Nature.com - 28 May 2019
A hydrofluoric acid-free method to dissolve and quantify silica nanoparticles in aqueous and solid matrices | Scientific ... ...
ScienceDirect.com - 01 Nov 2021
An investigation on hydrofluoric (HF) acid-free extraction for niobium oxide (Nb2O5) and tantalum oxide (Ta2O5) from ... ...