北京質(zhì)量PH計(jì)質(zhì)量商家上海博取環(huán)境技術(shù)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 調(diào)節(jié)定位旋鈕使儀器示值為標(biāo)準(zhǔn)溶液的pHs值。（2）取出電極洗凈甩干，浸入第二種標(biāo)準(zhǔn)溶液中。待示值穩(wěn)定后，調(diào)節(jié)儀器斜率旋鈕，使儀器示值為第二種標(biāo)準(zhǔn)溶液的pHs值。（3）取出電極洗凈并甩干，再浸入"><meta name="keywords" content="北京質(zhì)量PH計(jì)質(zhì)量商家,PH計(jì)"><link rel="canonical" href="http://m.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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class="leftbox clearfix"><h1>北京質(zhì)量PH計(jì)質(zhì)量商家上海博取環(huán)境技術(shù)供應(yīng)</h1><div id="lprtarl" class="proBig"><div id="gprovsp" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637190816665751953/8582595.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wldvcwy" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/boqu123/637190816665751953/8582595.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="txzw22i" 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>北京質(zhì)量PH計(jì)質(zhì)量商家,PH計(jì)</p><p><span>***更新：</span>2020-09-27 08:13:58</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="dxj2uwt" 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="gkhrn8o" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="g77gsfh" class="box"><p><p> 調(diào)節(jié)定位旋鈕使儀器示值為標(biāo)準(zhǔn)溶液的pHs值。（2）取出電極洗凈甩干，浸入第二種標(biāo)準(zhǔn)溶液中。待示值穩(wěn)定后，調(diào)節(jié)儀器斜率旋鈕，使儀器示值為第二種標(biāo)準(zhǔn)溶液的pHs值。（3）取出電極洗凈并甩干，再浸入。如果誤差超過，則重復(fù)第（1）、（2）步驟，直至在二種標(biāo)準(zhǔn)溶液中不需要調(diào)節(jié)旋鈕都能顯示正確pHs值。（4）取出電極并甩干，將pH溫度補(bǔ)償旋鈕調(diào)節(jié)至樣品溶液溫度，將電極浸入樣品溶液，晃動(dòng)后靜止放置，顯示穩(wěn)定后讀數(shù)。三、PH計(jì)的第三點(diǎn)校準(zhǔn)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。ph計(jì)怎么校準(zhǔn)三點(diǎn)法_ph計(jì)校準(zhǔn)三點(diǎn)校準(zhǔn)步驟用，如果再需要第三點(diǎn)是該用，，，？該如何確定？1、其實(shí)，pH采第三點(diǎn)校正是多少，主要還是取決于你的樣品情況。正如你所說，校準(zhǔn)溶液從，根據(jù)樣品**終PH值范圍決定選用合適的校準(zhǔn)溶液，北京質(zhì)量PH計(jì)質(zhì)量商家。我們常用的是，，，如果你的樣品更偏近于堿性。PH酸度計(jì)儀器的級(jí)別0.2級(jí)、0，北京質(zhì)量PH計(jì)質(zhì)量商家.1級(jí)、0.02級(jí)、0，北京質(zhì)量PH計(jì)質(zhì)量商家.01級(jí)、0.001級(jí).北京質(zhì)量PH計(jì)質(zhì)量商家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京質(zhì)量PH計(jì)質(zhì)量商家,PH計(jì)" src="http://tyunfile.71360.com/UploadFile/boqu123/637190816665751953/8582595.jpg"></div><p> A正確。