🎈 Public Lab: Ag8n

Comments

	Comment	Last activity	Moderation
"Where does incineration rate on the list? " \| Read more »	about 2 hours ago
"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 »	5 days ago
"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 »	6 days ago
"The common test for outliers in industry is the t-test. Is that the test codap is using? " \| Read more »	6 days ago
" Density is difficult to use. Many manufacturers use fillers like titanium dioxide as a filler. This will dramatically alter the density, dependin..." \| Read more »	24 days ago
" Dumb question, but what bandwidth do you need for the video signal? " \| Read more »	25 days ago
" 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 »	25 days ago
" Check the "baby legs" projects on microparticles. It will give some background. My own experience was in medical plastics industry. We routinely ..." \| Read more »	25 days ago
" 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 »	26 days ago
" Ref web.physics.ucsb.edu/~lecturedemonstrations/composer/pages/36.39-helium-filled balloon " \| Read more »	about 1 month ago
" 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 »	about 1 month ago
" 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 »	about 2 months ago
" Green is about 550 nm. Can you tell me the application the local people would like to use it for? Regards " \| Read more »	about 2 months ago
" Consumer reports did an evaluation of radon test kits a few years ago. Might be a good place to start. " \| Read more »	about 2 months ago
" 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 »	about 2 months ago
" The United States pharm. had a lot of tests for lead and other elements( like arsenic and barium). You can't argue with its scientific validity- ..." \| Read more »	3 months ago
" My mistake, it chemiluminesces in the red, not the blue. Sorry about that. " \| Read more »	3 months ago
" I've used ion chromatography(IC) to analyze for a number of ions, including nitrate and nitrite. The new instruments dedicated to IC are much bet..." \| Read more »	3 months ago
" Don't know exactly how you want the spreadsheet fille d in on edxrf. I have used it extensively, in an r&d environment. I've only used a han..." \| Read more »	3 months ago
"Warren got most of the problems with kjeldahl. Here are a few more. Kjeldahl testing takes some specialty glassware. It's not terribly hard to l..." \| Read more »	3 months ago
" The only other thing to point out- all these calculations assume the particles are spheres. We had particle surface area measuring equipment. T..." \| Read more »	3 months ago
" On pcbs (it's the chlorine part I 'm worried about, here), whenever you put a chlorine containing material in a flame, the flame should turn green..." \| Read more »	4 months ago
" From a quick look, it seems that PAHs and PNAs (polynuclear aromatic hydrocarbons) are the same thing. We did PNA analysis on carbon black that w..." \| Read more »	4 months ago
" You can buy the instruments with a microprocessor attached. All you have to do is take a syringe, put the liquid in the glass tube, and it will r..." \| Read more »	4 months ago

Comment

Last activity

Moderation

"Where does incineration rate on the list? " | Read more »

about 2 hours ago

"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 »

5 days ago

"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 »

6 days ago

"The common test for outliers in industry is the t-test. Is that the test codap is using? " | Read more »

6 days ago

" Density is difficult to use. Many manufacturers use fillers like titanium dioxide as a filler. This will dramatically alter the density, dependin..." | Read more »

24 days ago

" Dumb question, but what bandwidth do you need for the video signal? " | Read more »

25 days ago

" 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 »

25 days ago

" Check the "baby legs" projects on microparticles. It will give some background. My own experience was in medical plastics industry. We routinely ..." | Read more »

25 days ago

" 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 »

26 days ago

" Ref web.physics.ucsb.edu/~lecturedemonstrations/composer/pages/36.39-helium-filled balloon " | Read more »

about 1 month ago

" 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 »

about 1 month ago

" 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 »

about 2 months ago

" Green is about 550 nm. Can you tell me the application the local people would like to use it for? Regards " | Read more »

about 2 months ago

" Consumer reports did an evaluation of radon test kits a few years ago. Might be a good place to start. " | Read more »

about 2 months ago

" 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 »

about 2 months ago

" The United States pharm. had a lot of tests for lead and other elements( like arsenic and barium). You can't argue with its scientific validity- ..." | Read more »

3 months ago

" My mistake, it chemiluminesces in the red, not the blue. Sorry about that. " | Read more »

3 months ago

" I've used ion chromatography(IC) to analyze for a number of ions, including nitrate and nitrite. The new instruments dedicated to IC are much bet..." | Read more »

3 months ago

" Don't know exactly how you want the spreadsheet fille d in on edxrf. I have used it extensively, in an r&d environment. I've only used a han..." | Read more »

3 months ago

"Warren got most of the problems with kjeldahl. Here are a few more. Kjeldahl testing takes some specialty glassware. It's not terribly hard to l..." | Read more »

3 months ago

" The only other thing to point out- all these calculations assume the particles are spheres. We had particle surface area measuring equipment. T..." | Read more »

3 months ago

" On pcbs (it's the chlorine part I 'm worried about, here), whenever you put a chlorine containing material in a flame, the flame should turn green..." | Read more »

4 months ago

" From a quick look, it seems that PAHs and PNAs (polynuclear aromatic hydrocarbons) are the same thing. We did PNA analysis on carbon black that w..." | Read more »

4 months ago

" You can buy the instruments with a microprocessor attached. All you have to do is take a syringe, put the liquid in the glass tube, and it will r..." | Read more »

4 months ago

Is there a publicly available resource that has easily searchable chemical and toxicological info...

Ag8n 17 research notes and 17 wiki edits | Joined over 1 year ago

17 questions asked 216 comments posted

Comments

Tags

Wiki pages recently contributed to

17 questions asked

216 comments posted