BEST ANSWER:The bottom of Erlenmeyer flasks never seem to be completely flat as you would like. Using a stir bar inside one generally requires a stir plate with a fairly powerful magnet. Especially with large flasks such as a 5000 mL, I can't run the stir feature at anywhere near full ...
Flask manufacturers had girded themselves but were nowhere near ready for the ravenous mob clamoring for their wares once the saloons were shut. Shortages gave rise to wild improvisation: hot water bottles were rushed into service, as were baby bottles. They had the advantage of being disguised,...
Well, this was fine for years, until we somehow acquired an infestation ofscale bugs. These tiny but extremely annoying pests feed by sucking sap from leaves of plants, and they excrete a sticky substance calledhoneydew. Trust me, it’s not as nice as it sounds. Firstly, it really is s...
Near the Ytterby (ytterbium) mine is this sign, discussing Gadolin’s work and the elements found there. It talks about a “tung, svart sprängsten” (in this case the black, heavy gadolinite), but it just reminded me of the origin of the name tungsten! @drdelusional A compound of ...
Hi Elizabeth, Thank you for your recognition of me and our company, and thank you for liking our products. I hope we can have a greater cooperation in the near future. Thank you. I wish you all the best. --Jenny Chen Helpful (0) R R***n Mar 12, 2024 This was our second order...
buying new furniture or going near non-stick FRYING PANS” (sic). Fortunately lots of other, more sensible, people immediately started writing about the issue and now a search for this particular news item brings up lots of articles putting the other side, for example: “New advice to pregna...