radiochemical

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Some new work on the Cherenkov counting technique and rapid radiochemical analysis has been published.
契连可夫计数技术以及快速放化分析方面也有新的工作发表。
The practical technique was provided for the radiochemical synthesis and entiomeric purity of 6 [ 18 F ]fluoro L DOPA.
为 6 [1 8F] L 多巴的放射化学合成及其对映纯度的测定提供了可靠的技术
The specific activities of these productsare 10ci/mmole and their radiochemical purity,more than 98%.
经鉴定紫外吸收光谱性质与标准样品一致,比放射性达10居里/毫克分子,放化纯度在98%25以上。
NGA was labeled directly with Na99mTcO4. The radiochemical purity of 99mTc-NGA was over 90%.
用直接法制备99mTc－NGA，其放化纯大于90%25，且室温下可稳定6h以上，符合显像要求。
Progress in radiochemical analyses in 40 years since CIRP's founding is described in this paper.
介绍了中国辐射防护研究院建院40年来放射化学分析工作的进展。