Back working in school science technician-ing. RSciTech. Background in coatings R&D. Loves Chemistry and makes pictures out of chemical droplets or from videos of chemical reactions (RGB plots). Custodian of the #GardenIndicators spreadsheet!https://bsky.app/profile/crocodilechemi1.bsky.socialhttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3lxnc35limk2kBlackberries! Loads of them! Going back tomorrow for more. Will make a crumble and jam. Have a plan for some colorimetry too😀#GardenIndicators30 Aug 2025 19:18 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3lxnc35limk2khttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3lkj5mfw37s2pI’ve been testing out ‘things that glow’ for our chemistry club. A Horse chestnut branch in water just blew my mind! Thanks @andrestrujado.bsky.social for the suggestion ages ago. The others are pumpkin, sesame and fennel seeds in vodka!16 Mar 2025 17:20 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3lkj5mfw37s2phttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3lkfxrt2qzk2pHere’s the pH profile of a small purple viola petal used as a cake decoration. I resisted the temptation to eat it, instead it gave itself to science! #GardenIndicators15 Mar 2025 10:58 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3lkfxrt2qzk2phttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3ljfmbrv3pc2pI had to buy some flowers for a practical at work, naturally I chose the ones I thought would give an interesting pH profile. Nice colour with Al ³⁺ ions too! #sciencetechnician02 Mar 2025 14:07 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3ljfmbrv3pc2phttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3ljf26dkaac2nIron thiocyanate formation in a droplet. #MicroscaleChemistry is so cool! [contains quote post or other embedded content]02 Mar 2025 08:43 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3ljf26dkaac2nhttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3li7c36im2k2iRoses are red, violets are blue….pink, turquoise, green and yellow! RGB pH evaluation of a violet15 Feb 2025 08:23 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3li7c36im2k2ihttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3lhghzkohr22vAn RGB reaction plot showing ligand exchange for aqueous Cu²⁺ with sequential additions of ammonia, sodium salicylate, EDTA and catechol 💙05 Feb 2025 11:33 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3lhghzkohr22vhttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3le4hfshpy22vA Christmas tradition and the 3rd #GardenIndicators Christmas edition - Red Cabbage! Such a wonderful range of colours at different pH. Merry Christmas everyone 🎄 [contains quote post or other embedded content]25 Dec 2024 07:40 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3le4hfshpy22vhttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3le2vkesygk25The second #GardenIndicators Christmas edition shows the pH profile of poinsettia bracts. Just look at the cheeky pink and purple in the RGB plot! [contains quote post or other embedded content]24 Dec 2024 16:48 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3le2vkesygk25https://bsky.app/profile/crocodilechemi1.bsky.social/post/3ldvdvt5j7c2b#GardenIndicators Christmas edition! I bought the cranberries purely for the science and now I’ve got to make cranberry sauce from scratch! Here’s their pH profile and the RGB plot of the acidified extract neutralised with 0.1M NaOH, then adding 2M NaOH22 Dec 2024 11:49 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3ldvdvt5j7c2bhttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3ldm6pe3cks2iThe Science Techs decorated the science department and we won the school Xmas decorations competition. Great team effort. Nice to show off what we do! Snowflakes, chemistrees, stick insects, and physics interactive light generators!18 Dec 2024 20:22 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3ldm6pe3cks2ihttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3lca7xhcgbs2cFlower extracts store really nicely in the freezer, this one is from May. It shows the pH profile of a deep purple Aquilegia from pH1 to 13 #GardenIndicators01 Dec 2024 08:47 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3lca7xhcgbs2chttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3lbxcqouyts26Here’s a 3,5-dinitrophenol snowflake designed by our Head of Chemistry! ❄️ [contains quote post or other embedded content]27 Nov 2024 19:43 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3lbxcqouyts26https://bsky.app/profile/crocodilechemi1.bsky.social/post/3lbuux4d2as2mBeautiful #GardenIndicators evaluation of an oxalis! Look at those colours! Wow! [contains quote post or other embedded content]26 Nov 2024 20:30 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3lbuux4d2as2mhttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3lbonbg5xuk2qHere’s the pH evaluation of a red sweet pea from my garden. A cheeky blue around pH 8-10 is always a bonus! #GardenIndicators24 Nov 2024 08:57 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3lbonbg5xuk2qhttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3lbjdocb2bk2wCan’t wait to see if there are some crystals [contains quote post or other embedded content]22 Nov 2024 06:22 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3lbjdocb2bk2whttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3lbi7p5fkw22zDoing a bit of prep today for our Christmas decorations with some laboratory snowflakes based on Volumetric flasks, Bunsen burners, Pear-shaped flasks and Separating funnels!21 Nov 2024 19:38 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3lbi7p5fkw22zhttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3lb5x7ab7pk22Post a picture you took (no description) to bring some zen to the timeline [contains quote post or other embedded content]17 Nov 2024 17:40 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3lb5x7ab7pk22https://bsky.app/profile/crocodilechemi1.bsky.social/post/3lb4y2ymvmk2lThe #GardenIndicators project started during the first lockdown as an accessible project from home. Anthocyanins are generally pretty easy to extract… but there are a few tricky ones! [contains quote post or other embedded content]17 Nov 2024 08:22 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3lb4y2ymvmk2lhttps://bsky.app/profile/crocodilechemi1.bsky.social/post/3lb2rydhv4c22Here’s the pH evaluation of a pink & white geranium from pH 1 to 13. The bottom image shows an RGB reaction plot, using actual RGB values to produce an image of the dynamic neutralisation reaction. Lovely purple with Al³⁺ ions too💜#GardenIndicators16 Nov 2024 11:28 +0000at://did:plc:72addaeiwsuxjac4jtnfbqcd/app.bsky.feed.post/3lb2rydhv4c22