Notes tagged with spectrometer

Ask a question about spectrometer or Sign up to answer questions on this topic

Detection of Added Sugar in Red Wine Using Visual Light Spectroscopy

by ygzstc | 1 day ago | 7 | 223 views | 5

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

Read more »


A Retrospective of Spectrometer Design Ideas 2011-2014

by mathew | 10 days ago | 0 | 360 views | 0

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

Read more »


A New Orleans Event

by stevie | 16 days ago | 2 | 432 views | 1

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

Read more »


Spectrometer slit width thoughts

by warren | 20 days ago | 5 | 380 views | 0

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

Read more »



Oil testing spectrometry workshop at Fab 10

by warren | 20 days ago | 5 | 502 views | 1

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

Read more »


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

by eustatic | 29 days ago | 5 | 495 views | 2

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

Read more »


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

by eustatic | 30 days ago | 2 | 478 views | 1

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

Read more »


Troubleshooting: White light instead of emission spectra

by lionheadrex | about 1 month ago | 7 | 240 views | 0

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

Read more »



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

by Henry0815 | about 1 month ago | 5 | 1,014 views | 3

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

Read more »


Questions about DIY spectrometer and e-liquid ingredients

by nickha | about 1 month ago | 2 | 624 views | 3

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

Read more »


PLab's WebCam (Non)Linearity

by stoft | 2 months ago | 0 | 832 views | 2

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

Read more »


Echo Hack 2014

by chrisjob | 3 months ago | 0 | 778 views | 0

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

Read more »



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

by ygzstc | 3 months ago | 8 | 3,213 views | 4

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

Read more »


WheeTrometer 2.0

by bhickman | 3 months ago | 5 | 1,233 views | 2

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

Read more »


reducing reflections in foldup spec

by liz | 4 months ago | 2 | 811 views | 1

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

Read more »


An attempt to test olive oil substance with spectrometer.

by muyueh | 4 months ago | 1 | 974 views | 2

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

Read more »



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

by warren | 4 months ago | 3 | 1,248 views | 2

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

Read more »


DIY Micro Volume Spectrophotometer

by gaudi | 4 months ago | 3 | 1,162 views | 2

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

Read more »


Test Rig for Portable Spectrometer

by silverhammer | 4 months ago | 2 | 1,100 views | 1

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

Read more »


Calibrating Spectrometers from fluorescent light bulbs

by jholmes5 | 4 months ago | 2 | 1,292 views | 1

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

Read more »



Oil Fluorescence Testing station from a spectrometer box

by mathew | 4 months ago | 3 | 1,344 views | 2

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

Read more »


Food grade oil samples

by liz | 4 months ago | 1 | 814 views | 0

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

Read more »


GSoC Proposal SpectralWorkbench

by PascalW | 5 months ago | 24 | 965 views | 2

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

Read more »


Workshop: spec-tacular

by liz | 5 months ago | 4 | 698 views | 0

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

Read more »



HDR2: Using Over-Exposure to Your Advantage

by stoft | 5 months ago | 3 | 781 views | 1

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

Read more »


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

by silverhammer | 5 months ago | 1 | 1,098 views | 0

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

Read more »


Automatic Spectrometer Calibration and Offline SWB - GSoC 2014 Proposal

by Sreyanth | 5 months ago | 18 | 911 views | 1

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

Read more »


Evaluation of Pesticide Residues in Organic Raspberries using Different Extraction Solvents

by silverhammer | 5 months ago | 6 | 948 views | 2

Purpose Explore alternative extract solvents that are easier to work with or more readily access...

Read more »



3D Printed body for DIY Spectrometry Kit

by RTegelbeckers | 5 months ago | 3 | 946 views | 2

I received a DIY Spectrometry Kit as part of a price on the 'Build My Lab' contest on instructabl...

Read more »


Mobile cuvette holder

by cfastie | 5 months ago | 3 | 1,564 views | 1

At SNOWFEST we made great progress on the smartphone spectrometer cuvette holder thanks to Jeff's...

Read more »