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oxide hydroxide ((H2O)Ti4O7(OH)2, PDF No. 38-0699) and Cu(OH)2 (PDF No. 03-0310) are found at pH=9.0. The metal ions would be associated with ammonium ions to form precipitate on the surface of KMTO......
immersion, which helps to remove the loose oxide/ hydroxide film on the magnesium alloy surface, and then avoids fierce corrosion [23]. Apart from HF, ammonium fluoride was present in the plating to form MgF2......
and Biosystems Engineering, 2014, 37(11): 2163-2173. [36] GUPTA V K, SADEGH H, YARI M, SHAHRYARI G R, MAAZINEJAD B, CHAHARDORI M. Removal of ammonium ions from wastewater: A short review in development......
in the Harrison’s solution (0.35% ammonium sulfate and 0.05% sodium chloride) at laboratory temperature (~23 °C). A classic electrochemical cell consisting of working, counter and reference electrodes......
, SADEGHI B, SALEHIFAR H, SALARI K, MOZAFARI F. Adsorption of disperse of yellow 42 onto bentonite and organo-modified bentonite by tetra butyl ammonium iodide (B-TBAI) [J]. Polish Journal......
] WAHAB M A, JELLALI S, JEDIDI N. Ammonium biosorption onto sawdust: FTIR analysis, kinetics and adsorption isotherms modeling [J]. Bioresource Technology, 2010, 101(14): 5070-5075. [42] GAO J F, ZHANG......
and barrier anodic films can be grown in acid (e.g., chromic, sulphuric, oxalic, phosphoric and their mixtures) and alkaline (e.g., ammonium pentaborate, sodium phosphate) solutions, respectively......
bath) for 1 h. The contents were evaporated to a small volume (1-2 mL). About 25 mL of ammonium acetate (1.0 mol/L, adjusted to pH 2 with nitric acid) was added......
] PREEZ J G H D, SHILLINGTON D P, BRECHT B J A M V. Polynitrogen reagents in metal separation. Part 1. Ditertiary and diquaternary ammonium extractants for cobalt(II) and copper(II) in HCl medium [J......
of Physical Chemistry, 1969, 73(3): 506-513. [25] KOZIN L F, MASHKOVA N V, MANILEVICH F D. Hydrogen overvoltage at manganese in ammonium-bromide-perchloric solution[J]. Protection of Metals... precipitate[J]. Hydrometallurgy, 2016, 161: 45-53. [28] KOZIN L F, MASHKOVA N V, MANILEVICH F D. Kinetics and mechanism of the discharge-ionization of manganese in an ammonium chloride solution[J]. Protection......