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McIlvaine buffer is a buffer solution composed of citric acid and disodium hydrogen phosphate, also known as citrate-phosphate buffer.It was introduced in 1921 by the United States agronomist Theodore Clinton McIlvaine (1875–1959) from West Virginia University, and it can be prepared in pH 2.2 to 8 by mixing two stock solutions.
Ytterbium(III) acetate is an acetate of ytterbium in the +3 oxidation state. It has colorless crystals that are soluble in water and can form hydrates. [18] [19] Ytterbium acetate can be used as a raw material for the synthesis of upconversion luminescent materials; [20] it can also be used as a catalyst for some specific organic reactions. [21]
O-GlcNAc is a post-translational modification found on serine and threonine residues defined by a β-glycosidic bond between the side-chain hydroxyl and N-acetylglucosamine.
acetyl chloride SOCl 2 acetic acid (i) Li[AlH 4], ether (ii) H 3 O + ethanol Two typical organic reactions of acetic acid Acetic acid undergoes the typical chemical reactions of a carboxylic acid. Upon treatment with a standard base, it converts to metal acetate and water. With strong bases (e.g., organolithium reagents), it can be doubly deprotonated to give LiCH 2 COOLi. Reduction of acetic ...
Substance Formula 0 °C 10 °C 20 °C 30 °C 40 °C 50 °C 60 °C 70 °C 80 °C 90 °C 100 °C Barium acetate: Ba(C 2 H 3 O 2) 2: 58.8: 62: 72: 75: 78.5: 77: 75
However, adding a salt such as sodium chloride will lower the temperature through the property of freezing-point depression. Although the exact temperature can be hard to control, the weight ratio of salt to ice influences the temperature: −10 °C can be achieved with a 1:2.5 mass ratio of calcium chloride hemihydrate to ice.
Sodium fluoroacetate, also known as compound 1080, is an organofluorine chemical compound with the chemical formula F C H 2 CO 2 Na. It is the sodium salt of fluoroacetic acid. It contains sodium cations Na + and fluoroacetate anions FCH 2 CO − 2. This colourless salt has a taste similar to that of table salt (sodium chloride) and is used as ...
Phosphine (PH 3) and its organic derivatives (PR 3) are structural analogues of ammonia (NH 3), but the bond angles at phosphorus are closer to 90° for phosphine and its organic derivatives. Phosphine is an ill-smelling, toxic gas.