Is a spectrophotometer able to detect contaminants and traces of heavy metals, like: Lead, Mercury, Cadmium, Chromium, Arsenic, Copper and Nickel? Which is the best method for continous tracking of contaminants in river water?

water-quality question:general first-time-poster spectrophotometry Post an answer

asked by falbriard new contributor 7 days ago | 0 | | 108 | 0

Anyone have experience with diy soil testing methods for contaminants- Colorimetry, spectometry, reagents, etc?

oil barnraising soil testing Post an answer

asked by DanielleS 7 days ago | 0 | | 54 | 0

What kinds of environmental tools or hardware do you want explore (or invent) at Barnraising?

diy barnraising tools hardware Post an answer

asked by Bronwen 12 days ago | 2 | | 93 | 3

How do you test for oil and gas-related contaminants in soils?

oil soil contamination testing Post an answer

asked by DanielleS 27 days ago | 3 | | 193 | 4

How to do the white-balancing for the RED filter?

near-infrared-camera ndvi question:general general Post an answer

asked by cagiva 28 days ago | 5 | | 148 | 0

Gsoc 2019 Participation ?

Answered

answered question:general first-time-poster Post an answer

asked by manas_man95 new contributor about 1 month ago | 0 | | 114 | 0

What are your thoughts about searching for content on the Public Lab website?

question:general question:ui question:search question:ux Post an answer

asked by Bronwen about 1 month ago | 1 | | 140 | 1

a platform for Seeing the Shutdown?

question:general Post an answer

asked by pataxte about 1 month ago | 1 | | 104 | 0

How to calibrate the white-balance for NDVI using the BLUE filter?

near-infrared-camera ndvi calibration infrared Post an answer

asked by cagiva about 1 month ago | 1 | | 145 | 0

Should the Purple Air be co-located with a weather station?

air wind pm weather Post an answer

asked by stevie with Cbarnes9 , OrionAllgaier about 1 month ago | 0 | | 117 | 0

I'm looking for advice using a gopro hero 2 with 32gb memory card for aerial kite photography.

picavet photography kite gopro Post an answer

asked by iragersh about 1 month ago | 1 | | 113 | 1

Where can I find the instructions?

image-processing diy biology question:general Post an answer

asked by jpater about 2 months ago | 4 | | 87 | 0

The waterproof IR camera page says that the camera has WiFi. Does it? How do I access it?

question:general first-time-poster Post an answer

asked by bps about 2 months ago | 1 | | 79 | 0

Do you people have ideas on how to make demineralized water?

Answered

water answered question:general demineralized Post an answer

asked by aemilius89 2 months ago | 0 | | 101 | 1

CRI software for spectrometer?

question:general response:10238 Post an answer

asked by FineArtLight 2 months ago | 3 | | 90 | 0

need information on self-watering irrigation systems, rainwater capture down spout filter, dew collection systems

new-york-city williamsburg irrigation hardware Post an answer

asked by birdlink 2 months ago | 3 | | 97 | 4

NDVI: How is NIR value removed/separated from the RED+NIR that enters the red channel when using a single camera?

Answered

ndvi nir infragram answered Post an answer

asked by Anice 2 months ago | 0 | | 77 | 0

How do you put together the basic microscope kit, without the Raspberry Pi??

webcam microscope question:general community-kits Post an answer

asked by sja 2 months ago | 0 | | 71 | 0

Has odor ever been used against an industry in court?

advocacy odor question:general odor-log Post an answer

asked by stevie 2 months ago | 0 | | 63 | 0

Has anyone had any experience converting the Canon SD1000 to infra-red?

near-infrared-camera conversion filter infragram Post an answer

asked by shinnen 3 months ago | 1 | | 59 | 0

Are there any designs for a water depth sensor using echo sounding and not pressure?

water oyster depth question:general Post an answer

asked by iragersh 3 months ago | 2 | | 74 | 0

Looking for recommendations for underwater video stream to surface

video water underwater stream Post an answer

asked by iragersh 3 months ago | 2 | | 81 | 0

Any pole photos of community gardens?

urban-ag pole-mapping question:general gardens Post an answer

asked by pataxte 3 months ago | 4 | | 89 | 1

Is Lego Spectrometer Kit able to detect Glucose?

spectroscopy sugar urine question:general Post an answer

asked by kokoz 3 months ago | 1 | | 84 | 0