Notes tagged with spectrometer

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

by dhaffnersr about 16 hours ago | 2 | 90 | 0

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 5 days ago | 0 | 110 | 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 7 days ago | 1 | 154 | 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 11 days ago | 2 | 162 | 0

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

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Spectrometer from a drone

by sylvainbonhommeau 18 days ago | 5 | 311 | 0

Hi guys and congrats on this project, it's amazing! I'd like to know if it would be possible to t...

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Capacitive Discharge Welder

by kinasmith 18 days ago | 5 | 264 | 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 19 days ago | 1 | 224 | 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 about 1 month ago | 8 | 246 | 0

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

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Mini spectrophotometer - how does this deviate from the Beer-Lambert law?

by FoxClass about 1 month ago | 7 | 297 | 0

I'm looking at using the mini foldable spectrophotometer (from Public Lab) to monitor qualitative...

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

by dhaffnersr about 1 month ago | 28 | 586 | 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 about 1 month ago | 7 | 575 | 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 about 1 month ago | 4 | 477 | 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 about 1 month ago | 0 | 246 | 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 about 1 month ago | 0 | 286 | 0

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

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Using Precision Measurements for Qualitative Analysis-Eosin Y in NaOH3

by dhaffnersr about 1 month ago | 0 | 377 | 0

Abstract This is a continuation on my series of using precision measurements for qualitative anal...

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Using Precision Measurements for Qualitative Analysis

by dhaffnersr about 1 month ago | 0 | 467 | 1

I wanted to demonstrate and show how I get such precise measurements when I am preparing dilute s...

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My cat helped me out on this one!

by dhaffnersr about 1 month ago | 0 | 294 | 0

I finally was able to do a 4 sample concentration study with Eosin Y in Ethanol, for some odd rea...

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New Laser mount for the DH 4.2 Spectrometer

by dhaffnersr 2 months ago | 0 | 497 | 0

**I had to build a far more stable apparatus for holding my laser when illuminating the samples i...

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Calculating PPM (parts per million) and Accuracy results for The DH 4.2 spectrometer (homemade)

by dhaffnersr 2 months ago | 0 | 547 | 0

Abstract Quality sample preparation is a critical element in the analysis of spectral data, so t...

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New Cuvette Holder design done on SmartDraw CAD

by dhaffnersr 2 months ago | 3 | 575 | 0

I redesigned the cuvette holder finally, this is just the prototype but she works great. It loo...

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CFL scans using the DH 4.2 spectrometer

by dhaffnersr 2 months ago | 1 | 565 | 0

I did 8 scans today of a CFL (compact fluorescent light) using a 27 minute random time frame. Al...

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Chemical Analysis [Polycyclic aromatic hydrocarbons] in Crude oil

by dhaffnersr 2 months ago | 1 | 552 | 0

Abstract This is a continuation from my previous research on 05/18/2016. Chemical analysis on 2 ...

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Crude oil analysis (sweet crude) Laramine county carpenter Wyoming USA

by dhaffnersr 2 months ago | 1 | 705 | 0

****ABSTRACT Crude oil analysis (sweet crude) Laramine county carpenter Wyoming USA (Late Cretace...

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Spectrometer design 3d printer box

by sebastian04 2 months ago | 0 | 656 | 1

tapacamara.stl I was about to remove a webcam which was home but seeing the pout with which my ...

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DH 4.2 (build 4.0.1) spectrometer vs SpexFluoroMax spectrometer

by dhaffnersr 3 months ago | 1 | 784 | 0

****ABSTRACT Accuracy and calibration testing for the DH 4.2 (build 4.0.1) homemade spectrometer ...

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A more compact spectrometer

by cristoforetti 3 months ago | 12 | 1,012 | 1

What I want to do For the WebValley 2016 Summer School (https://webvalley.fbk.eu), together with...

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Introducing the DH 4.2 Spectrometer (prototype build 4.0.1)

by dhaffnersr 3 months ago | 0 | 781 | 0

What I want to do 1) To construct a reliable and accurate spectrometer 2) To make it cost effect...

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New upgrade today for my spectrometer/New CCD camera module

by dhaffnersr 3 months ago | 9 | 778 | 0

I replaced the old webcam that came with the plab spectrometer kit today with a newer and far sup...

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Further explaining quantum yield

by dhaffnersr 3 months ago | 2 | 633 | 1

I wanted to present this as a learning tool for others who may be interested at how these calcula...

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Quantum Yield calculations for Fluorescein in Potassium bromide

by dhaffnersr 3 months ago | 2 | 679 | 0

I finally figured out how to calculate the quantum yield for a sample, so using the raw data from...

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