11. Acid salts of polythionic acids do not exist.12. An acid salt can act either as an acid or as a split off H +. 13. The maleic acid salt of the levorotatory isomer is sold as the prescription drug "'rotoxamine " '. 14. "' Hydroxylammonium sulfate "'( NH 3 OH ) 2 SO 4, is the sulfuric acid salt of hydroxylamine. 15. However, their incorporation does mean that the analogue can be formulated as a wide variety of acid salts . 16. Roy Beck, Charles Peter and Edward Owens studied and experimented with chromic acid salt sensitized emulsions for photo-reactive stencils. 17. Sodium hydroxide, in presence of essential oils, undergoes a reaction to give glycerol and fatty acid salts as follows: 18. The substance is best described as a melamine-cyanuric acid salt as suggested by its non-systematic trivial name " melamine cyanurate ". 19. It is a magnesium acid salt of phosphoric acid with the chemical formula Mg ( H 2 PO 4 ) 2. 20. He is especially interested in the figure's exposed right knee and its conspicuous bumps, called tophi : deposits of uric acid salts .