Portrait of Thomas Clarkson Â© Clarkson was a leading campaigner against the slave trade and slavery in Britain and the British empire.Thomas Clarkson was born on 28 March 1760 in Wisbech, Cambridgeshire. He was the son of a clergyman who also taught at the local grammar school.he following year, Clarkson published his book 'History of the Abolition of the African Slave Trade' and, although his health was now failing, continued to campaign for the complete abolition of slavery. In 1833, parliament passed the Slavery Abolition Act, which gave all slaves in the British empire their freedom.
corrosivity in Medicine. corrosive corÂ·roÂ·sive (kÉ-rÅ'sÄ­v, -zÄ­v) adj. Causing or tending to cause the gradual destruction of a substance by chemical action. n. A substance having the capability or tendency to cause slow destruction.
Materials that fall within the criteria for corrosivity under WHMIS regulations will also meet the criteria for skin and eye irritation. Classifying these substances into both Class D2B and E would be unnecessary and may cause confusion to users and workers.Therefore, according to the Controlled Product Regulations, the majority of materials meeting the criteria for Class E need not be classified as Class D2B as well.exreg-The Leader in MSDS authoring and Chemical Product Compliance.