- Price: $43/kg; aluminum Al $3/kg; copper Cu $10; Nickel Ni $24; Silver Ag $770/kg
- Density: 7.3g/cm3; more than Al 2.7; same as iron Fe 7.8; less than lead Pb 11.3
- Melts in a pizza oven: 230°C, 445°F
- Kernow: Stannary Charters of 1201 and 1305 granted tinners the right to prospect and mine throughout Cornwall but all the tin had to be sent to Stannary Towns for assay: Lostwithiel, Bodmin, Liskeard, Truro and Helston. Geevor [13m] the last commercial tin mine closed in 1990
- Bronze is 10-12% tin. So Cornish tin was in demand through the Bronze Age
- Bronze medal winners are happier
- Pewter: is 90% tin with antimony Sb 5%; copper Cu 2% [and formerly Pb]. Plates pots flagons and tankards from the Mary Rose
- Irish travellers no longer ply a trade as tinkers because plastic utensils are brighter cheaper
- The Creak. Crank up the volume to hear the cry of tin with Andrea Sella [5m]
- Tin pest [11m] with Cody: white β tin will corrupt to a brittle ceramic allotrope called grey α tin if slowly cooled
- Poliakoff and Barnes show and tell [15m]
- ITO: Indium (which also creaks) tin oxide is a transparent conductor for touch screens
- TBT: Tributyl-tin was an anti-fouling paint for ship's hulls. Horribly toxic to marine wildlife: sea snails changing sex, deforming the shells of oysters. Banned since 2008 by the IMO.
- Rin Tin Tin [1m] is not made of tin; Tintin is not made of tin, nor is Milou the dog; tinfoil has been made of aluminum [lighter cheaper] since WWII.
- Plate glass [7m] : is made on tin by Pilkington. Needs an atmosphere of nitrogen and hydrogen to prevent the ultra-smooth molten tin from oxidizing.
- Solder: I know nothing about solder except it uses more of the world's remaining tin than any other product
diamondscassiterite SnO2 in Congo
Saturday, 19 February 2022
Today Tin Day
Posted on MetaFilter [here be comments] but you prolly don't read MetaFilter as much as me . . . 19th Feb is the 50th day of the year. If you forget to celebrate DarwinDay, you have a week to gird your loins for TinDay 50Sn being the 50th element; but don't let it go to your head. Tin is one of the metals important for future technologies [MIFT] and the spot price has tripled during Coronarama; so we need to know something about it. Tin Day seven years ago.
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