| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Ag8n | " The set up seems very similar to one we used for flow injection analysis (F IA). Interesting article. It looks like you have one artic!e left. A..." | Read more » | almost 6 years ago | |||
| Ag8n | " With your vbat pin, did you connect it directly to the +3.3v or go thru a pull up resister? What value resister did you use? Very interesting pr..." | Read more » | almost 6 years ago | |||
| Ag8n | " Very interesting. I don't know if a chemist or biochemist who doesn't get tired of pipeting. And the robotic ones are expensive. Looking forwar..." | Read more » | almost 6 years ago | |||
| Ag8n | " Just realize, these methods are far from being implemented. The mercury one is " proof of concept", which means it still needs troubleshot, valid..." | Read more » | about 6 years ago | |||
| Ag8n | " The best way would probably be reverse osmosis. There is a filter that goes along with this set up, but it rarely needs changed. You could go wi..." | Read more » | about 6 years ago | |||
| Ag8n | " I've never seen FTIR used for mercury detrmination. Usually, that is a variation of AA. The instrument set up you show is for transmission. Pro..." | Read more » | about 6 years ago | |||
| Ag8n | " I like the idea. But why are you selecting ftir? " | Read more » | about 6 years ago | |||
| Ag8n | " Yes, ion exchange is a good idea. Usually, it's cation exchange, anion exchange, and actived charcoal, followed by the particle filter. A conduc..." | Read more » | about 6 years ago | |||
| Ag8n | " One item tried in industry was to take good quality water and run them through filters small enough to stop microbes ( the last I heard, about 0.2..." | Read more » | about 6 years ago | |||
| Ag8n | " Don't know about the software, but the commercial instruments are much more involved than a spectrometer. They have a specific angle the light is..." | Read more » | about 6 years ago | |||
| Ag8n | " Suggestions- Identify polymers used in products produced. Hopefully, this will be supplied by Aluf. Identify possible hazardous ingredients of pr..." | Read more » | about 6 years ago | |||
| Ag8n | " The "repro" mentioned in the report is short for reprocessing. This plastic ha s seen a lot of heat and is much more likely to break down. Hence ..." | Read more » | about 6 years ago | |||
| Ag8n | "One other item got some attention. The company put some antimicrobials in some of their products. These can often be irritating to humans, especi..." | Read more » | about 6 years ago | |||
| Ag8n | " The sheets of polymer can be made out of many materials, some of which are PVC, LDPE, and HDPE. On top of this, there are a variety of materials ..." | Read more » | about 6 years ago | |||
| Ag8n | " This will take a while- so bear with m e. Many black plastic bags are made of polyvinyl chloride ( PVC). When this degrades, it generates hydroc..." | Read more » | about 6 years ago | |||
| Ag8n | " Some of the the inexpensive conductivity meters used an a.c. Frequency generator feeding a wheatstone bridge. One leg of the wheatstone was the w..." | Read more » | about 6 years ago | |||
| Ag8n | "Please look at the data sheet for the purple air sensors. Specifically, the r2 data for the pm1.0, pm2.5, and pm 10. At least in the medical fiel..." | Read more » | about 6 years ago | |||
| Ag8n | "A word of warning. A number of tests have been developed along this line. This includes the lowry, bradford, LEAP (latex Elisa for allergenic prot..." | Read more » | about 6 years ago | |||
| Ag8n | "Another good way to quantitate sugars is with a refractometer. They are pretty cheap and often used in wineries. " | Read more » | about 6 years ago | |||
| Ag8n | "The purple air monitors have a low r2 value for the pm10 testing. This may lead to the skewing that you are talking about. I corresponded with th..." | Read more » | about 6 years ago | |||
| Ag8n | "In wwii, they had a kytoon ( a mixture kite and balloon for lifting emergency antennas)for downed airman. They show up now and then in the sur plu..." | Read more » | about 6 years ago | |||
| Ag8n | "Sir, This may be a dumb question, and if so, I apologize. Most raw data has anomalous data included. How would a newcomer detect the anomalous da..." | Read more » | about 6 years ago | |||
| Ag8n | "There are a number of parts to six sigma. The different parts go from statistical analysis to design of experiment (DOE). While there are some bus..." | Read more » | about 6 years ago | |||
| Ag8n | "One industry program for statistics ( or sadistics, as a nicname) is six sigma. This is a relatively expensive program that includes ( not kidding..." | Read more » | about 6 years ago |