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Triphenyl phosphate (TPhP) is the chemical compound with the formula OP(OC 6 H 5) 3. It is the simplest aromatic organophosphate. This colourless solid is the ester (triester) of phosphoric acid and phenol. It is used as a plasticizer and a fire retardant in a wide variety of settings and products. [3]
Because magnesium readily dissolves in water, refined foods, which are often processed or cooked in water and dried, in general, are poor sources of the nutrient. For example, whole-wheat bread has twice as much magnesium as white bread because the magnesium-rich germ and bran are removed when white flour is processed.
Triphenylphosphine oxide (often abbreviated TPPO) is the organophosphorus compound with the formula OP(C 6 H 5) 3, also written as Ph 3 PO or PPh 3 O (Ph = C 6 H 5).It is one of the more common phosphine oxides.
Phosphorus that runs into freshwater lakes and rivers can cause algal blooms. [16] [19] Phosphate-free detergent reduces the amount of phosphate that wastewater treatment plants must clean up. [16] From the 1960s-2010s the standard way to determine the amount of phosphate in water has been using colorimetry. [20]
This is about 1.5% of body weight. [2] Phosphorus occurs in amounts of about 2/3 of calcium, and makes up about 1% of a person's body weight. [10] The other major minerals (potassium, sodium, chlorine, sulfur and magnesium) make up only about 0.85% of the weight of the body. Together these eleven chemical elements (H, C, N, O, Ca, P, K, Na, Cl ...
The phosphorus-containing product is triphenylphosphine sulfide, Ph 3 PS. This reaction can be employed to assay the "labile" S 0 content of a sample, say vulcanized rubber. Triphenylphosphine selenide, Ph 3 PSe, may be easily prepared via treatment of PPh 3 with red (alpha-monoclinic) Se. Salts of selenocyanate, SeCN −, are used as the Se 0 ...
Phosphites are oxidized to phosphate esters: P(OR) 3 + [O] → OP(OR) 3. This reaction underpins the commercial use of some phosphite esters as stabilizers in polymers. [6] Alkyl phosphite esters are used in the Perkow reaction for the formation of vinyl phosphonates, and in the Michaelis–Arbuzov reaction to form phosphonates.
Magnesium deficiency is an electrolyte disturbance in which there is a low level of magnesium in the body. [3] Symptoms include tremor, poor coordination, muscle spasms, loss of appetite, personality changes, and nystagmus. [1] [2] Complications may include seizures or cardiac arrest such as from torsade de pointes. [1]