stannate

[stan-eyt]

noun

Chemistry.

1. a salt of a stannic acid.

Word History and Origins

Origin of stannate¹

First recorded in 1830–40; stann(ic acid) + -ate ²

Example Sentences

In the ensuing reaction the oxygen of the nitrate combines with the tin to form stannic acid, and this, in turn, combining with the alkali present, forms a stannate of that base, which, entering into solution, leaves the before-plated metal tin-free, the chloride present assisting in the reaction.

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Moreover, if soldered articles are boiled for any length of time in caustic alkali during the preliminary cleansing, enough tin will dissolve to form a solution of stannate of potash or soda — strong enough to deposit tin on brass or copper.

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The stannate of soda is employed in the same manner as when the eosines are used, and, therefore, does not require to be further dealt with.

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In dyeing with this class of colours stannate of soda, acetate of lead or alum may be used as mordants.

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After this treatment the cotton is ready for dyeing with any kind of acid, azo and even eosine dyes, and this is done in the same manner as is used in dyeing the eosines on a stannate mordant.

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