Process for the production of selenium of at least 99.99 purity

• 1. 一种SiO2纯度≥99.99％高纯石英砂的提纯方法 [P] . 中国专利： CN110127708B . 2021.09.03
• 2. 一种纯度为99.99SiO [P] . 中国专利： CN109179427A . 2019-01-11
• 3. PROCESS FOR THE PRODUCTION OF SELENIUM OF AT LEAST 99.99 PURITY [P] . CA565051A . 1958-10-21

  机译： 纯度至少为99.99％的硒的生产过程

• 4. process for the production of high-purity selenium or pure metallseleniden [P] . AT241424B . 1965-07-26

  机译： 高纯硒或纯金属硒化物的生产方法

• 5. process for production of high-purity selenium [P] . 德国专利： DE000001170912A . 1964-05-27

  机译： 高纯硒的生产方法

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• 1. Production of High Purity Metals: A Review on Zone Refining Process [J] . Xiaoxin Zhang ,Semiramis Friedrich ,Bernd Friedrich . 结晶过程及技术期刊（英文） . 2018,第1期
• 2. Optimization of the gain in Yb^(3+)-doped cubic laser crystals of 99.99 purity [J] . Georges Boulon ,Yannick Guyot ,Akira Yoshikawa . 稀土学报：英文版 . 2009,第4期
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• 4. 特征值−1的重数至少为n−5的图的刻画 [A] . 杨玉红 . 2018