| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Ag8n | "These instruments are all based on GC detectors. So your best approach is to look at other GC detectors to see which one fits your needs. One goo..." | Read more » | about 4 years ago | |||
| Ag8n | "This is a suggestion, only. I worked in the polymer industry for many years. This included rubber chemicals. One of the chemicals commonly used ..." | Read more » | about 4 years ago | |||
| Ag8n | "You have a much better idea in this field than I do. My apologies for any offense I may have caused. Good luck. " | Read more » | about 4 years ago | |||
| Ag8n | "The U.S. Maintains a snotel (snow telemetry) network. These are stations that monitor the snow depth and then forward that data, daily, by means ..." | Read more » | about 4 years ago | |||
| Ag8n | "Check with the individual sampling tubes for airflow requirements. Most manufacturers also sell hand pumps, that can be used to sample the air rel..." | Read more » | over 4 years ago | |||
| Ag8n | "In industry, we commonly used draeger tubes to measure for a number of contaminants. There are other companies that make less expensive versions o..." | Read more » | over 4 years ago | |||
| Ag8n | "In the past, this company was using PVC ( polyvinylchloride). If this is still being used, the most major issue from PVC degradation is HCl (hydr..." | Read more » | over 4 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 » | over 4 years ago | |||
| Ag8n | "There are a number of emission spectra used with the spectrometer. As an example, the instrument is calibrated with the emission spectrum from a ..." | Read more » | almost 5 years ago | |||
| Ag8n | "Where does incineration rate on the list? " | Read more » | almost 5 years ago | |||
| Ag8n | "What we were taught in industrial statistic s is that often times bimodal curves work themselves out into normal curves. How? Well, even if you h..." | Read more » | almost 5 years ago | |||
| Ag8n | "You could easily have a bimodal distribution in your population. But, if you gather more data, who knows? It may turn out to be normal. Ok, how ..." | Read more » | almost 5 years ago | |||
| Ag8n | "The common test for outliers in industry is the t-test. Is that the test codap is using? " | Read more » | almost 5 years ago | |||
| Ag8n | " Density is difficult to use. Many manufacturers use fillers like titanium dioxide as a filler. This will dramatically alter the density, dependin..." | Read more » | almost 5 years ago | |||
| Ag8n | " Dumb question, but what bandwidth do you need for the video signal? " | Read more » | almost 5 years ago | |||
| Ag8n | " With PVC, as the plastic degrades, you get more and more conjugated double bonds. Hate to get chemical, but the where the plastic absorbs starts ..." | Read more » | almost 5 years ago | |||
| Ag8n | " Check the "baby legs" projects on microparticles. It will give some background. My own experience was in medical plastics industry. We routinely ..." | Read more » | almost 5 years ago | |||
| Ag8n | " The green line on a compact florescent lamp is the one at 546 nm. There are a couple of calibration videos on the link @Warren gave that might h..." | Read more » | almost 5 years ago | |||
| Ag8n | " Ref web.physics.ucsb.edu/~lecturedemonstrations/composer/pages/36.39-helium-filled balloon " | Read more » | almost 5 years ago | |||
| Ag8n | " It depends on the weight of what you are trying to lift. At sea level, based on the ideal gas law, the amount you can lift is 1.02 g of pay load..." | Read more » | almost 5 years ago | |||
| Ag8n | " The last I knew, it took calibration to set up the wavelength. One way of doing that was with a compact florescent lamp. But there may have been..." | Read more » | almost 5 years ago | |||
| Ag8n | " Green is about 550 nm. Can you tell me the application the local people would like to use it for? Regards " | Read more » | almost 5 years ago | |||
| Ag8n | " Consumer reports did an evaluation of radon test kits a few years ago. Might be a good place to start. " | Read more » | almost 5 years ago | |||
| Ag8n | " You usually measure visible spectrum in nanometers (nm). Resolution is measured the same way, but tested much differently. Can you give more inf..." | Read more » | almost 5 years ago |