enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. United States Pharmacopeia - Wikipedia

    en.wikipedia.org/wiki/United_States_Pharmacopeia

    The USP is published in a combined volume with the National Formulary (a formulary) as the USP-NF. [2] If a drug ingredient or drug product has an applicable USP quality standard (in the form of a USP-NF monograph), it must conform in order to use the designation "USP" or "NF".

  3. Dissolution testing - Wikipedia

    en.wikipedia.org/wiki/Dissolution_testing

    [28] [29] One such criteria is the parameter "Q", which is a percentage value denoting the quantity of dissolved active ingredient within the monograph of a sample solution. If the initial sample analysis, known as S1 or stage 1 testing fails to meet the acceptable value for Q, then additional testing known as stage 2 and 3 testing is required.

  4. Food Chemicals Codex - Wikipedia

    en.wikipedia.org/wiki/Food_Chemicals_Codex

    Monographs may also detail USP Reference Standards and/or other materials needed for test performance. The FCC's appendices contain step-by-step guidance for general physical and chemical tests, and apparatus use, as well as generally useful information, such as food ingredient good manufacturing practices .

  5. Ehrlich's reagent - Wikipedia

    en.wikipedia.org/wiki/Ehrlich's_reagent

    The van Urk reagent, which uses 0.125 g of p-DMAB, 0.2 mL of ferric chloride solution (25 mg/mL) in 100 mL of 65% sulfuric acid. [ 9 ] [ 10 ] [ 11 ] This is sometimes referred to as the Hofmann reagent or p-DMAB-TS (Test Solution) and gives slightly different colours with different indoles.

  6. USP Controlled Room Temperature - Wikipedia

    en.wikipedia.org/wiki/USP_Controlled_Room...

    The USP Controlled Room Temperature is a series of United States Pharmacopeia guidelines for the storage of pharmaceuticals; [1] the relevant omnibus standard is USP 797. [2] [3] Although 100% compliance remains challenging for any given facility, [4] the larger protocol may be regarded as constituting a form of clean room [5] which is included in a suite of best practices.

  7. Reagent Chemicals - Wikipedia

    en.wikipedia.org/wiki/Reagent_Chemicals

    2016: The 11th edition introduces heavy metal test methodologies utilizing ICP-OES. 2017: The new online edition of Reagent Chemicals , based on the 11th edition in print, improved the speed and simplicity with which the Committee communicates updates and changes by bringing the entire reference resource to the ACS journals platform.

  8. US FDA proposes standardized testing to detect asbestos in ...

    www.aol.com/us-fda-proposes-standardized-testing...

    In its proposed rule, the FDA would require manufacturers to test a sample of each batch of a talc-containing cosmetic product for asbestos by using methods such as polarized light and ...

  9. Tincture of iodine - Wikipedia

    en.wikipedia.org/wiki/Tincture_of_iodine

    USP Tincture of Iodine is defined in the U.S. National Formulary (NF) as containing in each 100 mL, 1.8 to 2.2 grams of elemental iodine, and 2.1 to 2.6 grams of sodium iodide. Alcohol is 50 mL, and the balance is purified water. This "2% free iodine" solution has 0.08 mol/L of I 2, which provides about 1 mg of free iodine per 0.05 mL drop. The ...