food-quality
food-quality


Author Comment Last activity Moderation
PivotalMayfair1 "Whether for fitness or fun, a brisk walk on a cold, crisp day can be exhilarating and refreshing. It can also be a direct route to frozen toes, hyp..." | Read more » about 2 years ago
theuntoldrecipe "I m always learn ur post " | Read more » about 2 years ago
liz "Thank you @David_Uwi " | Read more » about 2 years ago
liz "Thank you so much for writing out this question -- as i am not from the commercial world, it's helpful for me to understand where different people ..." | Read more » about 2 years ago
Ag8n "You will need to tweak the method a little more, with volumes amounts of material added, etc. This should be viable for ammonium nitrate based ma..." | Read more » about 2 years ago
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Ag8n "Make sure you look for the liquid sample test ammonia kit, if interested. This is the one with a test tube and two liquids to add. The wrong kind..." | Read more » about 2 years ago
Ag8n "Re:the ammonia problem- Amazon sells api ammonia test kits for fish tanks. The cost is under $7 for 130 tests ( be suspicious of this number, thou..." | Read more » about 2 years ago
Ag8n "The usual way to solve the ammonium nitrate problem is to form a complex (that does absorb in the visible) and analyze the complex. Off the top of..." | Read more » about 2 years ago
david_uwi "Yes you're quite correct in an ideal world we would be using absorbance (Log of transmission) and subtracting a blank. There is also a problem with..." | Read more » about 2 years ago
Ag8n "Ok guys,I'm used to commercial instruments. So these scans always throw me. First, if you are trying to compare concentration in the commercial w..." | Read more » about 2 years ago
georgiatestprep "Interesting to see such solutions and question too. big clap. " | Read more » about 2 years ago
akhila "Thank you so much for your response, it was really helpful! " | Read more » about 2 years ago
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warren "Hi, @akhila - this is a really cool experiment you're doing! OK, i think i may have some suggestions that could help; i think you may have a doub..." | Read more » about 2 years ago
kgradow1 "@kgradow1 awards a barnstar to akhila for their awesome contribution! " | Read more » about 2 years ago
kgradow1 "That's interesting. I wonder why there is such a difference in the gradient for the nitrogen water. Also interesting that the contaminated milk s..." | Read more » about 2 years ago
kelukaliya " excellent work " | Read more » almost 4 years ago
nanocastro " hi Liz the raw data is stored on the project repo https://gitlab.com/nanocastro/WheeStat6-Mza/tree/master/Quercetina " | Read more » almost 4 years ago
liz "Thank you for graphing the output of the commercial potentiostat to the wheestat, very interested in comparisons like these. Is there a place you a..." | Read more » almost 4 years ago
warren " Awesome!!! " | Read more » almost 4 years ago
elaineyuyu "Hi Chris, thank you so much for your answer! It seems we will have to purchase one of those expensive multispectral cameras, since we need to ident..." | Read more » about 5 years ago
cfastie "Spectrometers based on consumer cameras, like the Public Lab spectrometers, can be built so they provide good information about which narrow wavele..." | Read more » about 5 years ago