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17 research notes 17 questions

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first-time-poster formaldehyde dust conductivity air-sensors answered draeger-tubes atlas as220-wind-sensors aquarium

air-sensors

3 people discussing

Log Simple Air Sensor data to SD card   by @imvec
Air quality sensor detecting presence of ethylene oxide?   by @gccummings25
Ethylene Oxide Testing - Covington and Smyrna, GA   by @gccummings25
0 notes | 1 question | 1 comment by @Ag8n
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answered

1 people discussing

Where can diffusion tubes for detecting nitrogen dioxide be found in different parts of the world?   by @warren
DIY Salinity Measurements with Coqui and/or Multimeter?   by @Bronwen
How do I interpret the relationship between the schema.rb file and the models?   by @bsugar
0 notes | 6 questions | 59 comments by @Ag8n
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aquarium

0 people discussing

Substitution for conductivity meter   by @Ag8n
0 notes | 1 question | 4 comments by @Ag8n
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as220-wind-sensors

0 people discussing

How do I...use this with rtlsdr?   by @Ag8n
How do we measure particulate stuff in the air?   by @donblair
0 notes | 1 question | 3 comments by @Ag8n
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atlas

0 people discussing

Have you used the particle atlas?   by @Ag8n
0 notes | 1 question | 5 comments by @Ag8n
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conductivity

6 people discussing

Building the new Coqui   by @natevw
Pros/cons to cheap handheld water meters for pH, TDS, conductivity?   by @warren
Water sampling workshop with a "Mega-Coqui" kit with One Cranston   by @warren
0 notes | 1 question | 7 comments by @Ag8n
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draeger-tubes

0 people discussing

Formaldehyde levels   by @Ag8n
Bayou Sauvage Draeger tubes after 24 hours   by @Shannon
Excellent Geoscience Fieldtest of Photostrip H2S Detection   by @sara
0 notes | 1 question | 2 comments by @Ag8n
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dust

7 people discussing

Log Simple Air Sensor data to SD card   by @imvec
Simple air sensor assembly notes   by @natevw
Opencv.js for blob detection in microscopic images   by @aashnaaashna
0 notes | 2 questions | 12 comments by @Ag8n
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first-time-poster

61 people discussing

What is the spectral resolution of a Raspberry Pi camera spectrometer?   by @TC1994
Used the PiNoIR camera with blue filter for my experiment in order to obtain the values of NIR and Red region, now i wanted to know what out put we are getting is right or wrong?   by @harshitha
How can I make IR photos derived from various cutoff useful for creating NDVI (normalized difference vegetation index) images?   by @lev29
0 notes | 1 question | 49 comments by @Ag8n
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formaldehyde

8 people discussing

What is the air flow requirement for air sampling tubes? Any inexpensive method?   by @BostonFern
Air sampling tubes for formaldehyde: which brand is accurate?   by @BostonFern
Which is more accurate in measuring formaldehyde: air sampling tubes vs RKI FP-30?   by @BostonFern
0 notes | 1 question | 4 comments by @Ag8n
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@Ag8n

@Ag8n

Joined about 2 years ago

Retired, after 28 years, as an analytical chemist from a major pharmaceutical corporation.

Tags
  • chemistry