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  2. Leaching (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Leaching_(chemistry)

    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]

  3. Bulk leach extractable gold - Wikipedia

    en.wikipedia.org/wiki/Bulk_leach_extractable_gold

    Bulk leach extractable gold, more commonly shortened to BLEG, is a geochemical sampling/analysis tool used during exploration for gold.It was developed in the early 1980s to address concerns relating to the accurately measuring fine grained gold, and dealing with problems associated with sample heterogeneity.

  4. Reading Scientific Services - Wikipedia

    en.wikipedia.org/wiki/Reading_Scientific_Services

    R&D Support Services include Biopharma Forced Degradation Studies, Extractables & Leachables, Formulation & Support, ICH Stability Studies, Impurity Isolation & Sample Purification, Method Development & Validation, Pharmaceutical Cleaning Validation, Physical & Structural Characterisation, Protein, Peptide & Glycoprotein Analysis

  5. Leaching (metallurgy) - Wikipedia

    en.wikipedia.org/wiki/Leaching_(metallurgy)

    Leaching is a process widely used in extractive metallurgy where ore is treated with chemicals to convert the valuable metals within the ore, into soluble salts while the impurity remains insoluble.

  6. Toxicity characteristic leaching procedure - Wikipedia

    en.wikipedia.org/wiki/Toxicity_characteristic...

    Toxicity characteristic leaching procedure (TCLP) is a soil sample extraction method for chemical analysis employed as an analytical method to simulate leaching through a landfill.

  7. OECD Guidelines for the Testing of Chemicals - Wikipedia

    en.wikipedia.org/wiki/OECD_Guidelines_for_the...

    Section 5: Other Test Guidelines; Guidelines are numbered with three digit numbers, the section number being the first number. Sometimes guidelines are suffixed with a letter. Guidelines are under constant review, with guidelines being periodically updated, new guidelines being adopted, and guidelines being withdrawn.

  8. Good laboratory practice - Wikipedia

    en.wikipedia.org/wiki/Good_Laboratory_Practice

    The FDA requires nonclinical laboratory studies on new drugs, food additives, and chemicals to assess their safety and potential effectiveness in humans in compliance with 21 CFR Part 58, Good Laboratory Practice for Nonclinical Studies under the Federal Food Drug and Cosmetic Act and Public Health Service Act. [16]

  9. Extractable nuclear antigen - Wikipedia

    en.wikipedia.org/wiki/Extractable_nuclear_antigen

    ENA (extractable nuclear antigen) panel tests, test for autoantibodies to proteins in the cell nucleus. The term "extractable" is derived from the ability to remove the autoantibodies from the nuclei with saline and common proteins. The method of identifying these specimens is why they are also referred to as antibodies to saline-extracted ...

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