Review and cite PEAKS protocol, troubleshooting and other methodology information | Contact experts in PEAKS to get answers
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Questions related to PEAKS
The shift in Raman peaks implies increase or decrease of conjugation length of polydiacetylenes?
03 April 2017 1,674 3 View
by six intense peaks i was reffering to (220,311,400,422,511,440) of spinel crystal structure and i want to know which peak gets affected by which cation or by which site they are related to.
03 April 2017 5,091 3 View
The Growth was done (in the presence of O2 at a pressure of 0.3mbar) using PLD and the cooling starts at 675oC after deposition until room temperature at 20oC/min (with increasing O2 pr from...
03 April 2017 7,113 1 View
Here in attached file FTIR of a K-Feldspar can some one help me for the identification.
02 March 2017 7,891 1 View
Complex 1 is [Cu(ip)2H2O](ClO4)2 Complex 2 is [Cu(dppz)2H2O](ClO4)2 Based on absorption spectral techniques i have studied binding ability of these complexes with DNA. A reviewer has raised a...
02 March 2017 4,252 3 View
New doped sample has the peaks belonging to Fd-3m space group in additional to same extra peaks in the low theta region
02 March 2017 791 3 View
Hydrogen peroxide (H2O2) does not have an absorbance peak at 240 nm but instead it peaks around 208 - 209 nm. My question is, why do people measure catalase activity at 240 nm and not the...
02 March 2017 1,242 2 View
i tried synthesis of smectite, and it was measured by XRD. however, too initial intensity is so high to do not show the other peak such (001), or (02-11) reflections. how can i control such high...
01 February 2017 4,300 2 View
what parameters can affect on D peak position and FWHM
10 November 2016 6,533 3 View
Can anyone suggest it?
09 October 2016 7,176 3 View
For the fingerprint region, I got same peaks with changed intensity (or %T)!! What can be concluded? Please help.
09 October 2016 9,415 4 View
I'm using the dsDNA 1000 kit as a research tool for some clinic investigations. While the first days all is working correctly as expected, after few days this approach definitely not works more:...
09 October 2016 2,971 2 View
I am just starting out with rietveld refinement. I have been trying to get a good fit for my data of the compounds Bi0.8La0.2Fe(1-x)Zrx using the software Fullprof. But in all my 4 compositions...
06 July 2016 2,227 3 View
Hi, I' using Panalytical MPD XRD/XRR instrument. And also, the software i'm using is Highscoreplus. Is there any way to know the instrumental peak broadening effect? I have no specific stress-free...
02 March 2016 8,095 3 View
i need hkl values for indexing xrd peaks
01 February 2016 5,427 1 View
Hello all, I am running NMR for an aqueous peptide sample in 90% H2O/ 10% D2O. The 1D 1H spectrum collected from a WATERGATE 3-9-19 sequence looked great, with the intensity of peptide peaks being...
01 February 2016 984 4 View
The top is unheated low density polyethylene and the bottom is the same material but heated. Which peaks appeared in the heated spectra and why?
31 December 2015 607 3 View
Hey, We have Perkin elmer GC-MS which is handled with turbomass software, in which there is no tool to prepare report for peaks available in chronograph. Is there any freeware to produce the...
31 December 2015 8,261 4 View
In the Raman spectra of doped SrTiO3, a strong peak appears at 151.24cm-1 who intensity increased with doping. However, there is no such peak for pure SrTiO3 ceramics. The peak slightly shifted...
10 November 2015 7,929 1 View
Hello everyone, I synthesized a linear and random copolymer of vinyl alcohol and vinyl methyl ether. I would like to quantify the presence of OH group and OCH3 group in my copolymer. I used H-NMR...
10 November 2015 9,066 1 View
I am working on GHG emission from paddy fields and I have to know how much CO2, CH4 and N2O (which are the major GHGs in atmosphere) are released from the fields. So far I have analyzed CO2 and...
10 November 2015 7,493 18 View
We obtained FT-Raman results for our sample and the spectrum shows broad peaks.
08 September 2015 3,831 3 View
It is happening with me and peak has shifted from 0.2 to 0.9v.
08 September 2015 7,806 3 View
Hi everyone, I have fabricated PLGA-PEO nanofibers using electrospinning technique and loaded them with ferulic acid drug. In FTIR spectrum of PLGA-PEO nanofibers, i observed a peak...
07 August 2015 9,680 3 View