Organic

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Questions related to Organic

When i used to detect metal ions through voltammetry i usually observe sharp peaks while in detection organic compounds i don't. Can someone explain?

Please add your ideas

10 June 2021 4,914 3 View

I produce waterborne polyurethane, but the coating that I make from it turn yellow from first moment. dose anyone know the problem??

i use polycaprolactone and IPDI as ingredients

07 June 2021 3,427 3 View

Fenton reaction and Cu(II) complexes?

Dear Friends: Do all Cu(II) complexes display Fenton Like behavior? I mean both neutral and ionic Cu(II) complexes show degrading abilities against organic dyes in the presence of hydrogen...

06 June 2021 800 2 View

What is the cause of instability of cobalt ferrite nanofluid?

Hello Why do we see the deposition of nanoparticles by adding different surfactants (cationic, anionic and non-ionic) with different concentrations to cobalt ferrite nanofluids? Cobalt ferrite...

06 June 2021 7,128 4 View

I would like to ask you a question concerning the calculation of the water content for a soil contains 10 % of an organic matter which temperature ?

always when we would like to calculate the water content for the soil (sand and clay ) we use the temperature of 105° and for the organic matter we choose the temperatur of 50° up to 60° but, in...

05 June 2021 8,503 4 View

How do you manage layer reversals during Trizol protocol phenol-chloroform extraction, especially with multiple chloroform extraction steps??

Hello all, I am performing RNA extraction/purification with Trizol on spinal cord samples, and have had trouble getting clean samples. To help, I've decided to add a second phenol-chloroform wash,...

02 June 2021 8,785 3 View

What are the different methods that can be used to convert cow-dung as value-added organic fertilizer?

Different technics to improve as N, P, K and micro nutrients rich fertilizer. To use crop cultivation.

30 May 2021 5,688 18 View

Are there any different substitute for chemical fertilizer that can be used to protected house cultivation?

- organic fertilizer or related things - substitute for albert solution

30 May 2021 9,715 3 View

How does water pollution affects micro and macro benthic organisms inhabiting coastal and estuarine regions ?

Is there any documentation of detrimental effect s of heavy metal/pesticide/other organic pollutants on benthic organisms ?

28 May 2021 3,097 3 View

Is the XRF analysis method reliable when it comes to analyzing a plant powder (organic powder) ?

Im about to analyse a organic powder using the XRF analysis method (using the machine PANalytical xrf epsilon 3 ) . The powder is contaminated with heavy metals (Pb+Cd) . The powder is supposed...

28 May 2021 1,861 3 View

How can i calculate a projected area for a organic material ?

I have an organic shell and I need to calculate the surface area (cm2)?

27 May 2021 3,567 4 View

How to get rid of magnesium ion from the reaction mixture?

I want to do a cascade. In the first step I use Grignard reagent and magnesium ion from it blocks my second step. How to quench it or bond with something else than oxygen? [EDIT] I know how to...

24 May 2021 3,876 5 View

Why 1540 cm-1 still occur in dry samples when I use FTIR to measure organic acids adsorbed on goethite?

We know R-COO- in aqueous has a band around 1540cm-1, but in dry samples it should shift to around 1560cm-1 like R-COONa.

18 May 2021 6,984 3 View

What is will be the expression the ion current when we consider the ion dynamics to study ion-acoustic waves in presence of charged dust?

Many authors are using the ion-current which is valid for Maxweelian ions. I feel that it is not correct when we consider the ion dynamics to study the effect of dust charge flactuction on linear...

17 May 2021 680 0 View

Can we use SwissADME web tool for metal complexes?

Normally the reports for ADME properties are limited to small organic molecules. So, is it reliable to use SwissADME or other respective web tools for bigger metal complexes??

15 May 2021 9,765 2 View

What cell line should I select to study organic compounds showing good interaction with CYP3A4?

I studied docking interaction of new organic compounds with CYP3A4 and obtained some good interactions compared to Gemcitabine. While studying in vitro activity, which cell line should I choose?...

15 May 2021 5,186 2 View

What techniques are used during interfacial polymerization to immerse the reverse osmosis membrane in the aqueous and organic solutions?

I am in the process of fabricating a thin film composite reverse osmosis membrane and looking for advice on the interfacial polymerization step that will form the active layer on the polysulfone...

13 May 2021 2,500 1 View

How to accelerate the failure of organic coatings and predict their life?

How to accelerate the failure of organic coatings without changing the corrosion mechanism of the organic coating/metal system?

09 May 2021 7,363 1 View

Papaya seeds methanolic extraction, no semisolids are formed during hotplating. No residues can be scraped when drying in oven overnight?

So i am currently trying to do an organic extraction of dried papaya seeds using 80% methanol. Following the protocol of certain journal (Amazu et al) i am drying the papaya seeds 5 days prior,...

08 May 2021 2,491 3 View

IKA Ultra-Turrax - anyone with experience using it?

Hi all. I'm looking into buying the IKA Ultra-Turrax Tube Drive to be used as a sample grinder/homogenizer for subsequent DNA isolation. I have no previous experience using it, so I was wondering...

07 May 2021 434 3 View

Does anyone know of any good programs to elucidate the chemical structure of organic molecules based on H and C NMR spectra?

The interest is to know if there is any program that optimizes the elucidation by obtaining the NMR spectra of C and H.

06 May 2021 1,942 6 View

What organic acids are available for removing various scales (CO3)?

The attached paper describes and organic acid used for removing composite field scales. Any idea of what this product is?

04 May 2021 3,409 7 View

Electrical conductivity of organic solvent in electrospraying?

I have read that in electrosparying, the electrical conductivity of solvent is an important parameter to be considered. But I'm wondering how organic solvent like ethylene glycol lone could be...

29 April 2021 6,368 2 View

What is the typical Bruker parameter set to use in 1H quantitative NMR in order to evaluate the purity of a synthesized chemical ?

Hello, I want to assess the purity of synthesized chemicals using relative quantification. The 1H signals of the analyte (synthesized chemical) and those of the impurities are known and...

29 April 2021 1,903 2 View

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