About sulphate of potassium (sop) effect
Potassium carbonate or potassium bicarbonate may also be included to hydrochloric acid, but this calls for care to manage carbon dioxide outgassing.Potassium chloride could be prepared from potassium hydroxide and hydrochloric acid, but this method is uneconomical inside the lab as a consequence of The reality that KCl is usually much easier to get