Hydroiodic acid purifying method
A purification method, a technology of hydroiodic acid, applied in chemical instruments and methods, separation methods, hydrogen iodide, etc., can solve the problems of long time, high cost, cumbersome steps, etc., and achieve reduced content, good purity and yield, Simple operation effect
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Embodiment 1
[0018] The industrial grade hydroiodic acid was passed through an adsorption column filled with zeolite imidazolate framework materials (ZIFs) at a flow rate of 15 mL / min at a temperature of 25 ° C, wherein the amount of zeolite imidazolate framework materials was 10, and the crude product of hydroiodic acid The quality is 1 meter. This example hydroiodic acid is through sampling analysis, and its elemental iodine impurity content is 0.35ppm, and product yield is 97.2%.
Embodiment 2
[0020] Industrial-grade hydroiodic acid is passed through an adsorption column packed with zeolite imidazolate framework materials (ZIFs) at a flow rate of 20 mL / min at a temperature of 40 ° C, wherein the amount of zeolite imidazolate framework materials is 15, and the crude product of hydroiodic acid is The quality is 1 meter. This example hydroiodic acid is through sampling analysis, and its elemental iodine impurity content is 0.39ppm, and product yield is 97.0%.
Embodiment 3
[0022] Industrial-grade hydroiodic acid is passed through an adsorption column packed with zeolite imidazolate framework materials (ZIFs) at a flow rate of 20 mL / min at a temperature of 20 ° C, wherein the amount of zeolite imidazolate framework materials is 12, and the crude product of hydroiodic acid The quality is 1 meter. This example hydroiodic acid is through sampling analysis, and its elemental iodine impurity content is 0.43ppm, and product yield is 96.5%.
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