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In United States Pharmacopeia (USP) General Chapter <711> Dissolution, there are four dissolution apparatuses standardized and specified. [6] They are: USP Dissolution Apparatus 1 – Basket (37 °C ± 0.5 °C ) USP Dissolution Apparatus 2 – Paddle (37 °C ± 0.5 °C) USP Dissolution Apparatus 3 – Reciprocating Cylinder (37 °C ± 0.5 °C)
Petrine privilege, also known as the privilege of the faith or favor of the faith, is a ground recognized in Catholic canon law allowing for dissolution by the Pope of a valid natural marriage between a baptized and a non-baptized person for the sake of the salvation of the soul of someone who is thus enabled to marry in the Church.
Chloroform, [10] or trichloromethane (often abbreviated as TCM), is an organochloride with the formula C H Cl 3 and a common solvent.It is a volatile, colorless, sweet-smelling, dense liquid produced on a large scale as a precursor to refrigerants and PTFE. [11]
The Pauline privilege (Latin: privilegium Paulinum) is the allowance by the Roman Catholic Church of the dissolution of marriage of two persons not baptized at the time the marriage occurred. [1] The Pauline privilege is drawn from the apostle Paul 's instructions in the First Epistle to the Corinthians .
Proteins that have high hydrophobic amino acid content on the surface have low solubility in an aqueous solvent. Charged and polar surface residues interact with ionic groups in the solvent and increase the solubility of a protein. Knowledge of a protein's amino acid composition will aid in determining an ideal precipitation solvent and methods.
In pharmaceutics, sink condition is a term mostly related to the dissolution testing procedure.. It means using a sheer volume of solvent, usually about 5 to 10 times greater than the volume present in the saturated solution of the targeted chemical (often the API, and sometimes the excipients) contained in the dosage form being tested.
Biological substances can experience leaching themselves, [2] as well as be used for leaching as part of the solvent substance to recover heavy metals. [6] Many plants experience leaching of phenolics, carbohydrates, and amino acids, and can experience as much as 30% mass loss from leaching, [5] just from sources of water such as rain, dew, mist, and fog. [2]
The following compounds are liquid at room temperature and are completely miscible with water; they are often used as solvents. Many of them are hygroscopic . Organic compounds