Towards the end of the operation, a solution of stannous chloride in hydrochloric acid is to be added to the contents of the flask.
It is very soluble, but in dilute solutions it readily forms a basic salt, so stannous chloride is usually used in very concentrated solutions.
It is used for destroying an excess of stannous chloride; for removing sulphuretted hydrogen from solution; and as a test for stannous salts.
Two per cent of stannous chloride added to the mordant gives brilliancy and fastness to the colour.
Stannous Chloride, in a little lime water and add, together with 1/2 oz.
Morphia gives with nitric acid a deep orange unchanged by stannous chloride.
Stannous chloride (protochloride of tin) gives a brown deposit of metallic arsenic.
A trace of stannous chloride (protochloride of tin) turns the red solution purple: excess bleaches it.
Proceed with the solution of the ore, treat the residue, if necessary, and reduce the iron by the addition of stannous chloride, followed by mercuric chloride, as described for the bichromate process on page 56.
The colour can be brightened by adding a small proportion of stannous chloride to the mordant or it can be added to the dye bath towards the end of the dyeing.
For still brighter colours, notably yellow and red, stannous chloride was at one time largely employed, now it is used less frequently; and the same may be said of copper and ferrous sulphate, which were used for dark colours.
The colour is developed gradually as the temperature rises; it may be rendered brighter by the addition of stannous chloride.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "stannous chloride" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
