Notes tagged with spectrometer

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Mid stream Urine analysis: Check whether you need to drink more water or not

by chongyukwai 5 days ago | 4 | 284 views | 2

Background: This is an experiential application of using spectro as a measurement of the concentr...

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Internal Image of Desktop Spectrometer with "Gum Stick" Camera

by kbollhorst 28 days ago | 0 | 562 views | 2

I have posted an image of the "gum stick" camera version of the desktop spectrometer. I wish to a...

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The accidental raspberry pi spectrometer: first light

by khufkens 29 days ago | 0 | 644 views | 2

I put my design together today. The design used is shown below, but has some issues still. Genera...

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can a surface sheen be collected for oil testing?

by mathew about 1 month ago | 1 | 542 views | 2

image by by Cesar Harada CC-BY-NC-SA Can an oil slick be picked up off the surface and concentra...

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curved grating

by DarkGreen 2 months ago | 2 | 639 views | 0

so... I use a blank DVD-R, and ofcause that makes the grating curved. Are there any software for...

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a history of crediting contributions

by mathew 2 months ago | 3 | 971 views | 3

photo credit @Stevie, Washington University students build camera rigs. Giving proper credit for...

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Link to: An introduction to the use of fluorescence spectroscopy in inorganic analysis

by Frikkie 2 months ago | 0 | 860 views | 1

This is some very useful info: www.perkinelmer.co.kr/files/fluorescence_inorganic.pdf

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Baffle for Spectrometer 3.0

by ke4rjg 2 months ago | 3 | 849 views | 2

Sometimes, scattered light can degrade the contrast of the spectrum, particularly if you are obse...

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PLab 3 Gain Correction

by stoft 3 months ago | 9 | 711 views | 2

In a previous note ( http://publiclab.org/notes/stoft/02-25-2015/plab-spectrometer-gain-correcti...

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Gulf Coast: Build your own spectrometer event!

by stevie 3 months ago | 0 | 769 views | 1

Public Lab and IDIYA are hosting a “Build your own spectrometer” event! Colored light is given o...

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Multi parameter analysis using a DIY Spectrometer

by Frikkie 3 months ago | 4 | 970 views | 4

A colorimeter, flame photometer and conductivity meter all in one. A few years back I got fas...

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PLab 3 Spectrometer Upgrade Prototype

by stoft 3 months ago | 6 | 893 views | 3

Even though the ink is barely dry on the new manuals for the PLab 3.0 Spectrometer Kit, I'd like ...

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CFL Cal Error Explained

by stoft 3 months ago | 3 | 619 views | 2

The PLab spectrometer can be, and should be, calibrated for wavelength. Presently this can be acc...

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Optimal Slit Width

by stoft 3 months ago | 0 | 608 views | 1

The PLab spectrometers use a thin slit to provide pseudo-collimated light which has been effectiv...

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PLab 3 Sanm Camera Focus

by stoft 3 months ago | 0 | 547 views | 2

There has been continuing discussion about PLab spectrometer camera focus since poor focus can ad...

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PLab Spectrometer Gain-Correction

by stoft 3 months ago | 8 | 550 views | 3

Calibrating the PLab spectrometer for absolute intensity will likely remain a difficult and expen...

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Planning for Spectral Workbench 2.0

by warren 4 months ago | 20 | 1,270 views | 4

Hello Spectral Workbench community! Do you wish you could do more with Spectral Workbench? Do y...

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Working with the Spec. 3.0!

by stevie 4 months ago | 4 | 948 views | 4

I was interested in testing out the new Public Lab Desktop Spectrometry Kit 3.0 and was excited t...

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Adjustment of slit in Gullaume123 spectrometer

by Guillaume123 4 months ago | 1 | 608 views | 3

As promised, here are the details of the slit adjustment of my spectrometer. The clips have notes...

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Spectrometer for analysing garden soil

by Guillaume123 4 months ago | 8 | 927 views | 3

I am new to this game and have already made one mistake. I hope that this effort gets published. ...

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shortlinks: putting contributors directly on a kit

by mathew 4 months ago | 3 | 898 views | 2

What I want to do I want to help users of Public Lab kits understand community research that goe...

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Preparing a DVD-R to act as a diffraction grating

by MrBumper 5 months ago | 11 | 2,473 views | 2

Main image - A segment of a DVD-R bottom layer with the photo-reactive dye removed See also - ht...

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Question: Spectrometer Desing

by Deforme 5 months ago | 2 | 905 views | 1

Let's think, we have a detector array (128x1 and each cmos detector responds 400 to 1000 nm TSL14...

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a paper spectrometer design, pt 2

by mathew 6 months ago | 11 | 2,271 views | 3

What I want to do This is a substantial revision to an earlier design, which integrated a bunch ...

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Low-cost multimeter colorimeter

by jakemartin 6 months ago | 4 | 1,260 views | 2

What I want to do Make low cost quantitative measurements of the concentration of chemicals in s...

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a paper spectrometer design

by mathew 7 months ago | 7 | 1,777 views | 3

What I want to do build a spectrometer that doesn't use a conduit box, out of mostly paper and c...

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CFL detection by contrast, for auto-calibration

by warren 7 months ago | 0 | 978 views | 0

What I want to do I was thinking we might be able to do a crude but very fast CFL detection by m...

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Passing Light Through an Object.

by amysoyka 7 months ago | 0 | 1,118 views | 1

What I wanted to do Related Posts: http://publiclab.org/notes/amysoyka/10-07-2014/a-lil-box-for-...

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Spectral Workbench previewing and clipping warnings

by warren 7 months ago | 1 | 2,138 views | 2

Just a quick update here - I added a webcam preview to the capture interface (see above) as well ...

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Quantifying reflector brightness assistance

by warren 7 months ago | 1 | 789 views | 1

What I want to do At the New Orleans oil testing meetup, started using reflective foil mylar (li...

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