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dhaffnersr 267 research notes and wiki edits



Joined over 2 years ago



Prolight 1W 400-410nm UV LED (high brightness-350mA) Tested today

by dhaffnersr over 2 years ago | 0 | 799 | 0

I tested my Prolight LED on 3 samples: 1) Eosin Y in methanol 2) 10w40 motor oil-undiluted...

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Signal To Noise Ratio data graphs on various slit width's

by dhaffnersr over 2 years ago | 3 | 1,233 | 0

Here is an excel spread sheet graph on the various slit width's that we use: [![40mm_apr3.pn...

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Separation equipment I used in preparing my 10w40 oil sample

by dhaffnersr over 2 years ago | 0 | 698 | 0

[![my_log_book_Wnotes.JPG](//i.publiclab.org/system/images/photos/000/014/620/medium/my_log_book_...

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Procedure for separation of 10W40 motor oil

by dhaffnersr over 2 years ago | 0 | 1,746 | 1

Below are the steps I took in preparing my sample of 10w40 motor oil: [![Isopropyl_salted_ou...

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

by dhaffnersr over 2 years ago | 14 | 1,397 | 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 2 years ago | 2 | 1,641 | 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 2 years ago | 0 | 896 | 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 2 years ago | 0 | 649 | 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 2 years ago | 2 | 905 | 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 2 years ago | 4 | 1,215 | 2

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

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