from The Century Dictionary.

  • noun In chem., a salt of sulphuric acid, in which one half of the hydrogen of the acid is replaced by a metal.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Chem.) A sulphate in which but half the hydrogen of the acid is replaced by a positive element or radical, thus making the proportion of the acid to the positive or basic portion twice what it is in the normal sulphates; an acid sulphate.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun inorganic chemistry Alternative spelling of bisulfate.


Sorry, no etymologies found.


  • Sodium bisulphate is currently the best choice to poison crown-of-thorns with, since it eventually breaks down in seawater.

    Crown-of-thorn sea star

  • Heating in a half-closed pipe with potassium-bisulphate

    1.1 Blow pipe assaying

  • Special reaction for titanium: potassium bisulphate bead is dissolved in water and hydrogen peroxide is added; if the solution becomes brownish-yellow, titanium is present.

    1.1 Blow pipe assaying

  • The process, working on these lines, becomes as follows: The wool is first dyed in an acid bath with the addition of Glauber's salt and bisulphate of soda, or sulphuric acid, the goods are then washed with water containing a little ammonia to free them from the acid, and afterwards dyed with the direct colour in an alkaline bath.

    The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student

  • The operator may now be certain that the liquid will no longer congeal into a soft mass of silver bisulphate, which on contact with water will disintegrate into powder, obstinately retaining a large amount of free acid; but the silver will separate as a monosulphate in hard and large yellow crystals retaining no acid and preserving their physical characteristics when thrown into water.

    Scientific American Supplement No. 819, September 12, 1891

  • Add two ounces of S.P. C. clarifier (acid bisulphate of sodium) solution to one quart of hypo solution 1 in 5.

    Practical Mechanics for Boys

  • When the proof is well developed and fixed, that is, when the soluble iron salts are eliminated, the blue color can be brightened by adding to the last but one washing water a small quantity of citric acid, or of potassium bisulphate, or a little of a solution of hypochlorite of lime

    Photographic Reproduction Processes

  • _ -- First bath, 1 lb. Cyanole extra, 7-1/4 oz. Acid green, 1-1/2 oz. Orange G G, and 10 lb. bisulphate of soda; work at the boil for one hour, then lift and rinse well.

    The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student

  • With him the gas is produced by the admixture of bisulphate of sodium (instead of sulphuric acid, which is a very costly chemical to transport) and chloride of lime.

    Getting Gold: a practical treatise for prospectors, miners and students

  • But, unfortunately, the digestion may be so poor that absorption of the drug does not occur, and in such an event the use of quinine in the form of the bisulphate in thirty-grain doses, with five grains of tartaric acid, will in some cases prove effective.

    The Home Medical Library, Volume I (of VI)


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