10 ENGLISH BOOKS RELATING TO «SODIUM HYPOSULPHITE»
Discover the use of
sodium hyposulphite in the following bibliographical selection. Books relating to
sodium hyposulphite and brief extracts from same to provide context of its use in English literature.
1
The Photographic Times: An Illustrated Monthly Magazine ...
Nascent hyposulphurous acid in the presence of an excess of hypo, forms an
acid sodium hyposulphite which decomposes, yielding sodium sulphate,
sulphuretted hydrogen, sulphurous acid and sulphur, reactions that can be
exposed thus ...
2
The Photographic Journal
I. Not to fix more than 100 plates 9 x 12 cm. in I litre of a 15 per cent. solution of
sodium hyposulphite. 2. Not to fix more than 50 plates in I litre of fixing bath
containing 15 per cent. of sodium hyposulphite and 1'5 per cent. of sodium
bisulphite. 3.
3
Chemistry: Inorganic and Organic: With Experiments
256 HYPOSULPHITE OF SODA. with sodium carbonate, when calcium
carbonate is precipitated and sodium hyposulphite remains in solution ; CaS,O, +
Na.CO. = CaCO, The most remarkable and useful property of the sodium
hyposulphite is ...
Charles Loudon Bloxam, 1888
4
A Manual of chemical analysis as applied to the examination ...
When iodine, either alone or dissolved iu alcohol, is added to solution of sodium
hyposulphite, it is immediately decolorized, sodium iodide and tetrathionate
being formed: 2NasSsO,.5II20 4- I, = 2XaI + NaaS406 + 1011,0. 496 253.2 (248)
...
It was claimed that the extra solution, a solution of a double salt of cuprous
hyposulphite and sodium hyposulphite, manufactured by adding a solution of
copper sulphate to a solution of sodium hyposulphite, exerted a highly energetic
...
6
E/MJ, Engineering and Mining Journal
Gold sulphide is decomposed by a solution of sodium hyposulphite. For
energetic action, heating to 50 or 60 degrees C. is necessary. In treating 2 gm. Au
,S, for twenty-four hours cold, 0-066 gm. gold was dissolved, while at a
temperature of ...
7
The lixiviation of silver-ores with hyposulpite solutions: ...
The most remarkable feature of these statistics is the low consumption of sodium
hyposulphite, — 1.4 pounds per ton of ore — considering that 9.6 pounds copper
sulphate are used per ton of ore for the preparation of extra-solution.
Carl August Stetefeldt, 1888
8
Engineering and Mining Journal
Gold sulphide is decomposed by a solution of sodium hyposulphite. For
energetic action, heating to 50 or 60 degrees C. is necessary. In treating 2 gm. Au
,S, for twenty-four hours cold, 0-086 gm. gold was dissolved, while at a
temperature of ...
(9) Decinormal Sodium Hyposulphite Volumetric Solution. NarS,03 + 5HsO =
247.64. 24.764 Gm. in 1 Liter. This solution is standardized by means of
decinormal iodine V. S. " Dissolve 30 Gm. of selected crystals of sodium
hyposulphite ...
As the factor for the sodium hyposulphite solution does not remain constant, a
factor for potassium bi-chromate solution in terms of iodine was devised, and the
factor for the sodium hyposulphite solution was readily determined dally by the ...
2 NEWS ITEMS WHICH INCLUDE THE TERM «SODIUM HYPOSULPHITE»
Find out what the national and international press are talking about and how the term
sodium hyposulphite is used in the context of the following news items.
The first world war scientists who gave their lives to defeat poison gas
He devised a mixture of sodium hyposulphite, sodium carbonate and glycerine with which to soak it and tested it against chlorine, bromine, sulphur dioxide and ... «The Guardian, Apr 15»
WW1: Soldiers had little protection against deadly poison gas attacks
The British Hypo helmet was one of the earliest masks, which was dipped in anti-gas chemicals like sodium hyposulphite, washing soda, glycerine and water. «Stoke Sentinel, Jul 14»
