Sodium and potassium carbonates are valuable for fluxing off silica; mixed with potassium nitrate sodium carbonate forms a valuable oxidizing fusion mixture; "black flux" is a reducing flux composed of finely divided carbon and potassium carbonate, and formed by deflagrating a mixture of argol with 4 to 2 its weight of nitre. [Please select]
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It is not advisable to use more argol than is here given, for (p.) [Please select]
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116) are used sulphuric acid, oxalic acid, cream of tartar or argol, lactic acid, etc. [Please select]
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Mr Bloom with his argol bargol. [Please select]
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Alumina is applied either in the form of alum or of sulphate of alumina, argol or tartar being used as the assistant, oxide of alumina being deposited on the fibre. [Please select]
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