| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| HappyFish | "It is also possible to measure dissolved CO2. But mostly, all these parameters can now be monitored with digital sensors reporting into a unified ..." | Read more » | 13 days ago | |||
| jhondue123456 | "https://www.google.com/ " | Read more » | 21 days ago | |||
| casadaborracha_garra | "https://docs.google.com/presentation/d/18ovCR07aUYKgYiAthe2g827jGl6ApY9onlko8SfU8Gs/edit?usp=sharing " | Read more » | about 1 month ago | |||
| podologo_peecorpo | "https://docs.google.com/forms/d/e/1FAIpQLSfVhmXKUYsgKYnvYVupUCWvD0BP_BBqONB-J_mnLEYiST9q0g/viewform " | Read more » | about 1 month ago | |||
| veppel2023 | "I don't know much about the importance of monitoring water quality, but if it's about screw house " | Read more » | 4 months ago | |||
| iransacco | "iransacco did this! " | Read more » | 7 months ago | |||
| getprostadine | "Additional ways include dissolved oxygen, pH, temperature, salinity and nutrients (nitrogen and phosphorus) Prostadine " | Read more » | about 1 year ago | |||
| getprostadine | "Prostadine Is A Natural Dietary Supplement That Uses An Advanced Prostate Complex Formula To Boost Prostate Gland Health. Visit Prostadine Prostate..." | Read more » | about 1 year ago | |||
| getprostadine | "Here are additional ways: dissolved oxygen, pH, temperature, salinity and nutrients (nitrogen and phosphorus) Visit Prostadine Prostate Support " | Read more » | about 1 year 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 » | about 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 » | about 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 » | about 2 years ago | |||
| Ag8n | "Clarification. Acidic media is pH 3. " | Read more » | about 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 » | about 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 » | about 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 » | about 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 » | about 2 years ago | |||
| stevejohnson | "thanks for the information " | Read more » | about 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 » | about 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 | |||
| alejobonifacio | "Glad to hear that @bhamster! Comming soon the english version of the activity ;) Yes, there are some research papers that used this natural pigment..." | Read more » | over 2 years ago | |||
| bhamster | "This is so cool, @alejobonifacio, I had no idea about this cabbage capability! Do you know of any examples where this pH detection method has been ..." | Read more » | over 2 years ago |