Paul Thomas

10 Questions 7 Answers 0 Followers

Questions related from Paul Thomas

I am trying to coat my material on steel coating but the final coating is producing cracks ?

I am using zn as active material using 90 mg with 20mg Polyvinyl butyral resin and droping the mixture using pippete on to steel surface after sonicating for 2 hours but the final coating gets cracked

2 weeks ago 7,258 1 View

Not able to get uniform coating with doctorblade technique? whats the optimum ratio of making good slurry for doctorblade technique?

I am trying to coat my sample through doctorblade but i am not able to get uniform coating, when i trying to spread my sample at some areas coating is uniform some areas its not uniform. One of my...

25 February 2025 1,670 1 View

Why need to use standard calomel electrode for corrosion studies why not Ag/AgCl ?

I am confused which reference electrode i should use for simulated seawater for corrosion investigation Some people reported Ag/AgCl and some calomel which one is best and why ? My wroking...

20 February 2025 5,288 4 View

Whats is the main parameter to know wether material scatters light source?

Is it refractive index

06 September 2024 392 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

26 July 2024 813 3 View

To generate hydroxyl radicals the photcatalyst need to be in conatct with water or air pollutant?

Is direct contact of polllutant and catalyst needed? or indirect contact just like photocatalyst wrapped inside glass can also create hydroxyl radicals and elimnate pollutants near to its wrapped...

24 June 2024 3,375 5 View

Can we use plastic pippette in Tetraethyl Orthosilicate solution?

Is it safe to use plastic pippette or only glass pippette can use?

02 May 2024 750 5 View

I wanted to etch that can remove iron nanoparticles, and preferable do not etch aluminum?

Possible to etch iron but not aluminium

11 April 2024 8,509 2 View

Is combination of rgo and biomass derived carbon is excellent choice for supercapacitor and water treatment?

Opinion about combining rgo and carbon derived from biomass Composite focus on watertreatment and eergy storage

16 December 2021 4,667 3 View

Why moo3 based composite gets green colour after doing hydrothermal treatment for 180C ?

I am mixing moo3 with carbon material and kept it under autoclave for hydrothermal 180 c 6 hours, observed the formation of a green solvent after taking the hydrothermal reaction. I added 0.25...

13 March 2021 269 0 View