What is the potential that is required to oxidize isopropanol?

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What is the mode for measuring photocurrent of a photocatalyst?

I am attempting to measure the photocurrent of my photocatalyst using a Gamry Interface 1010E. I am not sure if it works because I will shine light once, not as pulses.

06 November 2023 6,031 2 View

Can l use only working electrode and a counter electrode for measuring the electrochemical impedance without a refrence electrode?

I tried to measure the EIS of my photocatalyst by using only a working electrode (my catalyst was dip dropped on FTO) and a counter electrode (Pt), but most of the times it showed a high impedance...

02 October 2023 4,687 3 View

Can the colour of Cu2O be a yellowish red instead of brick-red?

I have synthesized Cu2O several times. One time l recognized that the colour of it was yellowish red. I thought the reason because l didn't controled the temperature well. But today when l tried...

18 August 2023 5,530 0 View

Can I use ferrocene as a reference electrode for measuring the EIS of a photocatalyst?

Actually, I want to use ferrocene as a refence electrode to measure the EIS of perovskite catalyst. and should I follow the same steps as that electrochemical cell contains Ag/AgCl as a reference...

11 August 2023 954 4 View

Could anyone please inform me how to prepare Cu2O film from powder to measure the band gap?

I am a master student in photocatalyst. I have synthesized Cu2O powder, and I want to measure its band gap. the UV-Vis devise I use can measure the sample as liquid or film. I tried to prepare a...

16 July 2023 6,485 2 View

Can we merge two cohorts studies (retrospectively & prospectively) for different populations with same variables but in different timelines?

First cohort’s data collected retrospectively From Jan-May 2021, the 2nd cohort data was collected prospectively from June-Dec 2021. We wanted to increase sample size and hence the study...

07 May 2022 2,101 9 View

How can I be sure that the heterojunction formed is s scheme type?

Hello everyone I'm working on photocatalysts based on g-C3N4 and Co3O4 and the junction formed seems to be type II. Is there any method to make sure that the junction formed is a scheme...

12 February 2022 1,509 5 View

How can I be sure that the heterojunction formed is s scheme type?

Hello everyone. I am preparing photocatalysts based on g-C3N4 and Co3O4, but the junction formed is type II, is there any method to make sure that the junction formed is s scheme junction.

12 February 2022 1,393 4 View

Msc adams-tire time dependent value?

Is it possible to model a value which is considered usually constant as a time varying parameter, i.e., it's value is changing during the vehicle motion simulation. For example the stiffness of...

11 January 2020 6,034 1 View

Membrane degradation in an aqueous solution?

I recognized that a membrane used for wastewater treatment in MFC was degraded, but I don't have an explanation, did someone have an idea? Thanks in advance

15 November 2019 2,858 3 View

Why results of ROS flurescence are negative as there was no bacteria within?

Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...

04 August 2024 5,973 3 View

Why reactivity isn't increased with more empty spots in valence shell?

If from a geometric perspective the non-halogens, non-noble gases have more empty spots in their valence shell, and the filling/exiting of any of the empty spots in the shell constitutes a...

03 August 2024 4,787 2 View

Why aren't most metal oxides insoluble in water?

Why BaO (s) + H2O(l) ---> Ba 2+(aq) + 2 OH - (aq) if Oxygen loves owning all the electrons, why would it bind to hydrogen which competes with Oxygen for electron ownership more so than...

03 August 2024 5,392 1 View

Why chloride turns into chlorine gas in a Downs cell?

I imagine the battery drives the graphite into a carbocation, then chloride is oxidized to donate the electron to the carbocation, but what pushes the lost electrons of chloride to be shared...

03 August 2024 5,384 0 View

How to calculate the molar proportions of the oxides from the XRF analyses?

02 August 2024 2,565 2 View

What is the solubility of Iron (+3) in Bismuth Oxide?

Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco

29 July 2024 2,162 1 View

Addition of EDTA during the synthesis of copper nanoparticles to prevent it from being oxidized?

I've attempted to use this method to synthesize copper nanoparticles. Copper nanoparticles can be synthesised using a variety of precursor materials. CuSO4, distilled water, NaOH, and EDTA are...

28 July 2024 8,026 3 View

Standard curve of H2O2?

Hi, I need to prepare a standard curve of H2O2 to evaluate the primary products of oxidation. H2O2 I have is 35%. How do I prepare a stock of H2O2 10 microlitere. If s.o has experience, I would be...

26 July 2024 3,459 2 View

Non -oxidizing metal binders?

I'm trying to sinter some Nb parts and I'm trying to find a binder which does not produce oxidative compounds when it decomposes.

25 July 2024 9,823 3 View

What is the main used curing agent for epoxy based coating?

I am trying to coating metal oxide into steel substrate, for better sticking planning to utilse epoxy based, Could you please suggest suitable curing agent for the coating purpose

25 July 2024 438 3 View