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Magnesium chloride (E511 [19]) is an important coagulant used in the preparation of tofu from soy milk. In Japan it is sold as nigari ( にがり , derived from the Japanese word for "bitter"), a white powder produced from seawater after the sodium chloride has been removed, and the water evaporated.
The amount of Mg consumed by these activating agents is usually insignificant. A small amount of mercuric chloride will amalgamate the surface of the metal, enhancing its reactivity. Addition of preformed Grignard reagent is often used as the initiator. Specially activated magnesium, such as Rieke magnesium, circumvents this problem. [5]
BSS (ophthalmic irrigation solution) (produced by Alcon) . Composition per 1 mL: sodium chloride (NaCl) 6.4 mg, potassium chloride (KCl) 0.75 mg, calcium chloride dihydrate (CaCl 2 ·2H 2 O) 0.48 mg, magnesium chloride hexahydrate (MgCl 2 •6H 2 O) 0.3 mg, sodium acetate trihydrate (C 2 H 3 NaO 2 ·3H 2 O) 3.9 mg, sodium citrate dihydrate (C 6 H 5 Na 3 O 7 ·2H 2 O) 1.7 mg, sodium hydroxide ...
Solutions of isopropylmagnesium chloride by treating isopropyl chloride with magnesium metal in refluxing ether: [1] (CH 3) 2 HCCl + Mg → (CH 3) 2 HCMgCl. This reagent is used to prepare other Grignard reagents by transmetalation. [2] An illustrative reaction involves the generation of the Grignard reagent derived from bromo-3,5-bis ...
Methylmagnesium chloride is an organometallic compound with the general formula CH 3 MgCl. This highly flammable, colorless, and moisture sensitive material is the simplest Grignard reagent and is commercially available, usually as a solution in tetrahydrofuran .
"Himalayan salt is often a pink color from other minerals besides sodium and chloride, like copper, calcium and magnesium," Wagner says. "Iodine is usually not added to Himalayan salt.
Magnesium chloride is an ionic compound, which can be electrolysed in a molten state to form magnesium and chlorine gas. The properties of magnesium bromide and magnesium iodide are similar. [ citation needed ] HMgX (X=Cl,Br,I) can be obtained by reacting the corresponding magnesium halide with magnesium hydride.
The tables below present an example of an artificial seawater (35.00‰ of salinity) preparation devised by Kester, Duedall, Connors and Pytkowicz (1967). [1] The recipe consists of two lists of mineral salts, the first of anhydrous salts that can be weighed out, the second of hydrous salts that should be added to the artificial seawater as a solution.