蓝翔仪器TQ-L3碳氢元素分析�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:16px;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">煤中的碳和氢在氧气中燃烧时，生成二氧化碳和水，国家标准GBT 476-2001采用吸收法测定二氧化碳和水，从而间接求得碳和氢的含量。本实验采用国家标准规定的方法、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-size: 16px;"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 21px;">蓝翔</span><span style="font-family: 微软雅黑; color: rgb(0, 0, 0); letter-spacing: 0px; font-size: 21px;">碳氢分析�?/span><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 21px;">构造：掌握三节炉法测定煤中碳、氢含量的基本方法。了解三节炉的结构和燃烧的填充方法，并学会实验操作、�/span></span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;"> </span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:56px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 21px;"><span style="font-size: 16px; font-family: 微软雅黑;">一�?nbsp;</span>测碳与请需要实验试剂和材料</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:64px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">1. 碱石棉：化学纯，粒度1-2mm；或碱石棉；化学纯，粒度0.5-2mm、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:64px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">2. 无水氯化钙：化学纯，粒度2-5mm ;或无水高氯酸镁：化学纯，粒度1-3 、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:64px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">3. 氧化铛�化学纯，线状（长�?mm）、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:64px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">4. 铬酸铅：分析纯，粒度1-4mm、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:64px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">5. 银丝卷：丝直径约0.25mm、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:64px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">6. 铜丝卷：丝直径约0.5mm、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:64px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">7. 氧气�?9.9%,不含氢。氧气钢瓶需配有可调节流量的带减压阀的压力表（可使用医用氧气吸入器）、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:64px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">8. 三氧化钨：分析纯、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:64px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">9. 粒状二氧化锰：化学纯，市售或用硫酸锰和高锰酸钾制备、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:64px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">10. 制法：称�?5g硫酸锰，溶于500ml蒸馏水中，另称取16.4g高锰酸钾，溶�?00ml蒸馏水中。两溶液分别加热�?0-60℃。在不断搅拌下将高锰酸钾溶液慢慢注入硫酸锰溶液中，并加入剧烈搅拌。然后加�?0ml�?+1）硫酸。将溶液加热�?0-80℃并继续搅拌5min，停止加热，静止2-3h。用热蒸馏水以倾泻法洗至中性。将沉淀移至漏斗过滤，出去水分，然后放入干燥箱中，在150℃左右干�?-3h，得到褐色、疏松状的二氧化锰，小心破碎和过筛，取粒�?.5-2mm的备用、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:64px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">11. 真空硅脂、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:64px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">12. 硫酸：化学纯、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:64px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">13. 带磨口塞的玻璃管或小型干燥器（不放干燥剂）、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:56px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 21px;"><span style="font-size: 16px; font-family: 微软雅黑;">二�?nbsp;</span>碳氢实验普通工具和配件</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:40px;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">1.分析天平</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:56px;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">感量0.1mg</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:40px;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-size: 16px;"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 21px;">2.</span><span style="font-family: 微软雅黑; color: rgb(0, 0, 0); letter-spacing: 0px; font-size: 21px;">蓝翔碳氢测定�?/span><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 21px;">组成</span></span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:56px;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">包括净化系统、燃烧装置和吸收系统三个主要部分、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:40px;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">1.净化系� 用来脱除氧气中的二氧化碳和水。包括以下部件、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:56px;text-indent:0;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; letter-spacing: 0px; font-size: 16px;">气体干燥塔：容量500ml�?个，一个上部（�?/3）装无水氯化钙（或无水高氯酸镁），下部（�?/3）装碱石棉（或碱石灰）；另一个装无水氯化钙（或无水高氯酸镁）、�/span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:56px;padding:0 0 0 0 ;background:rgb(255,255,255)"><span style="font-family: 微软雅黑; 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