Notes tagged with spectrometer

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Equalizing area of spectral graphs for comparison

by warren | about 8 hours ago | 0 | 13 views | 0

What I want to do During the development of testing techniques with spectrometers in the Public ...

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Spec Cam to Infragram w/the flip of filter? (Rosco "Fire" #19)

by Natalie | 1 day ago | 3 | 52 views | 0

What I want to do I would like to see if the "low-cost" webcam we are using currently for our De...

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Spectrometer on a chip

by WhiteRabbit | 4 days ago | 2 | 153 views | 1

I ran across this all-in-one chip while I was just now looking into filter wheels, and I thought ...

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Detection of Added Sugar in Red Wine Using Visual Light Spectroscopy

by ygzstc | 7 days ago | 12 | 499 views | 6

Introduction Naturally occurring sugar is the sugar found in whole, unprocessed foods, such as m...

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A Retrospective of Spectrometer Design Ideas 2011-2014

by mathew | 16 days ago | 0 | 426 views | 0

Here is a history of public lab spectrometer research ideas up to the present. There is really n...

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A New Orleans Event

by stevie | 22 days ago | 2 | 509 views | 1

Join us for an evening of exploring spectrometry! Could you identify a substance just by looking...

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Spectrometer slit width thoughts

by warren | 26 days ago | 5 | 436 views | 0

What I want to do I'd like to propose a couple changes to the optical slit based on observations...

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Oil testing spectrometry workshop at Fab 10

by warren | 26 days ago | 5 | 576 views | 1

I ran a small session on developing the oil test kit spectrometer yesterday in Barcelona (http://...

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Team Orca resurrected --Gulf Monitoring Consortium test for BP tar

by eustatic | about 1 month ago | 5 | 525 views | 2

Draft Reflections on the Alpha Oil Testing Kit [to be continued] Team Orca has rolled over. E...

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[GMC] [reference] on the need to monitor for Persistant Dispersant chemicals

by eustatic | about 1 month ago | 2 | 562 views | 1

Industry and US Government may be wrong on dispersant Corexit http://publiclab.org/notes/eustati...

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Troubleshooting: White light instead of emission spectra

by lionheadrex | about 1 month ago | 7 | 257 views | 0

What I want to do Fix my spectrometer (I only see a white light instead of an emission spectra) ...

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Question: any low light settings for web cam used in desktop spectrometry kit?

by Henry0815 | about 1 month ago | 5 | 1,039 views | 3

I wanted to measure fluophore response to excitation with the supplied laser diode pen. The fluop...

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Questions about DIY spectrometer and e-liquid ingredients

by nickha | about 1 month ago | 2 | 641 views | 3

What I want to do I would like to know if the DIY spectrometer is capable of giving me an idea o...

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PLab's WebCam (Non)Linearity

by stoft | 2 months ago | 0 | 841 views | 2

We all know that when looking at the spectrometer's color band, and the associated spectral respo...

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Echo Hack 2014

by chrisjob | 3 months ago | 0 | 793 views | 0

I calibrated and tested a DIY made spectrometer I used a florescent light bulb to calibrate my s...

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Detection of Olive Oil Adulteration (with Peanut Oil) Using Visual Light Spectroscopy

by ygzstc | 3 months ago | 8 | 3,289 views | 4

Introduction Food fraud, especially “Economically Motivated Adulteration (EMA)” of food and food...

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WheeTrometer 2.0

by bhickman | 3 months ago | 5 | 1,260 views | 2

WheeTrometer 2.0 What we want to do: We want to provide an affordable, open source spectrophoto...

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reducing reflections in foldup spec

by liz | 4 months ago | 2 | 827 views | 1

Originally, it was stoft who pointed out that the shininess of cell phones backs when using the f...

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An attempt to test olive oil substance with spectrometer.

by muyueh | 4 months ago | 1 | 986 views | 2

What I want to do An attempt to test olive oil substance with spectrometer. This will happen ton...

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Selenium detection methods & ideas on e-cigarette atomizers for DIY analysis

by warren | 4 months ago | 3 | 1,272 views | 2

This PDF has some great notes on all different approaches for measuring selenium in soil, water, ...

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DIY Micro Volume Spectrophotometer

by gaudi | 4 months ago | 4 | 1,195 views | 2

Attempt to build DIY Microvolume Spectrophotometers or Fluorospectrometers to quantitate micro-vo...

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Test Rig for Portable Spectrometer

by silverhammer | 4 months ago | 2 | 1,113 views | 1

What I want to do I got inspired from this post on checking oils spills posted earlier. What in...

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Calibrating Spectrometers from fluorescent light bulbs

by jholmes5 | 5 months ago | 2 | 1,319 views | 1

I was at the Spectrometry Workshop in Brooklyn on Sunday and we were trying to follow the directi...

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Oil Fluorescence Testing station from a spectrometer box

by mathew | 5 months ago | 3 | 1,358 views | 2

Download the cut pattern as a pdf: cutpattern.pdf What I want to do modify the standard deskto...

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Food grade oil samples

by liz | 5 months ago | 1 | 830 views | 0

What I want to do Prepare simple, food grade oil samples to use to explore oil spectral analysis...

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GSoC Proposal SpectralWorkbench

by PascalW | 5 months ago | 24 | 996 views | 2

GsoC Proposal Name: Pascal Winkelmann E-Mail: Click! (anti spam) Affiliation: LMU Munich (Chem...

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Workshop: spec-tacular

by liz | 5 months ago | 4 | 713 views | 0

Event details When: Sunday, March 16 1:30pm - 4:30pm Where: 630 Flushing Avenue -- enter...

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HDR2: Using Over-Exposure to Your Advantage

by stoft | 5 months ago | 3 | 792 views | 1

Background Since writing some notes, a while back, on improving dynamic range ( HDR: In search of...

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Molar Absorptivity Coefficient of Enzyme-Substrate Complex in Pesticide Detection Assay

by silverhammer | 5 months ago | 1 | 1,117 views | 0

Purpose: Estimate the Molar Absorptivity Coefficient (e) of the enzyme-substrate (E-S) complex o...

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Automatic Spectrometer Calibration and Offline SWB - GSoC 2014 Proposal

by Sreyanth | 5 months ago | 18 | 941 views | 1

Name: Mora Sreyantha Chary, (fondly called as Sreyanth) Affiliation (school/degree): National In...

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