó)家對(duì)人為污染源排入環(huán)境的污染物的濃度或總量所作的限量規(guī)定。通用的污染物排放標(biāo)準(zhǔn)規(guī)定一定范圍（全國(guó)或一個(gè)區(qū)域）內(nèi)普遍存在或危害較大的各種污染物的容許排放量，適用于各個(gè)行業(yè)。有的通用排放標(biāo)準(zhǔn)按不同排向(如水污染物按排入下水道、河流、湖泊、海域)分別規(guī)定容許排放量。排放標(biāo)準(zhǔn)：汽車排放是指從廢氣中排出的CO(一氧化碳)、HC+NOx(碳?xì)浠衔锖偷趸?、PM(微粒，碳煙)等有害氣體。從2004年1月1日起，北京將對(duì)機(jī)動(dòng)車的尾氣排放標(biāo)準(zhǔn)由歐洲I號(hào)改為歐洲II號(hào)，到2008年，則正式實(shí)施歐洲III號(hào)標(biāo)準(zhǔn)。</p><p> 智能化：pHG-206智能在線pH計(jì)采用高精度AD轉(zhuǎn)換和單片機(jī)微處理技術(shù)，能完成pH值測(cè)量、溫度測(cè)量、溫度自動(dòng)補(bǔ)償、儀表自檢等多種功能?？煽啃裕?jiǎn)伟褰Y(jié)構(gòu)，只有一塊線路板,沒有了復(fù)雜的功能開關(guān)、調(diào)節(jié)旋鈕和電位器?？垢蓴_能力強(qiáng)：采用器件，阻抗高達(dá)1012Ω的高阻輸入；電流輸出采用光電耦合隔離技術(shù)，抗干擾能力強(qiáng)，實(shí)現(xiàn)遠(yuǎn)傳。具有良好的電磁兼容性。防護(hù)等級(jí)高：防水防塵設(shè)計(jì)，適宜戶外使用(防護(hù)等級(jí)：IP65)。超薄尺寸、安裝簡(jiǎn)單、接線方便：有開孔式、壁掛式、管道式和室外安裝四種安裝方式，分離式后蓋可預(yù)先安裝，接線柱是插入式。25℃折算：對(duì)純水和加氨超純水進(jìn)行了25℃基準(zhǔn)溫度折算，實(shí)現(xiàn)了顯示25℃時(shí)的pH值，特別適合電廠多種水質(zhì)的測(cè)量。多參數(shù)同時(shí)顯示：在一屏上同時(shí)顯示pH值、溫度。采用高亮度的LED顯示模塊,主顯示以紅色10?10mm規(guī)格顯示pH值,醒目且可視距離遠(yuǎn)。RS485通訊接口：可方便聯(lián)入計(jì)算機(jī)進(jìn)行監(jiān)測(cè)和通訊。pHG-206智能在線pH計(jì)技術(shù)指標(biāo)：1、測(cè)量范圍：pH值0～，分度值；溫度0～80℃，分度值℃；電位值～；2、精度：pH值:?；溫度：?℃(0～℃)；3、自動(dòng)溫度補(bǔ)償范圍：0～℃，25℃為基準(zhǔn)；4、被測(cè)水樣：0～℃，；5、電子單元重復(fù)性誤差：?。pH計(jì)因電計(jì)設(shè)計(jì)的不同而類型很多，其操作步驟各有不同，因而pH計(jì)的操作應(yīng)嚴(yán)格按照其使用說(shuō)明書正確進(jìn)行。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇自動(dòng)PH計(jì)廠家供應(yīng),PH計(jì)" src="http://tyunfile.71360.com/UploadFile/boqu123/637190816659296875/8801237.jpg"></div><p> 6.使用完標(biāo)準(zhǔn)緩沖液后用封口膜密封放在干燥的地方，以備多次使用。當(dāng)所測(cè)的溶液pH值在小范圍內(nèi)時(shí)（如3-8），可以只用pH為。校準(zhǔn)完成后，若pH計(jì)使用頻繁，每2天校準(zhǔn)一次。如遇到下列情況，pH計(jì)需要重新校準(zhǔn)：（1）電極在空氣中暴露過(guò)久，如半小時(shí)以上時(shí)。（2）測(cè)量過(guò)酸（pH《2）或過(guò)堿（ph》12）的溶液后。（3）換過(guò)電極后。（三）注意1、電極不用時(shí)，充分浸泡電極保護(hù)液中。電極保護(hù)液要及時(shí)更換，一星期更換一次。切忌用洗滌液或其他吸水性試劑浸洗或浸泡在純水中。2、測(cè)量濃度較大的溶液時(shí)，盡量縮短測(cè)量時(shí)間，用后仔細(xì)清洗，防止被測(cè)液粘附在電極上而污染電極。3、清洗電極后，不要用無(wú)塵紙擦拭玻璃膜，而應(yīng)用無(wú)塵紙吸干，避免損壞玻璃薄膜、防止交叉污染，影響測(cè)量精度。4、測(cè)量中注意電極的銀—氯化銀內(nèi)參比電極應(yīng)浸入到球泡內(nèi)氯化物緩沖溶液中，當(dāng)外參比液少于1/3時(shí)，應(yīng)及時(shí)添加，避免電極顯示部分出現(xiàn)數(shù)字亂跳現(xiàn)象。