neptunium

Base Information

• Chemical Name: neptunium
• CAS No.: 86954-34-9
• Molecular Formula: Np
• Molecular Weight: 237.048
• Mol file: 86954-34-9.mol

Synonyms:

Chemical Property of neptunium

Chemical Property:

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of neptunium

There total 14 articles about neptunium which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

neptunium(VI) → neptunium(V) (86954-34-9)

Guidance literature:

With hydrazoic acid; In nitric acid; aq. HNO3; 20 °C, 1 M HNO3, various Np conc.; measuring the light absorption by Np(V) at 982 nm; Kinetics;

Reference yield:

neptunium(VI) → neptunium(V) (86954-34-9)

Guidance literature:

With formic acid; In water; soln. of (237)Np(6+) (2.8E-4 - 9.03E-4 M) added to soln. of HCOOH (0.03-1.0 M) and Pt colloid (4E-7 - 2E-5 M) at 18-60°C;

DOI:10.1134/S1066362206020032

Reference yield:

neptunium (IV) → neptunium(V) (86954-34-9)

Guidance literature:

In perchloric acid; Electrochem. Process; electrochem. redn. (Pt cathode);

DOI:10.1007/BF00950034

upstream raw materials:

hydroxyl

{Fe(4,4'-dimethyl-2,2'-bipyridine)3}(ClO4)2

tris(2,2'-bipyridyl)iron(II) perchlorate

tris(1,10-phenanthroline)iron(II) perchlorate

Refernces

• 1、 Shilov,Fedoseev. "Reduction of Np(VI) with Carbohydrazide in a Perchloric Acid Solution". . p. 309 - 311. Retrieved 2019.
• 2、 Shilov,Fedoseev. "Reaction of Np(VI) with cyclohexanediaminetetraacetic acid in HClO4 solutions". . p. 128 - 130. Retrieved 2016.
• 3、 Shilov, V. P.,fedoseev, A. M.,Pikaev, A. K.. "". . . Retrieved 1982.
• 4、 Perevalov,Molochnikova,Myasoedova,Myasoedov. "Sorption of neptunium in the highest oxidation states from alkaline solutions with complexing fibrous "filled" sorbents". . p. 415 - 418. Retrieved 2007.