How does an Ocean-Optics HIOXY oxygen sensor work?

More Asmita Shrestha's questions See All

How to determine pka of 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) in propionitrile at -40 C?

The pka of DBU in acetonitrile is 24.34. The pKa values are affected by temperature and the solvent dielectric constant. Is there a formula to convert pka values from one solvent to another as...

02 March 2016 7,555 1 View

How to crystallize product that crash out from an aqueous solution?

I run my reaction in water and leave it for slow evaporation. The product crashed out after a week, which are not suitable for X-ray crystallography. I have tried to dilute the product and slowly...

01 February 2016 994 3 View

What solvent and electrolyte combination is suitable for a large potential window with glassy carbon electrode in non-aqueous condition?

I am using Ag/AgNO3 reference electrode and Pt mesh as counter electrode. I am looking a larger oxidation potential window than 0.1M TBAPF6 in Acetonitrile.

01 February 2016 3,695 4 View

Why does the GC electrode get oxidized with 1M NaOH?

I have been trying to get a background CV with 1M NaOH. As soon as I do IR compensation, the program says "Resistance is TOO HIGH". I can see bubbles forming in the GC electrode and auxillary Pt...

07 August 2015 732 9 View

Is there any solvent system where metal triflates precipitate out?

The metal is ligated to amine ligands.

05 June 2015 4,228 3 View

What is the best way to crystallize sodium hydroxide for electrochemical studies?

I have tried to crystallize with sodium hydroxide with ethanol. However, I can still see a peak at 1.3V vs. Ag/AgCl in my CV graph.

05 June 2015 4,531 3 View

I am getting flaky solids after crystallization. What kind of solvent system should I used?

I have been trying to crystallize my metal complex with slow diffusion of diethyl ether in acetonitrile and methanol. However I am getting flaky solids, instead of crystals. Could you share any...

04 May 2015 1,565 5 View

Could you recommend some articles on Urban Transportation System optimization and Innovation?

13 August 2024 2,595 3 View

Hello all, Looking for international reviewer to review Ph.D thesis in wireless sensor network.Can anybody help?

My name is Apurva Saoji. I am a Ph.D scholar in Computer engineering in India. I am looking for international expert in reviewing my PhD thesis, "Competitive Optimization Techniques to Minimize...

07 August 2024 4,600 2 View

Aspen Plus Simulation?

Greetings When one is to perform Simulation or modelling of Pyrolysis of Biomass Waste materials using Aspen Plus software, and one has both the macromolecules breakdown (Cellulose, Lignin and...

06 August 2024 5,023 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 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 5,974 3 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

How to Transform my handy-wavy explanation of why group I/II metals oxides in aqueous solution are basic into a rigorous argument?

I heard an explanation about something being a better proton acceptor or lone pair donor but that doesn't make sense. I couldn't explain in in terms of acid-base theory. The hand-waving way I saw...

03 August 2024 9,918 0 View

What is the problem with these tissue culture plants?

All plants are green but some of these plants becomes yellow. I did not found any reason. Please help me to find out the real problem.

01 August 2024 589 4 View

A Question about Phd thesis?

Hello everyone What is your opinion about the introduction of an expert decision support system in which the rules are extracted from existing data without human intervention, instead of being...

31 July 2024 5,785 4 View

¿Are oxygen vacancies in semiconductors capable to change the band gap?

Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...

30 July 2024 8,339 2 View