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  2. Phosphate test - Wikipedia

    en.wikipedia.org/wiki/Phosphate_test

    The absorbance of the blue solution can be measured with a colorimeter and the concentration of phosphate in the original solution can be calculated. Alternatively, a direct (but approximate) reading of phosphate concentration can be obtained by using a Lovibond comparator. This method for phosphate determination is known as Denigés' method ...

  3. The 10 Best Drinking Water Test Kits You Can Order Online - AOL

    www.aol.com/news/7-best-drinking-water-test...

    Quickly and easily test for commonly found pollutants like lead and copper in your home’s drinking water.

  4. Wastewater quality indicators - Wikipedia

    en.wikipedia.org/wiki/Wastewater_quality_indicators

    Wastewater quality indicators are laboratory test methodologies to assess suitability of wastewater for disposal, treatment or reuse. The main parameters in sewage that are measured to assess the sewage strength or quality as well as treatment options include: solids, indicators of organic matter, nitrogen, phosphorus, indicators of fecal ...

  5. Phosphoric acids and phosphates - Wikipedia

    en.wikipedia.org/.../Phosphoric_acids_and_phosphates

    The term phosphate is also used in organic chemistry for the functional groups that result when one or more of the hydrogens are replaced by bonds to other groups. These acids, together with their salts and esters , include some of the best-known compounds of phosphorus, of high importance in biochemistry , mineralogy , agriculture , pharmacy ...

  6. Analysis of water chemistry - Wikipedia

    en.wikipedia.org/wiki/Analysis_of_water_chemistry

    Water chemistry analysis is often the groundwork of studies of water quality, pollution, hydrology and geothermal waters. Analytical methods routinely used can detect and measure all the natural elements and their inorganic compounds and a very wide range of organic chemical species using methods such as gas chromatography and mass spectrometry .

  7. Dipotassium phosphate - Wikipedia

    en.wikipedia.org/wiki/Dipotassium_phosphate

    Together with monopotassium phosphate (KH 2 PO 4. (H 2 O) x), it is often used as a fertilizer, food additive, and buffering agent. [1] It is a white or colorless solid that is soluble in water. It is produced commercially by partial neutralization of phosphoric acid with two equivalents of potassium chloride: [1] H 3 PO 4 + 2 KCl → K 2 HPO 4 ...