Aimal Khan

8 Questions 13 Answers 0 Followers

Questions related from Aimal Khan

What is the difference between thermal decomposition and calcination?

It is related to heating the sample (solid material, inorganic salt) to a specific temperature. The explanation needs to clarify the main differences between thermal decomposition and calcination.

09 May 2023 832 5 View

Does anyone know to clarify these changes?

Does anyone know to clarify these changes? The 100% intense peak of ICDD file 30-0820 at 56.029 2θ appears to be negligible in obtained XRD pattern of e-MnO2 but second highest peak (65% relative...

02 March 2021 2,071 2 View

How to determine is there oxidation takes place in the biochar without oxidant to remove organic pollutants?

Hello In my experiment, I have found that the same removal efficiency of organic pollutant by biochar with and without oxidant at 20min. So, I suspect that there might be oxidation took place in...

11 December 2019 7,746 4 View

How can the concentration of H2O2 be determined in solution in the presence of a catalyst and Peroxymonosulfate (PMS)?

Bubbles were observed when the catalyst was added into the PMS solution. To examine the composition of these bubbles, how to test the produced H2O2 concentration? Please suggest any method or any...

17 November 2017 8,886 4 View

What is the suitable temperature to synthesize Mn2O3 and Mn3O4 from MnO2 nanorods?

I need to synthesize Mn2O3 and Mn3O4 from MnO2 nanorods. What is suitable temperature to prepare Mn2O3 and Mn3O4 from MnO2 nanorods? Before, MnO2 nanorods were obtained by treating ...

18 June 2016 1,670 2 View

How O2− and OH species in heterogeneous CoFe2O4 catalyst play important role for the activation of potassium peroxsomonosulfate (PMS)?

Some researchers reported that lattice oxygen and surface hydroxyl groups are active oxygen species, and that they play a critical role in oxidation reaction. In heterogeneous...

30 January 2016 1,360 3 View

The XPS spectra of Cu 2p the satellite peak at 945.4eV, Can this satellite peak represent both valence state of copper like Cu1+ and Cu2+?

The catalyst of CuCo3O4, the spectra of Cu 2p3/2 two peaks exhibited at 932.5(Cu1+), 934.4 eV (Cu2+) and 945.4eV (satellite peak). This satellite peak what represent the valence state of Copper...

26 January 2016 7,193 8 View

The XPS spectra of Ti 2p the satallite peak at 460.2eV, which oxidation state represent of titanium like Ti3+ 0r Ti4+ ?

The SrTiO3 ceramics, the XPS spectra of Ti 2p gave satellite peak the binding energy value at 460.2eV. This satellite peak what represent the valence state of titanium like Ti3+ 0r Ti4+ ? can...

10 January 2016 644 10 View