How to practically find the Unretained Component and the Unretained Time (Void volume)?

Dear All,How to practically find Unretained Component and the Unretained Time?Shall we inject a sample which will not be retained by the column to determine what time an unretained sample will be...

31 December 2016 1,549 6 View

Separating a mixture of a couple of compounds of a chromatographic method using a bigger column?

07 August 2016 4,122 2 View

Nafion as a binder?

It is possible to use Nafion as a binder to tightly deposit nanoparticles, activated carbon for instance, onto a glassy carbon working electrode (modifying it) to be used for electrochemical...

02 March 2016 4,295 5 View

Adding an internal reference (Ferrocene, for instance)?

Why we need to add an internal reference (Ferrocene, for instance) when we study the electrochemical activity of an organic electroactive species using cyclic voltammetry?

11 December 2015 8,202 4 View

Who to properly use PTFE for binding activated carbon to glassy carbon electrode?

I am trying to modify my glassy carbon with activated carbon using polytetrafluoroethylene (PTFE) as a binder. I am usually using PTFE at concentration of 0.1%, anyone thinks that this...

11 December 2015 1,400 6 View

Can anyone help with use of Glassy carbon as a working electrode?

I am just trying to use glassy carbon as WE for measuring CV for diphenyliodonium slat, but it poisons by the generated benzene radicals within the second cycle. How can I solve this problem?

07 August 2014 9,972 5 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

How can we obtain a modification factor for creep parameters?

I want to obtain standard creep parameters of salt rock by creep parameters of rectangular samples. Is there a modification factor to convert creep parameters of rectangular (prismatic) rock salt...

01 March 2021 7,131 1 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Is there any published or unpublished statistics on dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, US, UK or any other country?

Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...

28 February 2021 4,237 1 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

Mixed ANOVA - help?

I'm currently working on a piece which asks to conduct an ANOVA - looking at the effect of sporting group (2 levels), and exercise trials (two trials with six levels). I've computed this all...

27 February 2021 9,626 4 View

Is it possible to have two luminescence bands of the same peak position but with different intensities in single spectrum??

Hi! If it is possible to have two luminescence bands of the same peak position in a spectrum, what is the reason behind formation of two separate bands instead of one? This phenomenon is related...

26 February 2021 4,963 5 View