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Public Lab Nonprofit Team

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about 11 hours ago

Ag8n commented on How to measure the pH of a solution with a purple cabbage? Its relation to water quality 3 days ago

For a couple other reads, look up "The Effect of pH on Color Behaviour of Brassica oleracea Antho...

kgradow1 commented on Communicating Air Quality Data: Research Area Review Summary 3 days ago

<3 sorry I missed this, but looking forward to digging into these resources

kgradow1 commented on Logging Complex Odors 3 days ago

This is awesome. Sharing this resource from SDCEA, though I assume you've already seen it! http...

Fernmoss new contributor commented on Testing high-brightness 405nm LEDs in fluorescence spectroscopy of oils 6 days ago

Can a 405 nm led be used to visualize heating oil stains?

New edit by stevie

Events

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9 days ago

bhamster commented on How to measure the pH of a solution with a purple cabbage? Its relation to water quality 10 days ago

I did this! We tested vinegar, baking soda, lemon juice, pickle juice, and carbonated water. A lo...

alejobonifacio commented on How to measure the pH of a solution with a purple cabbage? Its relation to water quality 12 days ago

Hi @Ag8n! Thanks for your reply! I had this cabbage solution in fridge almost a week and I didn't...

ethaniel commented on How to Open and Clean a PMS 5003 Air Sensor 16 days ago

I used your manual to clean my Purpleair PMS5003 sensor. Ended up messing both of them up (sensor...

StroudCenterScott new contributor commented on EnviroDIY Monitoring Station 18 days ago

Great question, @bhamster. You can send data to the Monitor My Watershed data sharing portal from...

bhamster commented on EnviroDIY Monitoring Station 19 days ago

Thanks so much for sharing this @StroudCenterScott! I had heard about the Mayfly data logger from...

bhamster commented on How to meassure plastics for BPA? 21 days ago

Thanks for this vital information @Ag8n!

Ag8n commented on How to meassure plastics for BPA? 22 days ago

The nir instruments are heavily used in agriculture. The company I worked for wanted to use Near ...

Ironman new contributor commented on How to meassure plastics for BPA? 22 days ago

Thanks for all your answers and help. But solving all kind of plastics or swapping them with iron...

Ag8n commented on How to meassure plastics for BPA? 23 days ago

Please go to the web page mentioned. You will see that this test works by reacting the extract w...

stevie commented on Seeking Frontline Community Organizers to lead Public Lab’s Fellowship Teams 23 days ago

@stevie has marked @stevie as a co-author.

bhamster commented on How to meassure plastics for BPA? 24 days ago

There are some potential leads in this Twitter thread (screenshot below) Thanks @liz and @sara...

Ag8n commented on How to meassure plastics for BPA? 24 days ago

A better approach would be Uv/ vis. Phenols, such as BPA, absorb at about 280 nm. So you would ...

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Open Call

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24 days ago

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24 days ago

liz commented on Printable 3D Spectometer 25 days ago

Thanks this is great! thank you @mdiego2798

liz commented on Stetson University Ponce Preserve Aerial Map 10/7 25 days ago

nice stitch!

deeptalaxmibharadwaj commented on Building Snake Plant Air Remediation kit in Bangalore, India 26 days ago

Thanks for the good comment. You could try find snake plants or a species of them in sub tropical...

warren commented on Use Git and GitHub to contribute and improve Public Lab software about 1 month ago

Sorry Cess I must've missed this email. Yes let's change it for sure. Ok, done!

xavcc commented on Training on "Bioassay Test with seed to expose toxicity" about 1 month ago

Thank you @Ag8n for pointing it. Yes, it is. I wrote it in the list. I hope the upcoming images w...

Ag8n commented on Training on "Bioassay Test with seed to expose toxicity" about 1 month ago

Please tell me if this is correct. Is a double decimeter also called a ruler calibrated in centi...

Ag8n commented on Water analysis / General presentation about 1 month ago

Thank you for the reply. The new page is much better. As for quartz cuvettes, I used them for 2...

xavcc commented on Water analysis / General presentation about 1 month ago

Hi @Ag8n, Thank you for checking. I wrote an ambiguous nomination fro this container. I just corr...

warren commented on Can NOIR camera distinguise different types of leaf? about 1 month ago

If you open "camera settings" on the camera page you can adjust the white balance as described he...

shahdharam7 commented on Why Red filter results are blurry compared to Blue filters? about 1 month ago

Hi warren, Thank you for your response. I have used PI camera as mentioned in the link below. h...

shahdharam7 commented on Can NOIR camera distinguise different types of leaf? about 1 month ago

Hi Warren, Thank you for your reply. Image (2) and (4) are taken using infragram pi camera. The...

Ag8n commented on Water analysis / General presentation about 1 month ago

I think this is a typo. Under container material, the first entry is quartz(a crystalline silica...

warren commented on Why Red filter results are blurry compared to Blue filters? about 1 month ago

Sometimes different cameras use only one channel to focus, in order to work faster (less time com...

warren commented on Can NOIR camera distinguise different types of leaf? about 1 month ago

Hi, good questions! You may want to try doing a better white balance to try to get better signal...

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Research Area Reviews Archive

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Cleaning and Organizing Environmental Data

about 2 months ago

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sandbox-cleaning-and-organizing-data

2 months ago

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Air Quality Data

2 months ago

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Fracking

2 months ago

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sandbox-air-quality-data

3 months ago

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mmmp

3 months ago

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The Mountains and Mines Monitoring Project

3 months ago

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Wastewater

4 months ago

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sandbox-facilitation

5 months ago





A shared knowledge base for community science

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Public Lab Nonprofit Team

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Open Call

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Reviews

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Research Area Reviews Archive

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Air Quality Data

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Fracking

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sandbox-air-quality-data

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mmmp

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Wastewater

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sandbox-facilitation

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