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Author Comment Last activity Moderation
jhondue123456 "https://www.google.com/ " | Read more » 3 months ago
casadaborracha_garra "https://docs.google.com/presentation/d/18ovCR07aUYKgYiAthe2g827jGl6ApY9onlko8SfU8Gs/edit?usp=sharing " | Read more » 4 months ago
podologo_peecorpo "https://docs.google.com/forms/d/e/1FAIpQLSfVhmXKUYsgKYnvYVupUCWvD0BP_BBqONB-J_mnLEYiST9q0g/viewform " | Read more » 4 months ago
cirurgiaovascular_barbosa "I don't know much about electronic connection, but if it were something about varicose veins I could help, as I do with my patients at the clinic " | Read more » 7 months ago
iransacco "iransacco did this! " | Read more » 9 months ago
livingenaanasebh "wow this is wondeful " | Read more » over 1 year ago
bhamster "@bhamster awards a barnstar to imvec for their awesome contribution! " | Read more » about 2 years ago
alejobonifacio "I did this! Hi! Long time has passed since this original post. I was doing some in field measurements with this Cave Pearl Project based data logge..." | Read more » about 2 years ago
michelleiL "Hi @kgradow1, thank you for sharing all this info on how to read EIS. I'm wondering if you have info on what are the stages of an EIS? For example..." | Read more » about 2 years ago
royshaw "Thank you for sharing this. It is great to know how the environmental test results to health standards worked. A clean environment reflects on the ..." | Read more » over 2 years ago
Ag8n "The data shows that natural titration indicators with long shelf life (90 days) do exist ( see the Hippeastrum note above). However, Red cabbage d..." | Read more » over 2 years ago
Ag8n "The research shows that natural titration indicators, with good shelf life, do exist ( see Hippeastrum, above). However, Red cabbage does not appe..." | Read more » over 2 years ago
Ag8n "The acid (from the pH 3 solution ) for the cabbage indicator could mess up some titrations. A blank might need run(and, depending on the titration..." | Read more » over 2 years ago
Ag8n "Clarification. Acidic media is pH 3. " | Read more » over 2 years ago
Ag8n "Check this reference: "Evaluation of red cabbage dye as a potential natural color for pharmaceutical use" by Neela Chigurupati, et. al. Industrial..." | Read more » over 2 years ago
Ag8n "Some natural indicators can have shelf lives of up to 90 days in solution. See "Hippeastrum hybridum anthrocyanin indicators of acid - base titrat..." | Read more » over 2 years ago
Ag8n "Interesting paper on this same subject. " Application of Butterfly Pea extract as an indicator of acid - base titrations " by Nyi Mekar Saptarini ..." | Read more » over 2 years ago
hunternick363 "This is a nice and simple method of measuring the PH of a solution. I remember these kinds of experiments we used to do in science class. We have t..." | Read more » over 2 years ago
stevejohnson "thanks for the information " | Read more » over 2 years ago
Ag8n "For a couple other reads, look up "The Effect of pH on Color Behaviour of Brassica oleracea Anthocyanin" in Journal of Applied Sciencies, volume 11..." | Read more » over 2 years ago
bhamster "I did this! We tested vinegar, baking soda, lemon juice, pickle juice, and carbonated water. A lot of acids easily available in the kitchen. Then w..." | Read more » over 2 years ago
alejobonifacio "Hi @Ag8n! Thanks for your reply! I had this cabbage solution in fridge almost a week and I didn't see an appreciable color change. I don't know if ..." | Read more » over 2 years ago
Ag8n "First, I'd like to thank Alejo for posting this page. It is very helpful. Then, I' d like to refer you to the comments page in compound chem ( da..." | Read more » over 2 years ago
Ag8n "Thank you! Regards " | Read more » almost 3 years ago