![The platinum and iridium alloy cylinder (pictured on November 16, Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201811160652401 | agefotostock The platinum and iridium alloy cylinder (pictured on November 16, Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201811160652401 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/7b01a6a60e2a0b5734db1d2db506779c/ckp-p201811160652401.jpg)
The platinum and iridium alloy cylinder (pictured on November 16, Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201811160652401 | agefotostock
![Source Dia 0.025mm to 2mm Pt90Ir10 Pt80Pt20 PtIr30 platinum iridium wire/rod for glow plug/electrodes/medical on m.alibaba.com Source Dia 0.025mm to 2mm Pt90Ir10 Pt80Pt20 PtIr30 platinum iridium wire/rod for glow plug/electrodes/medical on m.alibaba.com](https://sc04.alicdn.com/kf/Hf347de7e96ff4ce680ff9d09de2d5616k/2842554/Hf347de7e96ff4ce680ff9d09de2d5616k.jpg)
Source Dia 0.025mm to 2mm Pt90Ir10 Pt80Pt20 PtIr30 platinum iridium wire/rod for glow plug/electrodes/medical on m.alibaba.com
![The platinum and iridium alloy cylinder (pictured on November 16, Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201811160652801 | agefotostock The platinum and iridium alloy cylinder (pictured on November 16, Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201811160652801 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/01b2d0fe31b9b0ba435c0d5a9cb516e3/ckp-p201811160652801.jpg)
The platinum and iridium alloy cylinder (pictured on November 16, Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201811160652801 | agefotostock
![Brno, Czech Republic. 16th Nov, 2018. The platinum and iridium alloy cylinder (pictured on November 16, 2018 at the Czech Metrology Institute in Brno, Czech Republic) will no longer be a kilogram Brno, Czech Republic. 16th Nov, 2018. The platinum and iridium alloy cylinder (pictured on November 16, 2018 at the Czech Metrology Institute in Brno, Czech Republic) will no longer be a kilogram](https://c8.alamy.com/comp/R2505N/brno-czech-republic-16th-nov-2018-the-platinum-and-iridium-alloy-cylinder-pictured-on-november-16-2018-at-the-czech-metrology-institute-in-brno-czech-republic-will-no-longer-be-a-kilogram-standard-representatives-of-individual-countries-at-the-international-bureau-of-weights-and-measures-bipm-conference-as-expected-have-decided-to-redefine-the-kilogram-and-other-basic-units-the-base-unit-of-mass-is-newly-derived-from-the-fixed-value-of-the-planck-constant-credit-igor-zehlctk-photoalamy-live-news-R2505N.jpg)
Brno, Czech Republic. 16th Nov, 2018. The platinum and iridium alloy cylinder (pictured on November 16, 2018 at the Czech Metrology Institute in Brno, Czech Republic) will no longer be a kilogram
![Brno, Czech Republic. 16th Nov, 2018. The platinum and iridium alloy cylinder (pictured on November 16, 2018 at the Czech Metrology Institute in Brno, Czech Republic) will no longer be a kilogram Brno, Czech Republic. 16th Nov, 2018. The platinum and iridium alloy cylinder (pictured on November 16, 2018 at the Czech Metrology Institute in Brno, Czech Republic) will no longer be a kilogram](https://c8.alamy.com/comp/R24YPT/brno-czech-republic-16th-nov-2018-the-platinum-and-iridium-alloy-cylinder-pictured-on-november-16-2018-at-the-czech-metrology-institute-in-brno-czech-republic-will-no-longer-be-a-kilogram-standard-representatives-of-individual-countries-at-the-international-bureau-of-weights-and-measures-bipm-conference-as-expected-have-decided-to-redefine-the-kilogram-and-other-basic-units-the-base-unit-of-mass-is-newly-derived-from-the-fixed-value-of-the-planck-constant-credit-igor-zehlctk-photoalamy-live-news-R24YPT.jpg)
Brno, Czech Republic. 16th Nov, 2018. The platinum and iridium alloy cylinder (pictured on November 16, 2018 at the Czech Metrology Institute in Brno, Czech Republic) will no longer be a kilogram
![The platinum and iridium alloy cylinder (pictured on November 16, Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201811160670001 | agefotostock The platinum and iridium alloy cylinder (pictured on November 16, Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201811160670001 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/3aad661caf1e811da7a49fbc1a309f92/ckp-p201811160670001.jpg)
The platinum and iridium alloy cylinder (pictured on November 16, Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201811160670001 | agefotostock
![Er Ashish K Singh on Twitter: "The kilogram is the SI base unit of mass and is equal to the mass of the international prototype of the kilogram , a platinum-iridium standard Er Ashish K Singh on Twitter: "The kilogram is the SI base unit of mass and is equal to the mass of the international prototype of the kilogram , a platinum-iridium standard](https://pbs.twimg.com/media/DaqJWYlX0AE85Eh.jpg)