用碱熔法使海带中的碘以i-形式转移到溶液中，然后在酸性条件下用过氧化氢氧化，三氯甲烷萃取，经分光光度标准曲线法测得海带中碘含量大约为426。
I - was obtained from the kelp by alkali fusion, then oxidized by H2O2 in acidic solution, thus we can determine the iodine content by extraction spectrophotometry, which is about 426.
三氟碘甲烷具有良好的环境性能和安全性能，在灭火、制冷、发泡、医药等领域有着广阔的应用前景。
FIC-1311 has well protected environment, showing that which have good application prospects in the extinguishing, refrigeration, foam blowing agents, and medication.
三氟碘甲烷具有良好的环境性能和安全性能，在灭火、制冷、发泡、医药等领域有着广阔的应用前景。
FIC-1311 has well protected environment, showing that which have good application prospects in the extinguishing, refrigeration, foam blowing agents, and medication.
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