• <tr id='vvvhzO'><strong id='vvvhzO'></strong><small id='vvvhzO'></small><button id='vvvhzO'></button><li id='vvvhzO'><noscript id='vvvhzO'><big id='vvvhzO'></big><dt id='vvvhzO'></dt></noscript></li></tr><ol id='vvvhzO'><option id='vvvhzO'><table id='vvvhzO'><blockquote id='vvvhzO'><tbody id='vvvhzO'></tbody></blockquote></table></option></ol><u id='vvvhzO'></u><kbd id='vvvhzO'><kbd id='vvvhzO'></kbd></kbd>

    <code id='vvvhzO'><strong id='vvvhzO'></strong></code>

    <fieldset id='vvvhzO'></fieldset>
          <span id='vvvhzO'></span>

              <ins id='vvvhzO'></ins>
              <acronym id='vvvhzO'><em id='vvvhzO'></em><td id='vvvhzO'><div id='vvvhzO'></div></td></acronym><address id='vvvhzO'><big id='vvvhzO'><big id='vvvhzO'></big><legend id='vvvhzO'></legend></big></address>

              <i id='vvvhzO'><div id='vvvhzO'><ins id='vvvhzO'></ins></div></i>
              <i id='vvvhzO'></i>
            1. <dl id='vvvhzO'></dl>
              1. <blockquote id='vvvhzO'><q id='vvvhzO'><noscript id='vvvhzO'></noscript><dt id='vvvhzO'></dt></q></blockquote><noframes id='vvvhzO'><i id='vvvhzO'></i>

                技术文章

                实验室的玻璃仪器保管经验

                2021-02-10 11:05:52

                  1.移液管可置于有盖的搪瓷盘、盒中,垫以清洁滤纸;

                  2.滴定管可倒置于滴定架上,或盛满蒸馏水、上口加套指形管或小烧杯。使用中的滴定管(内盛试液)在操作暂停期间也应加套〗以防沾污;

                  3.清洁的比色皿、比色管、离心管要收在专用盒内,或倒置在铺垫滤纸的专用架上;

                  4.具有磨口塞的清洁玻璃仪器如量瓶、称量瓶,碘量瓶、试剂瓶等要衬纸加塞保存;

                  5.凡有配套塞、盖的玻璃仪器,如比重瓶、称量瓶、量瓶、分液漏斗、比色管、滴定管等都必须保持原装配套,不得拆散使用和存放;

                  6.专用的组合式仪器如凯氏微量定氮仪、K-D蒸发□浓缩器、旋转蒸发浓缩器等洗净后应加罩防尘。

                网站首页
                人工智能
                展会资讯
                联系我们