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Questions related to Organic
(like Rutin at 125°C)
22 December 2021 4,164 21 View
Hello, I have samples that contain analytes with relatively low concentration (in the order of tens of ppm) in various solvents (aqueous and organic solvents). As the 1H NMR solvents signals are...
21 December 2021 7,424 3 View
There is a problem that has bothered me for a long time: the charge layer is not on the two-phase interface but closer to the air, as I have shown in the attached figure. This phenomenon is also...
20 December 2021 4,569 0 View
1- ONLINE SEARCH? 2- DATA BASE? 3- OTHER WAYS??
18 December 2021 3,081 4 View
Please anyone explain inorganic form is highly toxic than organic form ?
18 December 2021 7,073 4 View
I am studying an crystalline organic material which shows birefringence and melts at ~75 degree Celsius. But, the material doesn't solidify upon cooling. What could be the reasons?
12 December 2021 5,980 3 View
What is an effective method for installing the components on a printed circuit board?
12 December 2021 4,907 6 View
I realized that fumaric acid had not been tested in my lab with other organic acids compounds. Malic acid, citric acid, acetic acid, succinic acid, lactic acid, and tartaric acid are all tested in...
07 December 2021 8,967 3 View
I have developped in 2003 a filter sorbant aiming to specifically disolve and bind the fatty (lipophylic) fraction of airbourne micro/submicro particular matter (PM2.5, PM1, PM0.1). Analyses for...
07 December 2021 4,644 0 View
I need a site where I can see 19F, 1H, 13C spectra of organic compounds.
02 December 2021 3,708 3 View
The protein will be direct infused in mass spectrometry, and it must be diluted in ammonium acetate. So, I have 2 types of analysis: PTN (26kDa) + glycans - this one I want to clean it (just...
01 December 2021 4,600 3 View
Hello Everyone, I am trying to ferment the enzymatic hydrolysate I obtained after pretreatment to produce bioethanol. So, as a trial, I did the experiment in a fermenter using YPD and checked...
26 November 2021 6,140 4 View
I was measuring the Tm Of DNA on addition of an organic drug but i noticed unpredictable results as on raising the temperature , i found that the absorbance started to decrease and didn't show any...
24 November 2021 3,399 1 View
I have had some success germinating Ginkgo seeds in Costa Rica. I would like to know recommendations to secure seedling establishment. Right now they are in 1.5 L plastic bags on organic soil at...
20 November 2021 8,423 4 View
Dear researchers, I am studying the Organic Redox Flow Battery systems and trying some experiments to find out the capacity of my organics with 3-electrode studies. In literature, authors mostly...
19 November 2021 8,415 3 View
Reaction mechanism, reagents and conditions.
18 November 2021 7,769 3 View
I have used different temperature programs in GC but each time all four particles ( solution of ethanol, chloroform, isopropanol, and butanol that were diluted in water ) were just in the same...
18 November 2021 2,055 2 View
Within the protected areas, the rangers recorded any tracks and signs of animals while patrolling. They recorded any tracks and signs of animals, location, times and identified species by using...
15 November 2021 8,452 3 View
I want to determine the DNA concentration of my HPLC sample as it should be between 0.1 to 0.8 mg, but nanodrop is not helping.
14 November 2021 4,492 0 View
Currently, I am studying the working principle and mechanism of an OLED display. So my question is why we required the cathode and anode material in OLED? why we can't connect the organic layers...
12 November 2021 2,639 3 View
Hi there, I am currently analyzing 6 PCB congeners (Polychlorinated Biphenyls) in the river sediments. I am using SPSS for data analysis. I don't quite understand how to explore normality...
11 November 2021 299 3 View
I am trying to make an adipose tissue panel for flow cytometry in BD Symphony. For P2 and P3 populations , previously someone used unconjugated VAP-1 and CD142 antibodies respectively , but they...
11 November 2021 290 0 View
This is the only column I have in my GC-MS. I know that it was specially designed for FAME analysis, but I have already used it for other volatiles like aldehydes, ketones and esters and it worked...
09 November 2021 4,831 2 View
My team and I are new to HPLC/GC-MS quantification so we would appreciate some insight. Currently, we are trying to measure the concentration of organic acids within an organic solvent...
08 November 2021 1,192 3 View