As we all know, the quantitative separation of fluorine from a sample rich in cadmium, aluminum, boron, tungsten, and so on is a difficult problem in analytical chemistry; in particular, the separation of micro leno from the pure metal system of such elements, It is more difficult. The separation of pure metals from trace amounts of fluorine has not been reported in China so far. In the face of the development needs of China's nuclear industry materials, we first used a conventional distiller to repeatedly conduct a steam distillation separation test of metals in fluorine, but the effect was poor and it took a lot of effort. Add WeChat, you want to have: Fiberglass Baton For Curtain,Fiberglass Curtain Wand,Fiberglass Pull Baton,100Cm Length Fiberglass Baton SHAOXING MINGQUAN TRADE CO., LTD , https://www.sxmingquan.com
In the distiller used, at least 2 hours are required for the separation of fluorine in the sample, and the volume of the distillate is as large as more than 00 ml of tâ€0M.M, rrpx. At the time of the report, there was no obvious improvement in the distiller used: for a sample, distillation was repeated 2 or 3 times (or even 4 times), so that the total fluorine recovery rate could reach 97% or more. Moreover, the heating temperature control method is mostly external heating system, manual operation temperature control, basically non-temperature distillation.
The distiller is based on the practice of conventional steam distillation separation and is directly designed for the separation of pure metals from trace amounts of fluorine. The test showed that one distillation, which lasted for one minute, enabled the recovery of PPm-grade fluorine to approach 10. %. Using a double-jacketed structure, the water-sweeping steam conduit is circled first in the hot bath medium (temperature 1 min °C), and the water vapor is quickly heated again before being introduced into the human inner flask to obtain more full vaporization, thereby greatly improving The utilization efficiency of Yanqi (compared to conventional distiller). The operation is simple and convenient: the realization of the automatic constant temperature will make the operator feel comfortable, and the distilling process can double as other work; even if it leaves the scene for a short time, there is no need to worry (but to ensure safety, proper attention should be paid to it).
The selection and adjustment of the constant-temperature medium is ready for long-term use. It is generally not necessary to replace it. The distiller can be easily cleaned with a pumping method without the need for frequent disassembly. The entire operation is relatively simple and easy. Using this distiller system, distillation distillation of micro-most and low-volume slaves, cooked, and nitrogen in various types of samples including pure metal capsulation, hydrazine chemistry, and industrial wastewater, cement materials, rubber products, and human urine has been performed. Both have achieved satisfactory results. 