Hugh Marshall
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Hugh Marshall | |
|---|---|
| Professor of Chemistry, University College, Dundee | |
| In office 1908 – 5 September 1913 | |
| Personal details | |
| Born | 7 January 1868 Edinburgh, Scotland |
| Died | 5 September 1913 (aged 45) London, England |
| Occupation | Chemist |


Hugh Marshall (7 January 1868 – 5 September 1913) was a Scottish chemist who discovered persulphates in 1891.[1] He was the inventor of Marshall's acid.[2] In 1902 he proposed the modified sign of equality which became standard in chemistry to represent dynamic equilibrium.[3]