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A chloridometer is a measuring instrument used to determine the concentration of chloride ions (Cl –) in a solution.It uses a process known as coulometric titration or amperostatic coulometry, the accepted electrochemistry reference method to determine the concentration of chloride in biological fluids, including blood serum, blood plasma, urine, sweat, and cerebrospinal fluid.
Phosphate tests test for phosphate; The sodium fusion test tests for the presence of nitrogen, sulfur, and halides in a sample; The Zerewitinoff determination tests for any acidic hydrogen; The Oddy test tests for acid, aldehydes, and sulfides; Gunzberg's test tests for the presence of hydrochloric acid; Kelling's test tests for the presence of ...
[4] For example, a water-soluble drug product should be dissolved in "Buffered Sodium Chloride-Peptone Solution pH 7.0, Phosphate Buffer Solution pH 7.2, or Soybean-Casein Digest Broth." [ 4 ] The Membrane-Filtration Method and Plate Count Method can be used to measure the number of microbes in a sample. [ 4 ]
All analytical procedures should be validated. Identification tests are conducted to ensure the identity of an analyte in a sample through comparison of the sample to a reference standard through methods such as spectrum, chromatographic behavior, and chemical reactivity. [5] Impurity testing can either be a quantitative test or a limit test.
Maximum contaminant levels (MCLs) are standards that are set by the United States Environmental Protection Agency (EPA) for drinking water quality. [1] [2] An MCL is the legal threshold limit on the amount of a substance that is allowed in public water systems under the Safe Drinking Water Act (SDWA).
Sample preparation for leaching; Sample leaching; Preparation of leachate for analysis; Leachate analysis; In the TCLP procedure the pH of the sample material is first established, and then leached with an acetic acid / sodium hydroxide solution at a 1:20 mix of sample to solvent. For example, a TCLP jug may contain 100g of sample and 2000 mL ...
Loss on ignition (LOI) is a test used in inorganic analytical chemistry and soil science, particularly in the analysis of minerals and the chemical makeup of soil. It consists of strongly heating a sample of the material at a specified temperature, allowing volatile substances to escape, until its mass ceases to change. This may be done in air ...
Adsorbable organic halides (AOX) is a measure of the organic halogen load at a sampling site such as soil from a land fill, water, or sewage waste. [1] The procedure measures chlorine, bromine, and iodine as equivalent halogens, but does not measure fluorine levels in the sample.