| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| alejobonifacio | "I did this! Hi! Long time has passed since this original post. I was doing some in field measurements with this Cave Pearl Project based data logge..." | Read more » | almost 2 years ago | |||
| Ag8n | "The conductivity cell should take the place of Rx. So disconnect the conductivity cell, disconnect Rx, leave the one of the conductivity cell conn..." | Read more » | about 2 years ago | |||
| alejobonifacio | "Thanks @Ag8n for the explanation! I am learning a lot! :nerd_face: " | Read more » | about 2 years ago | |||
| alejobonifacio | "Hi @Ag8n! What you suggest sounds interesting. Would it be something similar to the attached diagram? " | Read more » | about 2 years ago | |||
| Ag8n | "Further note-EC is electrical conductivity " | Read more » | about 2 years ago | |||
| Ag8n | "Especially in mixtures, not all soluble solids are conductive. So yes, you can dissolve (or sometimes suspend) something inert in water. We would..." | Read more » | about 2 years ago | |||
| warren | "This is very cool! I do wonder if TDS is going to be consistently correlated with conductivity -- i may just not be well informed but isn't it poss..." | Read more » | about 2 years ago | |||
| Ag8n | "Look up conductivity cell and wheatstone bridge Instead of feeding DC into the weatstone bridge, the audio signal is fed in. One leg of the wheats..." | Read more » | about 2 years ago | |||
| alejobonifacio | "Thanks for your suggestion @Ag8n, sounds very interesting to try. Anyway I have to be honest and say that I don't quite figure out how to do what y..." | Read more » | about 2 years ago | |||
| Ag8n | "It looks like the Coqui is a pretty well designed instrument. But, some of the pharmaceutical instruments would send the tone through a bridge. T..." | Read more » | about 2 years ago | |||
| floribabiden | "hello, Thank you so much for sharing this helpful information, it helped me alot Thanks and regards.:) " | Read more » | almost 3 years ago | |||
| alejobonifacio | "Hola @nanocastro! :raised_hands: I don't know so much about Open-Flexure, but I'll love to play with one :microscope: And the nitrate determinator..." | Read more » | almost 3 years ago | |||
| nanocastro | "Hola I just see this post. @alejobonifacio it is really interesting what you are doing with the appear!! We are now playing with openflexure micro..." | Read more » | almost 3 years ago | |||
| alejobonifacio | "Nice! :heart: I found the link :muscle: https://www.intechopen.com/books/biosensors-for-environmental-monitoring " | Read more » | almost 3 years ago | |||
| alejobonifacio | "Thanks @Ag8n for all these information! " | Read more » | almost 3 years ago | |||
| alejobonifacio | "Hi @bhamster! Thanks for sharing these info... I also see in the Nuestros Suelos url, some interesting comments about kits of nitrates that can b..." | Read more » | almost 3 years ago | |||
| Ag8n | "One of the chapters in the book is "Biosensors for the determination of heavy metals in water". The chapter is by Amra Odobasic, Indira Sestan, an..." | Read more » | almost 3 years ago | |||
| Ag8n | "There were some books on " Biosensors for environmental engineering" published a couple of years ago. They had chapters on heavy metal detection. ..." | Read more » | almost 3 years ago | |||
| Ag8n | "If you shop on the commercial sites, there are claims that their kits ( for a variety of tests) will cover soil even though the kits are designed f..." | Read more » | almost 3 years ago | |||
| bhamster | "@alejobonifacio, thanks for sharing the video, it was great to see such engaged students and how they use the DIY microscopes and app together 😀 R..." | Read more » | almost 3 years ago | |||
| pornwb746 | "nice post great work big thanks " | Read more » | almost 3 years ago | |||
| nestocean85 | "https://onlinemocktest2.blogspot.com/2020/06/sbi-po-2021-exam-important-information.html https://boxofficeindiablog.wordpress.com/2020/06/08/ajay-d..." | Read more » | almost 4 years ago | |||
| liz | "Thank you @alejobonifacio ! I aim to tune in. " | Read more » | almost 4 years ago | |||
| alejobonifacio | "Hello Liz! the project is about data logging and sharing water quality with open hardware. If you want to hear more about the project, I invite you..." | Read more » | almost 4 years ago |