Fehling’s A is a solution containing copper(II) sulphate, which is blue. Fehling’s B is a clear liquid consisting of potassium sodium tartrate (Rochelle salt) and a strong alkali, usually sodium hydroxide. During the test solutions A and B are prepared individually and stored
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Chemicals
Nitric Acid
Nitric acid, also known as aqua fortis and spirit of niter, is a highly corrosive mineral acid. The pure compound is colorless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water. Most commercially available nitric acid has a concentration of 68% in water.Formula: HNO3SKU: n/a -
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Chemicals
Potassium Nitrate
Potassium nitrate is a chemical compound with the chemical formula KNO₃. It is an ionic salt of potassium ions K⁺ and nitrate ions NO₃⁻, and is therefore an alkali metal nitrate. It occurs in nature as a mineral, niter. It is a source of nitrogen, from which it derives its name.
Formula: KNO3
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