Notes tagged with spectrometer

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Resolution Test Using 532nm Laser and 405nm UV Laser Pointer

by dhaffnersr 3 days ago | 3 | 178 | 1

Resolution Test for The DH 4.0 v4 Spectrometer (Replaced Slit with new 0.09mm Gillette metal razo...

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Effects of Solvents on Fluorescence of Biological Dyes

by dhaffnersr 5 days ago | 0 | 173 | 0

_5 Biological Dyes in Water and Isopropyl Alcohol Author David H Haffner Sr. 08/24/2016_ Abstra...

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Final Data Analysis for My New 0.11mm Entrance Slit Design

by dhaffnersr 8 days ago | 0 | 129 | 0

Abstract This is the final data analysis for my new 0.11mm slit design. I used Eosin Y as my med...

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Special Scan - Sweet Wyoming Crude Oil 2D EEM Analysis of 0.11mm Slit Width

by dhaffnersr 9 days ago | 0 | 132 | 0

These are 4 EEM graphic plots showing the before and after effects of removal of Rayleigh/Raman S...

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Comparison Values for 0.09mm and 0.11mm Slit Width

by dhaffnersr 11 days ago | 0 | 158 | 0

Here is the data for the second part of my comparison of the 0.09mm acetate film strip and the 0....

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EEM 2D Spectrums Showing Evidence of Attenuation from Imperfections in Acetate Film Strips

by dhaffnersr 11 days ago | 1 | 170 | 0

This is part 2 from my previous research post on Microscopic View of Public Lab's Acetate film sl...

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Microscopic View of Public Lab's Acetate film slits

by dhaffnersr 12 days ago | 3 | 165 | 0

I have wanted to do this for awhile now, and finally got around to it and I am glad I did, I took...

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UV Laser Pointer and Green Laser Spectra Through 1 Quartz Cuvette

by dhaffnersr 13 days ago | 0 | 227 | 0

2 Different Laser Wavelength's through 6 Different Solvents I wanted to test the resolution of m...

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Carbol Fuchsin Doped with Lugol’s Iodine Solution AUG 13 2016

by dhaffnersr 15 days ago | 1 | 162 | 0

References http://en.wikipedia.org/wiki/PH - what pH indicatio...

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SNR Data for Eosin Y Study on 8/10/2016

by dhaffnersr 19 days ago | 0 | 216 | 0

Absorption and Emission of Eosin Y in Ethanol Eosin is a name of several fluorescent acidic comp...

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Complete Redesign of Entrance Slit

by dhaffnersr 21 days ago | 0 | 268 | 1

I have been also working on a far more stable entrance slit design and decided to include it with...

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Build Instructions For The DH 4.0 v4 Spectrometer

by dhaffnersr 22 days ago | 0 | 444 | 1

Here are the step by step instructions for building the spectrometer that I am using at this mome...

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Validating The DH 4.0 v4 Spectrometer using - MALACHITE GREEN (Oxalate)

by dhaffnersr 23 days ago | 0 | 226 | 0

Environmental Impact of Malachite Green Here is an excerpt from a study done by The National Cen...

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DH 4.0 v4 Spectrometer Build Illustrations, Modifications and Specifications

by dhaffnersr 26 days ago | 0 | 401 | 2

The ZEN of simplicity Measurements between the slit to cmos camera eye are not as critical, as p...

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Chemical Analysis For Kirkland (organic) Extra Virgin Olive Oil

by dhaffnersr 26 days ago | 2 | 259 | 0

Olive Oil Study, using Acetone as primary solvent The major fatty acids in olive oil, triacylgly...

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Proving The Reliability Of The DH 4.0 v4 Spectrometer

by dhaffnersr 28 days ago | 0 | 264 | 1

A short tutorial on Fluorescein and is Place in the Visible Spectrum Fluorescein Sodium Althoug...

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Absorption spectra of extra virgin olive oil-Supplementation part III

by dhaffnersr about 1 month ago | 0 | 280 | 1

Supplemental analysis of initial absorption spectrum, related to Dave Stoft's challenge: Chemical...

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supplementation Data for Dave Stoft Challenge Part II

by dhaffnersr about 1 month ago | 0 | 309 | 2

SP07 – C04 Comparison Absorption Study - 4 samples (evoo) Olive oil, Crude oil, Motor oil (2 stro...

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Response to: Dave stoft's challenge (challenge proposed on 07/21/2016)

by dhaffnersr about 1 month ago | 2 | 235 | 1

To qualify (for this challenge) the application concept needs 1) some detail about the degree of ...

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Absorption and Emission of Safranin O using a 532nm green laser July 24, 2016

by dhaffnersr about 1 month ago | 0 | 269 | 0

A question I had asked myself was, “can I get an absorption and emission spectrum together at the...

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Absorption And Emission - Using The Plab v2.5 Spectrometer

by dhaffnersr about 1 month ago | 1 | 256 | 1

A continuation on this series of Absorption Spectroscopy We are going to examine the dye Rhodami...

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Absorption and Fluorescence Spectra of Safranin O (aka., Basic Red #2)

by dhaffnersr about 1 month ago | 2 | 317 | 0

Origin of the word “science” Latin Scientia- know This is a fundamental tutorial using the Red d...

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Capacitive Discharge Welder

by kinasmith about 1 month ago | 5 | 405 | 3

I've been working on this Mostly unrelated and relatively dangerous project over the past week ...

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Quantum Yield of Rhodamine B in Ethanol (Gain Corrected Spectra)

by dhaffnersr about 1 month ago | 1 | 413 | 0

Rhodamine B is a chemical compound and a dye Abstract Rhodamine B is a chemical compound and a ...

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Using a Rhodamine B standard to correct some past research mistakes...

by dhaffnersr 2 months ago | 8 | 307 | 0

I was going to post a new research note on a Rhodamine B concentration study yesterday and decide...

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Plab v2.5 (upgrade 2) Comparison Spectra to SpexFluoroMax Spectrometer

by dhaffnersr 2 months ago | 28 | 795 | 0

Abstract This was the original spectrometer from Plab's spectrometer kit that inspired me to mod...

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WebValley 2016: improved compact spectrometer

by cristoforetti 2 months ago | 7 | 678 | 0

What I want to do Second post about the development of a portable spectrometer to be used outdoo...

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Tested 3 High Powered LEDs Red, Blue and Violet (UV)

by dhaffnersr 3 months ago | 4 | 520 | 0

I made a new power supply for my LEDs, and wanted to test it out so here are the results of that ...

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Using Precision Measurements for Qualitative Analysis-Fluorescein in Ethanol

by dhaffnersr 3 months ago | 0 | 278 | 0

Abstract Conclusion in this series on precision measurements; Our final measurements involve flu...

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Using Precision Measurements for Qualitative Analysis-Rhodamine B in Ethanol

by dhaffnersr 3 months ago | 0 | 359 | 0

Abstract Part two in this series on precision measurements; building on what we have learned so ...

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