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Применить Всего найдено 2. Отображено 2.
30-06-2023 дата публикации

Method for rapidly detecting molybdenum content in uranium-molybdenum alloy

Номер: CN116359264A
Автор: YANG YONGMING, YUAN CUIHONG, WANG MEI, WANG HONG, ZHANG QINGMING, FAN HAO, CHEN YANHONG
Принадлежит:

The invention relates to the field of chemical detection, in particular to a method for rapidly detecting the content of molybdenum in uranium-molybdenum alloy. The detection method comprises the following steps: S1, cleaning the surface of a uranium-molybdenum alloy sample; s2, the cleaned uranium-molybdenum alloy sample is dissolved in mixed acid, heating treatment is conducted after dissolution, a sample solution is made to be bright yellow, and a solution to be detected is obtained after dilution; the mixed acid is a mixture of nitric acid and hydrochloric acid; s3, determining a working standard solution and a reference standard sample on an X fluorescence spectrometer to establish an application method, then determining a blank solution and a to-be-determined solution in sequence, respectively determining the concentrations of the molybdenum element in the blank solution and the to-be-determined solution by a standard curve method, and calculating to obtain the content of the molybdenum ...

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Номер записи: 1
02-05-2023 дата публикации

Rapid detection method for measuring uranium content in uranium dioxide through X-ray fluorescence spectrometry

Номер: CN116046734A
Автор: YANG YONGMING, YUAN CUIHONG, LYU ZHIWEN, ZHANG QINGMING, ZHAO XIAOFEI, JIA LINGYU, ZHANG HONGWEI
Принадлежит:

The invention belongs to the technical field of chemical detection, and particularly relates to a method for rapidly detecting uranium content in uranium dioxide through X-ray fluorescence spectrometry. The method comprises the following steps: selecting a sample weighing amount of about 4.0 g, pressing a sample by using a tablet press, detecting by using a U-Lalpha or U-Lbeta spectral line under the conditions that the 2 theta angle is 37.288 degrees or 20.623 degrees, the PHA is 50%-150%, the voltage of an X-ray tube is 60KV and the current is 9mA, and determining that the curve linearity reaches more than 0.9999. The method has the advantages that the detection precision is not larger than 0.1%, the technical requirement for detecting the uranium content in the uranium compound can be met, and the method is an applicable detection mode at present.

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Номер записи: 2