How this moiety can react with hypochlorite (ClO-)?

Hi, I have a question about the reaction between julolidine moiety and hypochlorite (ClO-). Please see below the scheme. The color change is very interesting. It changes from yellow to purple...

01 February 2020 6,407 1 View

What is the mechanism of peroxyacid synthesis?

http://www.orgsyn.org/demo.aspx?prep=cv6p0276 Hi, I synthesized peroxyacid according to above link. Also I checked that it was successfully synthesized. However, I've wondered why those reagents...

10 November 2018 4,867 0 View

How to interpret blue shifted emission and red shift UV-vis?

Hi, I want to interpret the mechanism of blue shift emission. I carried out some experiments about metal detection. The ligand showed green fluorescence and if the metal bound to the ligand,...

10 November 2018 7,822 4 View

How much is allowable range in ESI-MS analysis?

Hi, I'm wondering how broad the allowable range in mass spectrum and reason. (the gap between calculated exact mass and experimental data) I've known that the error range is 1 because of one...

07 August 2018 3,138 3 View

How can I calculate association constant in fluorescence by substitution of fluorescence intensity?

Hi, I want to calculate association constant through following method Talanta Volume 41, Issue 4, April 1994, Pages 599-609 However, I don't understand why I-I0 could be used. Could anyone...

06 July 2018 3,195 0 View

What is 'washing' meaning in organic synthesis?

Hi, I want to synthesis some compound and found references of them. However, I don't know what 'washing with NaHCO3 solution' means. (Please look at the picture) What is different from...

04 May 2018 8,784 9 View

Can solvent affect to coordination number?

Hi, I should prepare cobalt complex experiment using MIMT (2-mercapto-1-methylimidazole). In this experiment, the coordination numbers were changed depending on what solvent we use. In case of...

04 May 2018 8,520 2 View

Does the fluorophore have to act only as an electron donor?

Hi, I want to understand fully about ICT mechanism (intramolecular charge transfer) If the ligand having fluorophore doesn't have fluorescence and act as an electron acceptor (EWG), doest the...

03 April 2018 2,155 3 View

How can I separate organic layer with miscible solvent?

Hi, When I read this paper, I wonder how to separate organic layer with miscible solvent. (Bull. Chem. Soc. Jpn., 53, 1181-1182 (1980)) The ethylene glycol is miscible with HBr or sth. So it is...

03 April 2018 3,318 0 View

Why does nitro group(-NO2) have poor solubility in polar solvents?

Hi, I want to know why nitro group and also sulfonate group have poor solubility in water and other polar solvents(DMSO, DMF, MeOH, etc.). Actually I thought the reason is polarity but it...

03 April 2018 9,719 1 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Is stone a sustainable material? Is it a sustainable approach to use natural stone waste in architecture?

I'm designing a zero-waste restaurant and considering using marble waste to make some tables and a bar countertop. My clients think it's not "sustainable enough" and I would like to have more...

01 March 2021 4,326 7 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

How can we theoretically calculate Elemental analysis(percentage) of atoms in covalent organic framework?

For example in one research article the Elemental analysis values of COF-TpPa-1 ( Triformylphloroglucinol (Tp) (63 mg, 0.3 mmol), Paraphenylenediamine (Pa-1) (48 mg, 0.45 mmol) are as follows...

24 February 2021 1,265 6 View

How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View

How to Control Whiteflies in coconut leaves?

24 February 2021 1,005 1 View

How to best wash a 96-well plate containing microplastic?

I am planning my protocol for my dissertation for an experiment quantifying bacterial (E. coli) biofilm formation on micro-plastic (5mm discs of polyethylene bags) by conducting a crystal violet...

23 February 2021 7,868 2 View

How to remove compound ( Europium complex ) from paraffin oil?

How can I remove my compound from paraffin oil? Mistakenly my compound fell in an oil. Compound = Europium complex

22 February 2021 5,667 2 View