6 Questions 4 Answers 0 Followers
Questions related from Arina Levina
Hello! Let me outline the situation - I make a phase diagram of the salt-polymer. Binodal is obtained, nodes are obtained. All this is done at three different temperatures. And there is a problem...
22 March 2021 6,129 0 View
Can you please tell me if there are anionic sulfate complexes of rare earth elements? And, if so, can you advise sources where you could read about it. Thank you!
18 January 2021 8,956 2 View
Hi everyone! I`ve question about vanadium pentoxide. Exactly about precursors for the synthesis, about conditions. For example I need to obtain V2O5 powder, should I firstly obtain NH4VO3, or I...
12 January 2021 1,489 4 View
Hi! I`ve got question about DESs. How can I proof the formation of DES? If speak about IR, which regions should I look at and which bands can indicate on the presence of hydrogen bonds? And one...
09 June 2020 1,766 1 View
Hello! Can you, please, help me to find an equation for calculating theoretical steps for separating two components by liquid extraction (not graphically) I`ve performed extraction for two...
20 December 2019 6,787 7 View
Hi! I`ve found a lot of articles in which REMs are devided into light, medium and heavy groups, and it`s quite easy, ok. But I still can`t find information about Eu and Gd separation. Is it...
06 December 2019 261 4 View
