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<div id="8aiq0oowy" class="clear"></div> <dl class="product_article"> <dt> <div id="8aiq0oowy" class="proimg_bk1"><a class="proimg1"><img src="http://img49.chem17.com/gxhpic_d55d0c909a/f34697d735b517a6b14bee7f07f481f75e17a36bcb384b1379d3ac0ad8c97b18d516149ea5b45a9e.jpg"/></a></div> </dt> <dd deep="3"> <div class="8aiq0oowy" id="prod_gs" class="prod_gs"> <div id="8aiq0oowy" class="prod_view_name"> <strong class="prod_view_name_bt">產(chǎn)品名稱：</strong> <b><h1 style="font-size: inherit"><span id="ShoveWebControl_Text3">國標bod5的測定方法傳統(tǒng)五日BOD檢測儀</span></h1></b> </div> <div class="8aiq0oowy" id="xn_c_prodv_26_wrap" class="xn_c_prodv_26_wrap"> <div id="8aiq0oowy" class="xn_c_prodv_26_name" style="line-height: 36px;"> <span id="8aiq0oowy" class="xn_c_prodv_26_namewz"><span name="_prodv_26_namewz">產(chǎn)品型號：</span></span> <span id="8aiq0oowy" class="xn_c_prodv_26_namemc"><span id="xn_c_prodv_26_Text1">JH-CY</span></span> </div> <div id="8aiq0oowy" class="xn_c_prodv_26_name" style="line-height: 36px;"> <span id="8aiq0oowy" class="xn_c_prodv_26_namewz"><span name="_prodv_26_namewz">產(chǎn)品時間：</span></span> <span id="8aiq0oowy" class="xn_c_prodv_26_namemc"><span id="xn_c_prodv_26_Text1">2024-07-15</span></span> </div> </div> <div class="8aiq0oowy" id="prod_view_ms" class="prod_view_ms"><span id="ShoveWebControl_Text7">國標bod5的測定方法傳統(tǒng)五日BOD檢測儀：</br> BOD（生物化學需氧量）是環(huán)境水質(zhì)標準和污、廢水排放標準中的控制項目，是衡量有機物對水質(zhì)污染質(zhì)量指標之一。JH-CY型BOD5測定儀廣泛適用于各級環(huán)保部門、水資源管理部門及公共衛(wèi)生部門對水質(zhì)的監(jiān)測與管理?？蓪Ω鞣N地表水、生活污水、工業(yè)廢水的BOD值進行測定。</span></div> </div> <p></p> </dd> </dl> <div id="8aiq0oowy" class="main_top3"><p>產(chǎn)品介紹</p></div> <div id="8aiq0oowy" class="product1 pro_1"> <p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"><strong>國標bod5的測定方法傳統(tǒng)五日BOD檢測儀</strong>技術參數(shù)：</span></span></span></p><table align="center" style="border-collapse:collapse; border-spacing:0px; empty-cells:show; font-family:arial,verdana,宋體; font-size:14px; font-stretch:normal; line-height:19.6px; margin:0px auto; padding:0px; text-align:justify; width:352pt"><tbody><tr><td><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">型號</span></span></span></p></td><td><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">JH-CY</span></span></span></p></td></tr><tr><td><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">讀數(shù)方式</span></span></span></p></td><td><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">水銀刻度</span></span></span></p></td></tr><tr><td><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">測量范圍</span></span></span></p></td><td><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">0～25、50、100、200、300、400、600、800、1000（mg/l）共九個量程</span></span></span></p></td></tr><tr><td><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">測定樣品數(shù)</span></span></span></p></td><td><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">8個</span></span></span></p></td></tr><tr><td><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">培養(yǎng)溫度</span></span></span></p></td><td><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">20℃±1℃</span></span></span></p></td></tr><tr><td><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">測試精度</span></span></span></p></td><td><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">符合部頒關于水質(zhì)BOD5精度測試標準（葡萄糖—谷氨酸標液BOD5=180~230mg/l）</span></span></span></p></td></tr><tr><td><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">電源</span></span></span></p></td><td><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">DC12V 500mA（已配轉換器）</span></span></span></p></td></tr></tbody></table><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"><img alt="" src="https://img71.chem17.com/gxhpic_d55d0c909a/5a21cd88fdcec41f5a967745da6b7ace628d688f24b26cf2cb66fca66b0c8c3698ce9d8db42a3636.jpg" style="height:800px; width:800px" /><br /><strong>國標bod5的測定方法傳統(tǒng)五日BOD檢測儀</strong>性能特點：</span></span></span></p><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">1.直觀性：直接讀出BOD值，無需化學滴定</span></span></span></p><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">2.連續(xù)性：可隨時了解微生物在試樣中對有機物的降解過程，繪出BOD變化規(guī)律曲線。</span></span></span></p><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">3.累加性：濃度過高超量程時，兩次結果可以累加</span></span></span></p><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">4.