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.
Moisture Content & Resistivity  Moisture content is a more important factor in soil corrosivity than any other variable. As water is one of the three components necessary for electrochemical corrosion (the other two being oxygen and metal), corrosion will not occur if the soil is completely dry.