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气-液交换法制备氚标记化合物的实质是氢-氚同位素交换,近年来国内开始引用。该法具有操作方便、快速、比度高和杂质少等优点,尤其是可标记结构复杂的天然产物如中草药有效成份。改进和完善
The essence of tritium-labeled compounds prepared by gas-liquid exchange method is hydrogen-tritium isotope exchange, which has been used in China in recent years. The method has the advantages of convenient operation, rapidity, high specific gravity and less impurities, and particularly can mark natural products with complex structure such as the active ingredients of Chinese herbal medicine. Improve and perfect