![]() Subtly, these measure different things, the specific gravity tells us the density of the liquid (grams per litre) and the ☋rix tells us the dissolved solids (percentage mass of solute to solution - grams per 100 grams). Grams per litre of dissolved solids is calculated from the specific gravity, and the ☋rix. Oechsle has a simple relationship with SG: Potential alcohol is calculated as discussed in the alcohol predicition section, with the assumption of a final gravity of 1.000, and a correction for DSOS of 0.007. If another value, such as Baume is provided, it is first converted to specific gravity, and then all other values are calculated from that.Ĭalculating ☋rix from SG is based on an expression from a polynomial fit to a large data set:īrix = 143.254 * sg 3 - 648.670 * sg 2 + 1125.805 * sg - 620.389 Every value is calculated from specific gravity.
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