From 1876 the works had begun to produce bleaching powder, and in the 1880s they were making ferric oxide.
12.
He is known for his technique of macintosh waterproofing and he also assisted in the invention of bleaching powder.
13.
Later a second plant was built at Hebburn, raising production of bleaching powder alone to twenty thousand tons by 1865.
14.
Common examples include sodium hypochlorite ( household bleach ) and calcium hypochlorite ( bleaching powder, swimming pool " chlorine " ).
15.
He continued his research and developed a bleaching powder for which he was granted patent # 2312 on 30 April 1799.
16.
In the 18th century several scientists developed varieties of chlorine bleach, including sodium hypochlorite and calcium hypochlorite ( bleaching powder ).
17.
He was involved with the organisation of the chemical industry, including working with the Alkali Makers Association, and the Bleaching Powder Association.
18.
As each stall's employees cleaned out its stock, the workers used high-powered water hoses and bleaching powder to spray-clean cages, walls and floors.
19.
And last year, it came under fire for using U . S . potatoes that the government said contained too much bleaching powder.
20.
This sulfonic acid on oxidation with bleaching powder or with lead peroxide, in alkaline solution yields "'chloramine yellow "', which dyes cotton a beautiful yellow.
