Boots – shoes – and leggings
Patent
1988-05-31
1990-07-10
Lall, Parshotam S.
Boots, shoes, and leggings
364502, 364550, 364496, 364498, 376306, 376277, G06F 1520, G05D 2102
Patent
active
049411128
ABSTRACT:
A method and a device are disclosed for measuring the lithium concentration in the primary cooling circuit of a nuclear power station reactor. The lithium concentration Li.sup.+ is determined by linear correlation between the electrical conductivity .lambda. of the cooling water measured by measuring means 1, at a given temperature t measured by measuring means 2. Means 4 to measure the boron concentration B make it possible, by means of the computing means 3 to determine the lithium concentration Li.sup.+ according to the decreasing lithium hydroxide specification. The invention can be applied to the maintaining and regulation of the pH of the cooling water of a nuclear power station reactor at a determined value.
REFERENCES:
patent: 1450023 (1923-03-01), Edelman
patent: 4332031 (1982-05-01), Barratt et al.
patent: 4364900 (1982-12-01), Burrill
patent: 4698198 (1987-10-01), Gruen
Journal of British Nuclear Energy Society, Apr. 26, 1987, No. 2, London, Great Britain Conference Report.
Arzel Anne-Marie
Blin Jean-Pierre
Livigni Didier
Nepveu de Villemarceau Christian
Pereira Jean-Luc
Electricite de France (National Service)
Lall Parshotam S.
Ramirez E. B.
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