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Welcome Message

On behalf of the organizing committee, we are pleased to announce  the 25th International Conference on Secondary Ion Mass Spectrometry (SIMS 25) to be held on   25 - 30  October 2026 in Guangzhou, China. It will be the first time this international SIMS conference is held in China. SIMS 25 will provide a forum for colleagues from both academia, industries and research organizations throughout the world to exchange results and new ideas on SIMS and related techniques. The conference will cover advancements of scientific knowledge from fundamentals to applications.


As in past conferences, the conference will also be preceded by one day of tutorials (Sunday, 25 October) and a welcome reception.


Guangzhou, the capital of Guangdong province, has a history of more than 2,200 years and is the birthplace of Lingnan culture and the starting point of the ancient Maritime Silk Road in China. It is also the central city of the Guangdong-Hong Kong-Macao Greater Bay Area and a hub city of the "Belt and Road" initiative, renowned as the "Southern Gateway" of China to the world.


We are looking forward to welcoming you to Guangzhou for SIMS 25!



Registration opening

January 1, 2026

Early Registration Deadline

April 30, 2026

SIMS 25

October 25 - 30, 2026

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