樣品BOD值在0～1000mg/l范圍內(nèi)無需稀釋</span></span></span></p><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">5.全系統(tǒng)密封，不受大氣壓變化影響，測定準確可靠</span></span></span></p><p> </p><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"><strong>儀器部件說明</strong><strong>（如圖1）</strong></span></span></span></p><p> </p><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"><img alt="" src="https://img70.chem17.com/gxhpic_d55d0c909a/5a21cd88fdcec41f5a967745da6b7ace4def0adb55c449060d8cd63344e32c11306e1a746858fee8.png" /></span></span></span></p><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"> 圖1</span></span></span></p><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">1、攪拌子 2、壓力計管 3、旋鈕 4、培養(yǎng)瓶 5、水樣</span></span></span></p><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">6、刻度尺 7、NaOH（固） 8、密封杯 9、培養(yǎng)瓶蓋 10、接頭</span></span></span></p><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"> 11、連接管 12、水柱蓋 13、密封圈 14、水柱 15、水</span></span></span></p><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"> 16、汞 17、密封管</span></span></span></p><p> </p><p style="margin-left:21.0000pt; margin-right:0.0000pt; text-align:justify"><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"><strong>①主機</strong></span></span></span></p><p style="margin-left:22.7000pt; margin-right:0.0000pt; text-align:justify"><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"> 在實驗時，主機放入培養(yǎng)箱內(nèi)，主機內(nèi)有8只磁力攪拌器，實驗過程中它帶動培養(yǎng)瓶內(nèi)的攪拌子對水樣進行攪拌，以促進培養(yǎng)瓶內(nèi)空氣中的氧氣溶解于樣品液中，保證在整個實驗過程中，水樣中的微生物有足夠的溶解氧進行生化反應。</span></span></span></p><p style="margin-right:0.0000pt; text-align:justify"><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"> <strong>②BOD培養(yǎng)瓶</strong></span></span></span></p><p style="margin-left:22.7000pt; margin-right:0.0000pt; text-align:justify"><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"> 樣品放人培養(yǎng)瓶中進行生化培養(yǎng)，該培養(yǎng)瓶經(jīng)過篩選處理，各臺儀器之間一般不可互換，亦不容許用其它類似的瓶代替。</span></span></span></p><p style="margin-left:22.7000pt; margin-right:0.0000pt; text-align:justify"><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"><img alt="" src="https://img70.chem17.com/gxhpic_d55d0c909a/5a21cd88fdcec41f5a967745da6b7acece4bf0c0e5280dadc937dc5815722929293df4e88704a8c4.jpg" style="height:800px; width:800px" /></span></span></span></p><p style="margin-left:21.7000pt; margin-right:0.0000pt; text-align:justify"><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"> </span></span></span></p><p style="margin-left:22.7000pt; margin-right:0.0000pt; text-align:justify"><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體">讓樣品穩(wěn)定1～2小時，可以消除掉樣品中，如果樣品含有高濃度，則需采用下述步驟：</span></span></span></p><p style="margin-left:22.7000pt; margin-right:0.0000pt; text-align:justify"><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"> 將1～2gKI加入100～200mL水樣中，然后加入硫酸（1十11）酸化樣品（pH約為1）。在此步驟中，余氯會釋放出碘，加入淀粉指示劑，用Na2S2O3溶液（N／40）滴定釋放出的碘，直至出現(xiàn)的蘭色退色，在另一份相同的水樣中，加入與滴定碘等量的Na2S2O3溶液，這一步驟將會減少樣品中的余氯，用此樣品測定BOD<sub>5</sub>。</span></span></span></p><p style="margin-left:22.7000pt; margin-right:0.0000pt; text-align:justify"><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"> ②樣品含有酚、重金屬、CN或其它有毒物</span></span></span></p><p style="margin-left:22.7000pt; margin-right:0.0000pt; text-align:justify"><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"> 用稀釋水稀釋樣品能夠排除這些物質(zhì)的干擾，然后在測定前使用接種液接種樣品。</span></span></span></p><p style="margin-left:22.7000pt; margin-right:0.0000pt; text-align:justify"><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"> ⑵接種的適宜環(huán)境（適應于微生物的培養(yǎng)）</span></span></span></p><p style="margin-left:22.7000pt; margin-right:0.0000pt; text-align:justify"><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"> 許多生活污水能夠用作接種液，然而，如果試驗樣品含有酚、甲醛和一些其他抑制細菌生長的物質(zhì)，那么在BOD<sub>5</sub>測定前應將適宜環(huán)境的接種液加入此樣品中。</span></span></span></p><p style="margin-left:22.7000pt; margin-right:0.0000pt; text-align:justify"><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"> 通常，接種的適宜環(huán)境可以在適合于曝氣處理的不銹鋼或非金屬容器中進行。</span></span></span></p><p><span style="color:#000000"><span style="font-size:16px"><span style="font-family:黑體"><img alt="" src="https://img68.chem17.com/gxhpic_d55d0c909a/5a21cd88fdcec41f5a967745da6b7ace3735e1e166b54c5c8e4c350a6b4946f3147554e2e8b1d537.jpg" style="height:800px; width:800px" 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