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Pewter has a low melting point, around 170–230 °C (338–446 °F), depending on the exact mixture of metals. [2] [3] The word pewter is possibly a variation of "spelter", a term for zinc alloys (originally a colloquial name for zinc). [4]
The Gmelin rare earths handbook lists 1522 °C and 1550 °C as two melting points given in the literature, the most recent reference [Handbook on the chemistry and physics of rare earths, vol.12 (1989)] is given with 1529 °C.
This page provides supplementary chemical data on caffeine. ... Melting point: ... Boiling point: 178 °C (352 °F; 451 K) (sublimation) Solubility in water. 2.17 g ...
Boca Raton, Florida, 2003; Section 6, Fluid Properties; Critical Constants. Also agrees with Celsius values from Section 4: Properties of the Elements and Inorganic Compounds, Melting, Boiling, Triple, and Critical Point Temperatures of the Elements Estimated accuracy for Tc and Pc is indicated by the number of digits.
(For reference, a tall iced coffee at Starbucks, for example, has 135 mg of caffeine, whereas the same size cold brew at the chain contains 155 mg.) That said, when making cold brew at home, you ...
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The exact formula of Phos-Chek is not public knowledge but the company has said in previous filings that the product is 80% water, 14% fertiliser-type salts, 6% colouring agents and corrosion ...
Pure anhydrous caffeine is a bitter-tasting, white, odorless powder with a melting point of 235–238 °C. [7] [8] Caffeine is moderately soluble in water at room temperature (2 g/100 mL), but quickly soluble in boiling water (66 g/100 mL). [197] It is also moderately soluble in ethanol (1.5 g/100 mL). [197]