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Sulfurous acid is most often used for this purpose for soils (Nelson and Sommers 1996), whereas removal of carbonates from other environmental materials (e.
When sulfur dioxide dissolves in water, it produces sulfurous acid, not sulfuric.
These articles, originating from about 1835 to 1845, include such topics as inorganic neutral oxysalts in general and phosphates, arseniates, phosphites and arensites in particular, the reaction and products of sulfurous acid and iron or zinc, nitric sulphate oxide and experimental demonstrations proving its non-existence, the nature of Aqua Regia, reciprocal actions of sulfurous and hyponitric acids, observations on the Theory of Peligot, the function of water, the formulation of hypoiodous acid, the existence of double salts in codeine and morphine, and the quantitative determination of chlorine and hydrochloric acid when the two gases occur together.
The Wine Titrino package contains a comprehensive application file with clearly-laid-out and detailed method descriptions, with parameters and titration curve examples as well as examples about the determination of: pH value, total titratable acidity, free sulfurous acid, total sulfurous acid, volatile acids, fixed acidity, ascorbic acid (vitamin C), reducing sugars, carbon dioxide, ash and ash alkalinity, calcium and magnesium, chloride, total phosphorus, sulfate, Na, NH4, K, F, alcohol.