Timothy D. Huang

6 Questions 23 Answers 0 Followers

Questions related from Timothy D. Huang

Will Raman Spectra of the same specimen under different Laser wavelength yield different results?

I just encountered a very puzzling Raman spectroscopy issue. I have the same specimen measured at the same spot. One used 735nm laser, and the other 532nm. As it can be seen clearly from the...

19 August 2021 9,580 7 View

How can I find a Raman spectrum wavenumber corresponding to what compound?

I have several Raman spectra with very distinct peaks at certain wavenumbers, such as 277, 359, 466, 583, 623, 686, and 795cm-1. How can I identify them to what compound(s)? The RRUFF and others...

25 February 2021 736 3 View

Is there a free Raman Spectra database that I can search for a set of given peaks?

Is there a free Raman Spectra database that I can search for a set of given peaks? Thanks in advance for pointing the way.

23 December 2019 4,441 4 View

Can the detrital zircon method tell about the true sedimentary age?

Can the detrital zircon method tell about the true sedimentary age? Assuming a sedimentary formation were formed, said 1 Ga. This formation contain many detrital zircons of various ages for...

17 August 2019 3,019 6 View

I have a Raman spectra showing peak at 637cm-1 (610-640) from a fossil. Wondering what could this be?

This could be an organic metal complex. Any help will be very appreciated.

28 July 2019 1,177 3 View

Help on IR spectra interpretation needed

Can anyone help me to interpret the following 3 IR peaks: ~1800 cm-1 strong, ~2510 cm-1 medium, twin at ~2870&2990 cm-1 weak. Any information of compound or functional group will be very appreciated.

01 January 1970 3,264 29 View