又由于溶液中，陰離子電荷總數(shù)與陽離子電荷總數(shù)相等，D也正確。本題應(yīng)選A、D。例6.將pH為6的鹽酸與pH為4的鹽酸等體積混合后，溶液中氫氧根離子濃度(mol/L)**接近()A.(10-8＋10-10)××10-10－5×＋10-10解析：按，混合液的pH＝，即pOH＝。將各選項(xiàng)舍去[OH-]小的，求pOH。＝－lg(5×10-9)＜9；B.；C.－lg(－5×10-5)，舍去；。應(yīng)選B。例7.把10mLpH＝10的強(qiáng)堿溶液小心地加入10mLpH＝4的某酸溶液中，在完全反應(yīng)后的溶液中滴入紫色的石蕊試液時(shí)，溶液顯紅色，則此酸為()A.一元強(qiáng)酸B.二元強(qiáng)酸C.任何強(qiáng)酸D.弱酸解析：根據(jù)，若某酸為強(qiáng)酸，則混合液的pH值應(yīng)為7。故可排除A、B、C，因此應(yīng)選D。例8.等體積混合mol/L鹽酸合mol/LBa(OH)2溶液后，溶液的pH值等于()：堿中[OH-]＝mol/L，pH＞13，鹽酸中pH＝1，混合液的pH應(yīng)＞13－＞12，故應(yīng)選A。例＝2的鹽酸與pH＝13的NaOH溶液按體積比10∶1混合，混合液的pH值**接近于()：可將NaOH溶液體積增大10倍，使與酸溶液成等體積混合，這時(shí)堿溶液的pH＝12，由于2＋12＝14，故混合液pH＝7，應(yīng)選C。例10．4體積pH＝9的Ca(OH)2溶液與1體積pH＝13的NaOH溶液混合后，溶液中氫離子濃度為()×10-13mol/×10-12mol/LC.×(1×10-1＋4×10-5)mol/LD.。北京質(zhì)量PH計(jì)質(zhì)量商家電計(jì)示值誤差(pH)±0.1、±0.05、±0.01、±0.01、±0.002.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京質(zhì)量PH計(jì)質(zhì)量商家,PH計(jì)" src="http://tyunfile.71360.com/UploadFile/boqu123/637190815948867188/5427677.jpg"></div><p> 堿性更強(qiáng)）并降低低pH值（酸性更強(qiáng)），使pH值遠(yuǎn)離中性。是否需要采取溫度補(bǔ)償，取決于所需的pH準(zhǔn)確度。比如，如果準(zhǔn)確度要求為±pH，那么當(dāng)pH為6且溫度為45℃（113℉）時(shí)，誤差為，仍滿足準(zhǔn)確度要求。另一方面，在pH為10且溫度為55℃（131℉）時(shí)的誤差為pH，如果要求±pH的準(zhǔn)確度，則須進(jìn)行補(bǔ)償?？赏ㄟ^一種或者兩種方式進(jìn)行補(bǔ)償。如果溫度出現(xiàn)波動(dòng)，則應(yīng)采用自動(dòng)補(bǔ)償器。如果溫度變化范圍*有數(shù)攝氏度，則應(yīng)采用手動(dòng)補(bǔ)償器。如果無須采用補(bǔ)償器，可在溫度補(bǔ)償器端子上安裝一個(gè)固定電阻。上述任何一種裝置——自動(dòng)補(bǔ)償、溫度補(bǔ)償或者固定電阻——均是pH計(jì)電路的一項(xiàng)功能。同樣，須從測(cè)量計(jì)制造商處獲取信息和零部件。如果采用自動(dòng)補(bǔ)償器，必須與pH電極安裝在同一位置。當(dāng)在緩沖液中進(jìn)行校準(zhǔn)時(shí)，溫度補(bǔ)償器也應(yīng)當(dāng)處于緩沖液中。按同樣的方式，在校準(zhǔn)和工作過程中，也應(yīng)當(dāng)調(diào)整手動(dòng)溫度補(bǔ)償器以反映pH電極所處的溫度。如何校準(zhǔn)pH計(jì)？以下是大多數(shù)pH測(cè)量計(jì)的通用方法。某些pH測(cè)量計(jì)要求采取稍微不同的技術(shù)。請(qǐng)閱讀特定流程說明。1.測(cè)量計(jì)上的溫度設(shè)定必須與所采用的緩沖液溫度相對(duì)應(yīng)，或者必須采用自動(dòng)溫度補(bǔ)償器。2.如果采用自動(dòng)溫度補(bǔ)償功能。</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，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。什么是pH？pH是拉丁文“Pondus hydrogenii”一詞的縮寫（Pondus=壓強(qiáng)、壓力hydrogenium=氫）.