| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| jfalquet | "Thanks a lot, Jack! Considering the prices, I'm wondering whether adding a MID-IR filter to some cheaper detector, and strongly amplifying the resi..." | Read more » | about 5 years ago | |||
| JSummers | "Hi jfalquet, I dont have experience with this but it looks like getting out to 13 microns is neither easy nor cheap. Here are some options for a d..." | Read more » | about 5 years ago | |||
| Ag8n | "Yes, I have a lot of experience with a number of types of gc. First, if you are talking about buying a frog 5000, realize that you are really talk..." | Read more » | about 5 years ago | |||
| CheapFlightDealsToday | "Airlines Reservations, Travel Deals and Flights Tickets Deals 30% OFF American Airlines Reservations | American Airlines Flights Delta Airlines Res..." | Read more » | about 5 years ago | |||
| yp1080030 | " different types of nitrate tests: the brown ring test, Devarda's test, diphenylamine test, and copper turning test CLICK HERE " | Read more » | about 5 years ago | |||
| stevie | "Hi! This is helpful thank you!! can you say more about the tests- how you might conduct it, the costs or the supplies you need for each one? " | Read more » | about 5 years ago | |||
| healthydarkside | "There are four different types of nitrate tests: the brown ring test, Devarda's test, diphenylamine test, and copper turning test. The brown ring t..." | Read more » | about 5 years ago | |||
| Engineerjaykumar | "There is so many test for this these are: Nitrate can be removed from drinking water by three methods: distillation, reverse osmosis, and ion excha..." | Read more » | about 5 years ago | |||
| faldianzyah | "https://iswanto.com/paket-wisata-jogja/ https://iswanto.com/rental-sewa-mobil-jogja/ " | Read more » | about 5 years ago | |||
| Engineerjaykumar | "But, in other sense at the very complex residential city area, the noise polution can be reduced by some means of Brick masonry wall , and stone m..." | Read more » | about 5 years ago | |||
| CheapFlightDeals | "Cheap Flights to Florida Cheap Flights to Las vegas Cheap Flights to Newyork Cheap Flights to Chicago Cheap Flights to Miami Cheap Flights to Denv..." | Read more » | about 5 years ago | |||
| quickbook12345 | "QuickBooks Support Number " | Read more » | about 5 years ago | |||
| sam1232 | "Cement or concrete won't effect you that much if you aren't that closer " | Read more » | about 5 years ago | |||
| gloryaec | "Stevie, Thanks for asking this of others. Glory Adams On 12/16/2019 8:59 AM, notifications@publiclab.org wrote: Are the..." | Read more » | about 5 years ago | |||
| Bronwen | "I think the quickest/cheapest nitrate testing kits may be found in your local pet store (or online retailer) in the aquarium section.. you can get ..." | Read more » | about 5 years ago | |||
| drsarangrote | "Thank you " | Read more » | about 5 years ago | |||
| Cogreg | "I heard an earth-building expert say that if concrete were a nation, it would be the third most greenhouse-gas-producing nation in the world (after..." | Read more » | about 5 years ago | |||
| joyofsoy | "Yes. In my opinion. They’ll catch the particles. The speed will depend on the degree of mixing , ventilation and the size of the restroom. You may ..." | Read more » | about 5 years ago | |||
| joyofsoy | "We shared this on Twitter and got this response: my students have easily detected vaping signals on similar low-cost pm sensors. that being said, ..." | Read more » | about 5 years ago | |||
| Bronwen | "I don't know if this is helpful at all, but it shows a comparison of PM associated with e-cigarette vapors: https://www.ncbi.nlm.nih.gov/pmc/articl..." | Read more » | about 5 years ago | |||
| Bronwen | "This is a really interesting question! I know that the plantower sensors are affected by vapor, humidity, aerosols, though how comparable those res..." | Read more » | about 5 years ago | |||
| vipul9945 | "such article. visit " | Read more » | about 5 years ago | |||
| jessicac | "Thank you, these are all great ideas! " | Read more » | about 5 years ago | |||
| Spotify | "It's a great article about this. Thanks for sharing this with us. " | Read more » | about 5 years ago |