使用時(shí)，注意將電極輕輕甩幾下。5、電極不能用于強(qiáng)酸、強(qiáng)堿或其他腐蝕性溶液。6、嚴(yán)禁在脫水性介質(zhì)如無(wú)水乙醇、重鉻酸鉀等中使用。7、pH標(biāo)準(zhǔn)緩沖液應(yīng)密封保存在干燥的地方。8、轉(zhuǎn)移出來(lái)的標(biāo)準(zhǔn)緩沖液必須盛在潔凈干燥的容器中。應(yīng)該經(jīng)常添加氯化鉀鹽橋溶液，保持液面高于銀/氯化銀絲。安徽官方PH計(jì)多少錢</p><p style="text-indent:25px">筆式pH計(jì)，一般制成單一量程，測(cè)量范圍狹窄，為**簡(jiǎn)便儀器。江蘇自動(dòng)PH計(jì)廠家供應(yīng)</p><p> （轉(zhuǎn)自/）兩溶液等積混合求溶液pH的：兩種強(qiáng)酸溶液，或兩種強(qiáng)堿溶液，或一種強(qiáng)酸溶液與一種強(qiáng)堿溶液等體積混合，當(dāng)兩溶液的pH值之和為14時(shí)，混合液pH＝7；當(dāng)兩溶液的pH值之和小于13時(shí)，混合液的pH值為原pH值小的加上；當(dāng)兩溶液的pH值之和大于15時(shí)，混合液的pH值為原pH值大的減去。若用pHA、pHB、pHC分別表示兩種溶液及混合液的pH值，且pHA＜pHB，當(dāng)pHA＋pHB＝14時(shí)，pHC＝7；當(dāng)pHA＋pHB＜13時(shí)，則pHC＝pHA＋；當(dāng)pHA＋pHB＞15時(shí)，則pHC＝pHB－。，或者說(shuō)，弱者是強(qiáng)者的陪襯。由于溶液的體積增加一倍，溶液的[H+]或[OH－]除2，。因此，pH＝2的鹽酸與pH＝6的鹽酸等體積混合，或與pH＝10的NaOH溶液等體積混合，以及用水稀釋一倍，其結(jié)果都一樣，pH值都是。。因?yàn)閮煞N強(qiáng)酸或兩種強(qiáng)堿溶液等體積混合時(shí)，若pH值相差1，混合液的pH值應(yīng)是±；強(qiáng)酸、強(qiáng)堿混合，pH值與pOH值相差1(即pH值之合為13或15)，應(yīng)是±；若以上相差值小于1，誤差就更大。另外，這一規(guī)律只適用于強(qiáng)酸、強(qiáng)堿，不適用于弱酸合弱堿；是等體積混合，而非不等體積混合。例1．(MCE81)pH＝5合pH＝3的兩種鹽酸，以等體積混合后，溶液的pH值是()：B。例2．pH＝2的鹽酸合pH＝12的NaOH溶液等體積混合后，溶液的pH值是()：B。江蘇自動(dòng)PH計(jì)廠家供應(yīng)</p><p style="text-indent:25px">上海博取環(huán)境技術(shù)有限公司是一家從事環(huán)境技術(shù)領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)服務(wù)、技術(shù)轉(zhuǎn)讓、水處理設(shè)備、化工原料及產(chǎn)品（除危險(xiǎn)化學(xué)品、監(jiān)控化學(xué)品、民用物品、易制毒化學(xué)品）、電子產(chǎn)品、五金交電、金屬材料、汽車配件的銷售，從事貨物及技術(shù)進(jìn)出口業(yè)務(wù)。（依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營(yíng)活動(dòng)）的公司，致力于成為客戶業(yè)務(wù)創(chuàng)新、儀器儀表可信賴的合作伙伴。公司自2019-04-11成立以來(lái)，投身于[ "PH計(jì)", "COD分析儀", "氨氮分析儀", "重金屬分析儀" ]，是儀器儀表的主力軍。公司終堅(jiān)持自主研發(fā)創(chuàng)新發(fā)展理念，不斷優(yōu)化的技術(shù)、產(chǎn)品為客戶帶來(lái)效益，目前年?duì)I業(yè)額達(dá)到700-1000萬(wàn)元。博取環(huán)境始終關(guān)注儀器儀表市場(chǎng)，以敏銳的市場(chǎng)洞察力以準(zhǔn)確定位，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/534525.html</p></div></div></div></div></div><div id="3ln7zbd" class="page-right twoColRt"><div id="nc8rdfm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="r8rdfh8" class="recomPic likePro"><a 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