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href="http://www.cdcfah.com/cp/third-fenxiyiqinh_szfxykr/">水質分析儀</a>?山西原裝PH計上海博取環(huán)境技術供應</p><div id="nxhoq7r" class="leftbox clearfix"><h1>山西原裝PH計上海博取環(huán)境技術供應</h1><div id="p88jgkb" class="proBig"><div id="2k2gnpr" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637190816659296875/202440.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="p8wdph3" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637190816659296875/202440.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="37eg3ce" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>產品關鍵詞：</span>山西原裝PH計</p><p><span>***更新：</span>2020-06-27 12:23:20</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="8qzvxoq" 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: </span>021-20966896</p><p><span>地址: </span>南匯新城鎮(zhèn)海洋一路333號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="gahjacz" class="page-proshow02"><p class="title">詳細說明</p><div id="etqnkro" class="box"><p><p> 這并非特別先進的“高科技”過程，而是電極制造中非常關鍵且重要的一步。事實上，玻璃厚度決定了其電阻，進而影響其輸出。溫度補償由于pH電極和pH測量均對溫度敏感，因此儀器設有溫度補償功能。溫度可通過手動或自動方式進行補償。手動補償功能需要單獨測量溫度值，山西原裝PH計，可采用近似溫度值來設置pH計的手動補償溫度。在自動補償（ATC）設置中，山西原裝PH計，單獨溫度探頭中的信號會傳輸至pH計，因此能準確地確定樣本在該溫度下的pH值。緩沖溶液緩沖溶液是指具有恒定pH值且能夠避免pH值大幅度變化的溶液。緩沖溶液通常用于校準pH測量系統(tǒng)（電極和測量計）。兩個電極的輸出之間可能存在微小差異，而且電極輸出隨著時間推移也會產生變化，山西原裝PH計。因此，必須定期校準pH測量系統(tǒng)。緩沖溶液適用于各種pH值，它們既可以是預混合的液體，也可以是方便使用的干粉膠囊。大多數(shù)pH計需要針對數(shù)個pH值進行校準。***個校準數(shù)值通常是在等電位點（電極在pH7，25℃條件下所產生的信號為0mV）附近，第二個校準數(shù)值通常是pH4或pH10。比較好選擇盡可能接近被測樣本實際pH值的緩沖溶液。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西原裝PH計" src="http://tyunfile.71360.com/UploadFile/boqu123/637190816659296875/202440.jpg"></div><p style="text-indent:25px">上海博取環(huán)境技術有限公司是國內大型的水質分析儀器、自動化儀器儀表專業(yè)的生產制造企業(yè)，具有**的產品研發(fā)中心，以及齊全的工藝設備和檢測設備，為制造出性能優(yōu)良、質量可靠的產品奠定了堅實的基礎。上海博取環(huán)境技術有限公司經(jīng)過多年的經(jīng)營建立了完善的產品體系。通過傳統(tǒng)渠道和互聯(lián)網(wǎng)渠道相結合的方式，形成了完整的營銷脈絡，使貿易方式更加***豐富。上海博取儀器有限公司把質量服務視為企業(yè)的生命，為使廣大用戶享受完整的配套服務, 完善的技術咨詢及完美的售后服務, 多年來產品服務不斷升級，得到廣大用戶的一致好評!!歡迎大家來我們公司實地考察!</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西原裝PH計" src="http://tyunfile.71360.com/UploadFile/boqu123/637190816659101563/4873436.jpg"></div><p> 6.使用完標準緩沖液后用封口膜密封放在干燥的地方，以備多次使用。當所測的溶液pH值在小范圍內時（如3-8），可以只用pH為。校準完成后，若pH計使用頻繁，每2天校準一次。如遇到下列情況，pH計需要重新校準：（1）電極在空氣中暴露過久，如半小時以上時。（2）測量過酸（pH《2）或過堿（ph》12）的溶液后。（3）換過電極后。（三）注意1、電極不用時，充分浸泡電極保護液中。電極保護液要及時更換，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、測量濃度較大的溶液時，盡量縮短測量時間，用后仔細清洗，防止被測液粘附在電極上而污染電極。3、清洗電極后，不要用無塵紙擦拭玻璃膜，而應用無塵紙吸干，避免損壞玻璃薄膜、防止交叉污染，影響測量精度。4、測量中注意電極的銀—氯化銀內參比電極應浸入到球泡內氯化物緩沖溶液中，當外參比液少于1/3時，應及時添加，避免電極顯示部分出現(xiàn)數(shù)字亂跳現(xiàn)象。使用時，注意將電極輕輕甩幾下。5、電極不能用于強酸、強堿或其他腐蝕性溶液。6、嚴禁在脫水性介質如無水乙醇、重鉻酸鉀等中使用。7、pH標準緩沖液應密封保存在干燥的地方。8、轉移出來的標準緩沖液必須盛在潔凈干燥的容器中。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/410854.html</p></div></div></div></div></div><div id="8x7jvnu" class="page-right twoColRt"><div id="wgd727n" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="c8mj2qd" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應" 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