11 Questions 21 Answers 0 Followers
Questions related from A R Rayasingh
I used to plot B-H plot. But getting negative INTERCEPT.
01 March 2025 7,889 9 View
I'm wondering that how most authors are saying and plotting this equation. I practically applied this but getting a line parallel to [dna]. Uv titration graph was same as others. Benesi plot is...
19 January 2025 164 0 View
I have tried many times to dock ubenimex n (Compound CID: 72172) with a protein but every time the ligand breaks into two pieces. Kindly help. i have used chemdraw, 3d sdf file, gaussian fchk...
11 September 2024 7,607 2 View
Can anyone know how to overlay 3 or more crystal structure/chamical structures by using any software like olex2, mercury or pymol. Mercury has a option to do.. i want to know the step by step process.
17 June 2024 6,977 0 View
A reaction of A and B, gives C. the NMR of reaction mixture contain all peaks of A,B,C. I need to calculate yield or percentage conversion of B to C. A has no role . Yield of C need to calculate...
09 February 2023 8,607 15 View
If i take a crude nmr of my reaction mixture containing one reactant and product without adding any internal standard , is it possible to calculate yield of product integrating distinguish peaks...
06 December 2022 4,268 5 View
dear RG members, I have a mixture of two metal complexes one is monometallic and other one is bismetallic. can you let me know how can I separate both. column chromatography is not possible as...
06 December 2022 6,547 3 View
Dear RG members, pl provide some information regarding how to separate a mixture of 4-nitrobiphenyl and 4-nitrobromo benzene as they both have same Rf in EA, Hexane, DCM, PE, diethylether, MEOH...
26 November 2022 3,013 5 View
As both 4-nitrobiphenyl and 4-nitrobromobenzene has same polarity and both has a same Rf value in hexane and any other solvent, how can i separate? kindly help.
22 November 2022 9,457 0 View
I have taken biphenyl in ethyl acetate 8mg/2ml at 280 degree GC operating conditions- gc temperature, but there is no peaks except solvent peak. Kindly suggest a injection temperature, GC oven...
09 November 2022 425 2 View
I have taken GC of Biphenyl in Ethylacetate. but there is no peak in the spectra except the EA peak. i have run two times with low and high concentration. the instrument model is Clarus 580....
08 November 2022 6,336 2 View
