In the nmr spectral of p-formamidophenol, i was suppose to have two distinct singlet, but kept having doublet, for a single aromatic proton?

More Sodeeq Aderotimi Salami's questions See All

Can someone help me design an experiment with Design of Experiment (DOE) software?

I have never used DOE. I want to perform optimization of three parameters that affect my experiment. The parameters are pH (9.0-11), concentration of Lm (5-100uM) and concentration of POV (5-200...

14 December 2023 8,828 1 View

What is the procedure to etch my resin prepared with TEOS?

I want to remove the Si to have hollow microspheres. Most of the report in the literature only stated the calcined resins were etched with hydrogen fluoride (HF, 25 wt %) without describing the...

23 August 2023 3,925 1 View

Model of 2mw gas turbine using hydrogen and ammonia as fuel?

As a design engineer in an engineering team whose work is developing a new gas turbine of 2 MW used for thermal power generation which is fuelled by non-carbon fuels, such as hydrogen and...

31 January 2023 3,936 2 View

Academic Protocol for a two parts article?

Dear RG community I am writing the final paper of my Ph.D. thesis. My final contributions are related to each other; I wanted to express both of these contributions in one article. Still, the...

20 January 2023 4,764 13 View

Effect of cooperative learning strategy on senior secondary School students academic achievement in chemistry?

The use of different methods in teaching chemistry

03 January 2023 368 2 View

How to convert 30 minutes data to an hourly data ?

Dear Colleagues. I have a rainfall data of 30 minutes interval from GPM(NASA), I also have an hourly rainfall data of one hour interval from ground 2eather station. The satellite data start at 0:...

16 February 2022 2,335 4 View

Producing Geological Mine Maps?

Hello everyone, As part of my project for my master thesis, which is the investigation of water pollution in an abandoned mine in Mojave Desert, I want to produce a large-scale mine map that can...

20 October 2021 293 5 View

What kind of new business model can we propose to ANSPs in order to diversify their sources of income?

Hello Network! I’m currently working on a project related to the resilience of Air Navigation Service Providers (ANSP) to the outbreak of the COVID-19. The purpose of this research is to propose...

26 May 2021 9,317 3 View

I intend to Assess Deforestation and forest degrdation for a study area?

I intend to assess deforestation and forest degradation for a study area? 1. Do i need to perform or convert DN to radiance to reflectance and use its resulting image for Land use/land cover...

12 August 2020 5,225 1 View

Model checking systematic literature review?

I am currently working on a model checking a systematic literature review. please help in this case.

05 July 2020 7,321 8 View

Do you think can be any diamond bearing rocks in Eastern part of Iran and western part of Afghanistan?

I want to know more about diamond ore deposits in world.

11 August 2024 2,167 1 View

Do you think can be any diamond bearing rocks in west of Iran?

I want to know more about diamond ore deposits in world.

07 August 2024 7,413 0 View

What is the prepared reference material that can be used in inductively coupled plasma optical emission spectrometry (ICP-OES) to measure REE and U ?

What is the prepared reference material that can be used in the ICPE-9820 Shimadzu Japan instrument, which employs inductively coupled plasma optical emission spectrometry (ICP-OES) to measure...

06 August 2024 1,896 1 View

Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

05 August 2024 3,290 1 View

Why don't d-orbitals split themselves, why does it take a ligand? why don't protons from ligand repel nucleus split d-orbitals?

why don't d-orbitals split themselves because of themselves without the presence of ligands? Electrons are indistinguishable. Why wouldn't it be more correct that protons from a ligand split the...

03 August 2024 3,589 3 View

Why doesn't chromium 2+ ion use all its d-orbitals to receive lone pairs from six waters in [Cr(H20)6)]3+?

I'm guessing it's because the ligand experiences too much electron repulsion or proton repulsion from the chromium to insert them close to the 3d-orbitals which are close to the metal nucleus. Is...

03 August 2024 1,370 1 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

Do you think can be any gas and oil bearing rocks in Eastern part of Iran?

I want to know more about petroleum deposits in Iran.

02 August 2024 8,725 3 View

Do you think can be any diamond bearing rocks in Eastern part of Iran near to Birjand city?

I want to know more about diamond ore deposits in Iran.

02 August 2024 7,399 0 View

Is artifacts in XPS possible to build high deviation in binding energy larger than 5 eV??

Hello. Thanks for your consideration to see my question. Recently, I conducted XPS anaylsis of g-CN that is prepared from thermal polycondensation of DCDA, so-called conventional bulk-g-CN,...

30 July 2024 9,824 2 View