Is there any direct application of UV-Vis spectrophotometry analysis in determining the concentration of Pt, Pd and Rh in DES ?

21 April 2024 0 5K Report

I am using Deep Eutectic Solvent in extracting PGMs from spent catalytic converters, I wish to characterize the extraction efficiency using UV-Vis spectrometer. Is there any direct application and established protocol to ensure accurate results.

More Dickson Kwabena Adjei's questions See All

''TRACED the development of rehabilitation science''?

in specific rehabilitation professions

26 May 2024 8,861 2 View

How was the experimental animal models for typhoid fever achieved, since we do not have wild models?

Typhoid fever has no animal models. However, recently, some mouse models have been reported

29 February 2024 9,678 1 View

When humans ingest sodium alginate, do they absorb the sodium?

When humans ingest sodium alginate, do they absorb the sodium (and would it need to be calculated into their total sodium intake for the day)? Is it safe for those ingesting it as a prebiotic but...

26 March 2023 6,303 0 View

CE Will Not Hold Pressure?

Good Morning Everyone, I am working with an Agilent G1600 AX capillary electrophoresis instrument. Recently I have been having issues getting the instrument to hold pressure. Per another forum...

31 August 2022 8,806 0 View

LED sequential control using manual switch atmega 32 code?

The switches are to switch the leds on in an order.... When order of switcjes is altered the leds don't switch on

05 June 2021 413 1 View

Implementation code for MCMC estimation for CIR stochastic differential equation?

Hello fellow researchers, I am doing a research which involves estimating the parameters of the Cox Ingersoll Ross (CIR) SDE using a Bayesian approach. I propose using the Euler scheme in my...

04 December 2020 8,368 1 View

Implementation code for MCMC estimation of generalized Pareto distribution?

Hello fellow researchers, I am doing a research in extreme value theory where I have to estimate the parameters of a generalized Pareto distribution using a Bayesian approach. I would really...

04 December 2020 4,932 5 View

Are the particles well dispersed based on my results below?

What I want to do: I have a colloidal dispersion which comprises silicon dioxide (SiO2) particles (diameter=450nm) and poly(ethylene glycol) and want to confirm that the SiO2 particles are well...

16 November 2020 1,061 16 View

How to dissolve peptide in IxPBS?

Hello! I am working with a peptide of 19 amino acid composition. It has 7 positive charged residues (Arg + Lys) and no negative charged residues so it's obvious the peptide is basic. I tried...

16 November 2020 1,793 7 View

How can I save one image from an image stack?

Hi, I've received a TIF file comprising 20 images (yes, 20 images compiled in one TIF file).. I can view the 20 images with windows photo viewer but I can't save the image I want.. Please help me....

06 August 2020 5,282 3 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,800 2 View

Is there a problem with my RNA pellet?

Hello, I am currently having problems with RNA extraction. I am using mouse liver (C57BL6J), and I have extracted RNA from mouse liver before. Before this experiment, my final RNA pellets were...

11 August 2024 7,081 3 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

RNA Extraction Using Hot Borate Method No Longer Working?

I've been performing RNA extraction on cotton petiole tissue for a few months now using the method described in the following paper, a derivative of the typical hot borate method...

08 August 2024 9,881 2 View

What is the solvent for 8YSZ nano material?

I need to do some experiment with it in liquid form.

07 August 2024 612 3 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,781 2 View

Low-yield gel extraction problem?

I am having an issue with my gel image where my PCR product is not appearing very bright on the gel. When I perform gel extraction, the A260/280 purity value is very low. I used the Qiagen gel...

05 August 2024 9,798 3 View

Do you have good tips for seaweed tissue preservation in the field for post RNA extraction?

I will be with my students collecting seaweed samples in a marine farm and later we will process this tissue for RNA isolation and further sequencing. Does anyone have tips on how to collect the...

04 August 2024 500 2 View

The question is how to use Wavenet transform?

HOW CAN I WRITE A CODE TO USE THE WAVENET TRANSFORM AS A FEATURE EXTRACTION METHOD INSTEAD OF DWT IN MATLAB?

03 August 2024 7,827 0 View

Which solvent is better to dissolve with secondary metabolites extracted from fungi?

I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...

03 August 2024 4,724 2 View