Comments

Author Comment Last activity Moderation
Ag8n "I can't tell you anything about spectral workbench. Sorry. But, if you are working in industry and using FTIR, one common unit is reciprocal centi..." | Read more » about 3 years ago
Ag8n "The local electric companies are usually good places to start for more information. It can start with turning off lights when not in use. Then go..." | Read more » about 3 years ago
Ag8n "One way is the so called "hydrogen" economy. You would use solar power to produce hydrogen by electrifying water. The hydrogen would then be store..." | Read more » about 3 years ago
Ag8n "Well, another question for you. Was the land / water under control of the Tennessee Valley Authority (i.e WWII nuclear authority in Tennessee)? T..." | Read more » about 3 years ago
Ag8n "I don't know what level (school or community) this is taught at. Can this be tied into something like a science fair? Many of these already exist...." | Read more » about 3 years ago
Ag8n "Or of holmium chloride solution, for that matter. Probably the solution would work better, but there would be done handling issues. " | Read more » about 3 years ago
Ag8n "Thanks for the alternate source of didymium glass. Do you know of any less expensive sources of holmium oxide glass? Thank you. " | Read more » about 3 years ago
Ag8n "Members of the community should be attentive for years. Not only to the fire location, but to many other locations, as well. If there is any data ..." | Read more » about 3 years ago
Ag8n "Most of these pellets are usually circular, at least around here. Those pellets are hexagonal. It might make it easier to search for the company ..." | Read more » about 3 years ago
Ag8n "I checked the pictures of the 3 lasers in one of the marketing shots. The red, green, and the violet laser all showed a laser warning tag with 405..." | Read more » about 3 years ago
Ag8n "Another option is a pack of three lasers marketed as kitty chase toys. They run about $20. Again, quality is an issue. The colors are listed as ..." | Read more » about 3 years ago
Ag8n "What kind of plastics does Formosa Plastics plan on making at this plant? Hopefully, that would have been in a press release. " | Read more » about 3 years ago
Ag8n "You want a sharp, distinct, and stable line for calibration. Which is why the lasers are sought after. They are also hard to find. Please check ..." | Read more » about 3 years ago
Ag8n "Amazon has tricolor, four lead, LEDs. So all of the different color LEDs are in the same package. I'm this case, they give off red, green and blue..." | Read more » about 3 years ago
Ag8n "Some of the early lamps for hplc detectors used mercury lamps, which could cover both visible and uv wavelengths- granted only specific ones. But ..." | Read more » about 3 years ago
Ag8n "One common test for water is total organic carbon(TOC). Usually, it's a relatively small instrument that takes water and measures the amount of c..." | Read more » about 3 years ago
Ag8n "EDDS is closely related to EDTA. The part to be careful of- there are three stereoisomers. Only one(the S,S) is thought to break down well. This ..." | Read more » about 3 years ago
Ag8n "Some of the commercial water kits claim they work on soil. But... The lab I worked at tested clay and other fillers. It can be a pain. Working wi..." | Read more » about 3 years ago
Ag8n "Satellites- a quick search found a couple of articles. A more extensive search would surely find more. " | Read more » about 3 years ago
Ag8n "Another weird approach. Their are already a number of inexpensive water tests available on amazon. These tests are labeled as heavy metal, althou..." | Read more » about 3 years ago
Ag8n "A wet chemical test like "heavy metals". This initially was done with hydrogen sulfide, so all the different kinds of metal salts were metal sulfi..." | Read more » about 3 years ago
Ag8n "Maybe these are different, but every draeger I've used(many hundreds)has always required breaking the top for airflow through the tube. " | Read more » about 3 years ago
Ag8n "One of the things about the draeger tubes I've used, you have to force air through them to get them to work. These pictures all show one end seale..." | Read more » about 3 years ago
Ag8n "My novice call was WN8PSX. Then WD8DBI for advanced. Then the extra ( back when 20 wpm cw was a requirement). " | Read more » about 3 years ago