Amberlite CG 400 is not available anymore. What can I use instead to exchange iodide for chloride in long-chain ammonium salt?
Hi, I want to include the global Fis index in my divBasic calculation from the package diveRsity. To do so I set the bootstrap = 100. However, I have this error in return: Error in x[, 1] :...
05 June 2024 6,670 0 View
I'm planning an experimental design to investigate the gene expression of mussels under thermal stress conditions, to compare their responses. The experiment includes a control tank and a...
11 September 2023 5,157 1 View
I am interested in the interactional aspects of Twitter, that is how people reply to one another. I have tried Netlytic, but it doesn't scrape the whole conversation but only the tweet that is a...
13 November 2022 7,243 6 View
I want to find the correlation coefficients between two signals and to plot the deference in values using matlab. I have two eeg.edf datasets with 20 electrodes each, of healthy and depressed...
26 May 2022 4,662 2 View
I am using Nafion to cover my electrodes used to make biofuel cells, in order to block chloride ions from reaching the electrode. Unfortunately, at a physiological concentration of chlorides,...
17 March 2022 7,824 0 View
I am trying to electrochemically deposit gold on carbon fibres. The gold sticks for a bit on the fibres, but then it delaminates, apart from the ends (I guess it's because the current density is...
02 September 2021 2,393 8 View
Dear everybody, I conducted a series of ANOVAs (and MANCOVAs) to verify the presence of differences between two groups for a series of variables. A reviwer commented that " the relationship they...
02 November 2020 5,123 6 View
Hello, I have a question about common method biases. I have collected data using an online survey for latent constructs each measured on several items. However, I have also manifest variables...
09 May 2020 9,670 0 View
I am modeling the flow of visitors during a working day in a museum. The main problem is that I don't know how to model in Arena Rockwell the fact that all entities must clear the queue at the end...
20 February 2020 9,688 1 View
I need to coat a stainless steel surface protected with a Ni-P (nickel-phosphorous) layer. How can I activate/re-activate the nickel to perform the next coating? I have not found anything....
20 January 2020 1,433 5 View
Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...
09 August 2024 5,444 7 View
I imagine the battery drives the graphite into a carbocation, then chloride is oxidized to donate the electron to the carbocation, but what pushes the lost electrons of chloride to be shared...
03 August 2024 5,384 0 View
I have used Prussian blue nanoparticles as a redox couple. The PBNPs have been made using only one salt precursor. Also, during scan rate studies, a small oxidation peak can be consistently found...
31 July 2024 9,697 0 View
After deprotection of the tert-butyl ester to generate the carboxylic acid in chloroform with TFA, my compound‘s pyridine moiety forms a TFacetate ammonium salt (small molecule drug, not a...
29 July 2024 9,753 3 View
"The Correlation between Nutrition and Transport Mechanism under Abiotic Stress in Plants: A Comprehensive Review" by Muhammad Saleem, Jianhua Zhang, Muhammad Qasim, Rashid Iqbal, and Li Song,...
23 July 2024 9,109 0 View
I do not know much about FTIR! The material Benzethonium Chloride USP was compared to a reference standard in regards to FTIR, as per the USP testing: Identification B. Infrared absorption (FTIR),...
16 July 2024 6,918 7 View
Dear all, I have a question regarding ways to separate ammonium nitrate and phosphorus pentoxide?
12 July 2024 3,164 2 View
Deep etching Negative photoresist Acrylate polymer Chemical etching Ferric chloride Crosslinking Resolution
11 July 2024 2,476 4 View
I will polymerise Aniline on ITO glass WE, using 1M of H2SO4 and a potentiostat. However, I am not sure if I have to do the electrochemical polymerisation inside a hood. Is it necessary? Is the...
10 July 2024 2,937 3 View
Hi All: I need to precipitate extracellular protein from supernatant. A bit confused with ammonium sulfate calculation. Should I be adding: 1. 65g of ammonium sulfate in 100 ml of...
09 July 2024 5,508 0 View