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dhaffnersr 267 research notes and wiki edits



Baseline comparisons using .09mm slit UV flashlight and UV laser pointer

by dhaffnersr over 1 year ago | 14 | 1,350 | 1

Here is a comparison of baselines thru a .09mm slit using a UV flashlight@395nm and a UV laser po...

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Peak and FWHM data for UV laser baselines

by dhaffnersr over 1 year ago | 2 | 1,616 | 0

UV (405nm) – peaks and FWHM data: Distilled water - BLK wavelength [nm] absorbance FWHM [nm] ...

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addmendum to my post...

by dhaffnersr over 1 year ago | 0 | 885 | 0

<a href="//i.publiclab.org/system/images/photos/000/014/341/original/UV_scan_eosin_in_wtr_feb16_s...

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Calibration of a single point reference

by dhaffnersr over 1 year ago | 0 | 637 | 1

Well, what I wanted to do was figure out a way I could take spectral shots of my samples using at...

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Laser Eye Safety!

by dhaffnersr over 1 year ago | 2 | 883 | 3

I just wanted to post up a quick note about the importance of using appropriete eye wear when usi...

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This CFL works the best

by dhaffnersr over 1 year ago | 4 | 1,181 | 2

After a thousand spectral tests, I have found one CFL that I have gotten a quality calibration fi...

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Attempts at Spectrometer stability pics

by dhaffnersr over 1 year ago | 0 | 811 | 1

****Here are some shots of modifications I have made in the last few days to the spectrometer, th...

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Prototype incident light blocker

by dhaffnersr over 1 year ago | 2 | 791 | 2

[![20160201_132119.jpg](//i.publiclab.org/system/images/photos/000/014/019/medium/20160201_1...

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Test results today using a .18mm slit

by dhaffnersr over 1 year ago | 0 | 1,091 | 0

Below are some of my test results for today, I replaced the slit that comes with the spectrometer...

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UV scan results analyzed (intitial findings)

by dhaffnersr over 1 year ago | 0 | 523 | 0

I am using a program called Spekwin32 as my spectral analyzing software. [![UV_analy...

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Raman spectrometer in operation (sort of)

by dhaffnersr over 1 year ago | 0 | 1,278 | 3

I am working on a more solid state design in an enclosure using cuvettes which is more a...

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Fluorescence of tabasco sauce

by dhaffnersr over 1 year ago | 0 | 957 | 2

This is a test tube with ethyl alcohol 70% with 60 drops of Tabasco sauce and 1 drop of eosin Y ...

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FLUORESCENCE OF 87 OCTANE GASOLINE

by dhaffnersr over 1 year ago | 0 | 1,564 | 0

Today I was doing some calibrating for fluorescing gasoline and oil samples If you notice i...

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Recent Pictures of my lab set up.

by dhaffnersr over 1 year ago | 1 | 809 | 1

[![20160114_112611.jpg](//i.publiclab.org/system/images/photos/000/013/629/medium/20160114_112611...

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STILL WRKNG ON THE RAMAN SETUP, BUT OTHER PICS OF MY LAB SETUP

by dhaffnersr over 1 year ago | 0 | 567 | 0

This is related to my previous post. I am trying out a new Halogen lamp I bought, I don't kno...

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Raman spectrometer using green laser pointer

by dhaffnersr over 1 year ago | 2 | 1,987 | 4

I want to build a simple but effective Raman spectrometer for analyzing inorganic particulates in...

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How to neutralize/remove the source's spectra to obtain absorption spectra?

shubham asked about about 1 year ago

Answers by dhaffnersr

answered on Aug 17, 2016 0

answered on Aug 17, 2016 0

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