Lesson plan
Brix
Degrees Brix (symbol °Bx) is a measure of the dissolved solids in a liquid, based on its specific gravity, and is commonly used to measure dissolved sugar content of a solution. One degree Brix is the concentration of one unit mass of solute in 100 units mass of solution, thereby representing the strength of the solution as percentage by mass (e.g. the concentration of solute in a solution of 99 g water and 1 g sugar, i.e. 100 g aqueous solution of 1% sugar, is 1 °Bx). If the solution contains dissolved solids other than pure sucrose, then °Bx only approximates the dissolved solid content. For example, when one creates two solutions, one with equal volumes of salt and water and one with equal volumes of sugar and water, the number of degrees Brix of the salt solution is higher than that of the sugar solution because the salt is denser. The unit °Bx is traditionally used in the wine, sugar, carbonated beverage, fruit juice, fresh produce, maple syrup, and honey industries. The degree Brix is also used for expressing concentrations of water-based cutting fluids for metalworking processes.…
Article summary
Degrees Brix (symbol °Bx) is a measure of the dissolved solids in a liquid, based on its specific gravity, and is commonly used to measure dissolved sugar content of a solution. One degree Brix is the concentration of one unit mass of solute in 100 units mass of solution, thereby representing the strength of the solution as percentage by mass (e.g. the concentration of solute in a solution of 99 g water and 1 g sugar, i.e. 100 g aqueous solution of 1% sugar, is 1 °Bx). If the solution contains dissolved solids other than pure sucrose, then °Bx only approximates the dissolved solid content. For example, when one creates two solutions, one with equal volumes of salt and water and one with equal volumes of sugar and water, the number of degrees Brix of the salt solution is higher than that of the sugar solution because the salt is denser. The unit °Bx is traditionally used in the wine, sugar, carbonated beverage, fruit juice, fresh produce, maple syrup, and honey industries. The degree Brix is also used for expressing concentrations of water-based cutting fluids for metalworking processes.…
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
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