Roman Kubrin

4 Questions 205 Answers 0 Followers

Questions related from Roman Kubrin

How can one fully dissolve zirconium oxynitrate in water?

Can anyone give advice on the best practice of dissolving zirconium oxynitrate (ZrO(NO3)2*xH2O) in water? This salt is known to be well soluble but the sample we have from Alfa Aesar does not...

11 November 2014 3,651 25 View

"Operational" pH in organic solvents - can anyone help?

Could anybody suggest some good literature references on the concept of "operational pH" in non-aqueous media possibly including a discussion of justified or not justified utilization of...

11 November 2013 6,065 7 View

Why do hydrated nitrate salts purchased from different suppliers behave differently while dissolving in ethanol?

We tried to dissolve yttrium nitrate hydrates in ethanol and discovered that their solubility varies depending on the source, in spite of nominally the same chemical composition. Usually given as...

10 October 2013 2,554 2 View

What could destabilize colloidal particles of SiO2 in ethanol?

We buy monodisperse colloidal particles as an aqueous dispersion. In some experiments an ethanol-based dispersion is required. Usually, re-dispersion is easy, and particles retain their stability,...

10 October 2013 9,781 11 View