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京質(zhì)量PH計(jì)質(zhì)量商家,PH計(jì)" src="http://tyunfile.71360.com/UploadFile/boqu123/637190816659296875/8801237.jpg"></div><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。可靠性：?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。抗干擾能力強(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：?。如果待測(cè)溶液呈堿性，則選用pH9標(biāo)準(zhǔn)緩沖液。北京自動(dòng)PH計(jì)報(bào)價(jià)</p><p style="text-indent:25px">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.北京質(zhì)量PH計(jì)質(zhì)量商家</p><p> 專業(yè)水質(zhì)檢測(cè)（監(jiān)測(cè)）分析儀器儀表公司，中國(guó)**的水質(zhì)檢測(cè)分析儀提供商。公司依據(jù)國(guó)家標(biāo)準(zhǔn)及市場(chǎng)需求，考察對(duì)比國(guó)內(nèi)外大量水質(zhì)分析儀。自主研發(fā)便捷式水檢測(cè)分析儀以及多種快速檢測(cè)方法，使得我們的水質(zhì)分析簡(jiǎn)單、快速、準(zhǔn)確。取得多項(xiàng)國(guó)家專利，為水質(zhì)檢測(cè)分析領(lǐng)域提供了有效的技術(shù)設(shè)備，為我國(guó)水資源保護(hù)，水質(zhì)監(jiān)測(cè)分析等作出了突出貢獻(xiàn)的****。公司產(chǎn)品包括：(余氯儀、濁度儀（濁度計(jì)）、在線余氯儀、在線濁度儀、工業(yè)在線pH計(jì)、色度儀、cod測(cè)定儀、電導(dǎo)率儀等多種水質(zhì)檢測(cè)分析儀器儀表1.濁度儀采用了光雙光路檢測(cè)系統(tǒng)，使儀器在檢測(cè)時(shí)更精確、穩(wěn)定。但價(jià)格*進(jìn)口儀器的1/3。2.色度儀檢測(cè)快速方便。特別注意：通常老式的色度儀只能測(cè)表色度，遇到高濁度水的干擾時(shí)，誤差極大，而我們的色度儀是能測(cè)量含有高濁度水的色度儀。3.多參數(shù)水質(zhì)分析儀集成了離子儀、濁度和色度儀，參數(shù)多達(dá)42個(gè)。4.色度濁度儀采用自動(dòng)變光技術(shù)，性能優(yōu)于其他同類產(chǎn)品。5.離子檢測(cè)分析儀測(cè)量精度突破了傳統(tǒng)離子儀5%誤差的瓶頸，采用五點(diǎn)校正，分辨率高達(dá)。6.我們的水分析儀器開機(jī)無需預(yù)熱，內(nèi)置標(biāo)準(zhǔn)曲線，含斷電保護(hù)。界面人性化，操作方便。北京質(zhì)量PH計(jì)質(zhì)量商家</p><p style="text-indent:25px">上海博取環(huán)境技術(shù)有限公司主要經(jīng)營(yíng)范圍是儀器儀表，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司業(yè)務(wù)分為PH計(jì)，COD分析儀，氨氮分析儀，重金屬分析儀等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在儀器儀表深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造儀器儀表良好品牌。博取環(huán)境秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1440792.html</p></div></div></div></div></div><div id="774r7sh" class="page-right twoColRt"><div id="dskh3el" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ys2nxj8" class="recomPic likePro"><a href="http://m.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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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