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Per-kilogram prices of some synthetic radioisotopes range to trillions of dollars. ... ( mg / kg ) Price [7] Year Source Notes USD/kg USD/L [c] 1: H: Hydrogen ...
Crude glycerol produced from triglycerides is of variable quality, with a low selling price of as low as US$0.02–0.05 per kilogram already in 2011. [13] It can be purified in a rather expensive process by treatment with activated carbon to remove organic impurities, alkali to remove unreacted glycerol esters, and ion exchange to remove salts.
Phase behavior Triple point: 291.8 K (18.7 °C), ~99500 Pa Critical point: 850 K (577 °C), 7500 kPa Std enthalpy change of fusion, Δ fus H o: 18.28 kJ/mol Std entropy change
Triacetin was prepared in the 19th century from glycerol and acetic acid. [13] Its synthesis from acetic anhydride and glycerol is simple and inexpensive. 3 (CH 3 CO) 2 O + 1 C 3 H 5 (OH) 3 → 1 C 3 H 5 (OCOCH 3) 3 + 3 CH 3 CO 2 H. This synthesis has been conducted with catalytic sodium hydroxide and microwave irradiation to give a 99% yield ...
In this Norwegian grocery store, the price for a bottle of ketchup is displayed in terms of the price paid per package (64.90 kr) and the price paid per kilogram (111.90 kr). this allows customers to know how much they will pay and to quickly compare products that have different sizes of packages.
Stearin / ˈ s t ɪər ɪ n /, or tristearin, or glyceryl tristearate is an odourless, white powder. It is a triglyceride derived from three units of stearic acid.Most triglycerides are derived from at least two and more commonly three different fatty acids. [7]
A constant blood concentration of 1 to 1.5 g/L (corresponding to 0.5 to 0.75 mg/L in the breath) should be maintained to acceptably saturate the enzyme. An initial dose of 0.6 to 0.7 g ethanol per kilogram body weight should be given (about 0.8 mL/kg or 0.013 fl.oz/lb). This will cause ethanol intoxication. To avoid adverse effects, frequent ...
The splitting (or hydrolysis) of the triglycerides produces fatty acids and glycerol follows this equation: RCO 2 CH 2 –CHO 2 CR–CH 2 O 2 CR + 3 H 2 O → 3 RCOOH + HOCH 2 –CHOH–CH 2 OH. To this end, hydrolysis is conducted in water at 250 °C. The cleavage of triglycerides with base proceeds more quickly than hydrolysis, the process ...