Výsledky vyhledávání - "J Harold Falls"

Testing of Commonly Used Mixing and Sampling Procedures to Evaluate Fertilizer Blends Prepared with Matched and Mismatched Particle Sizes

Autor: J Harold Falls, William L Hall, Charles A. Ramsey

Publikováno v: Journal of AOAC International. 97:752-758

Bulk blending of dry fertilizers is a common practice in the United States and around the world. This practice involves the mixing (either physically or volumetrically) of concentrated, high analysis raw materials. Blending is followed by bagging (fo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::68822f1249ee9e3bf56b47972b484a7a
https://doi.org/10.5740/jaoacint.13-414

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Determination of phosphorus and potassium in commercial inorganic fertilizers by inductively coupled plasma-optical emission spectrometry: single-laboratory validation

Autor: Barton L Boggs, James M Bartos, J Harold Falls, Sanford A Siegel

Publikováno v: Journal of AOAC International. 97(3)

A two-part single-laboratory validation study was conducted for determination of the P and K content in commercial fertilizer materials by inductively coupled plasma-optical emission spectrometry (ICP- OES). While several methods exist for determinat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::316d684ba88b455c2ffdb040ec424e7a
https://pubmed.ncbi.nlm.nih.gov/25051613

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Comparison and review of three available P2O5 methods for diammonium phosphate and triple superphosphate

Autor: J. Harold Falls

Publikováno v: Fertilizer Research. 28:239-249

The AOAC indirect, AOAC direct and EEC direct available P2O5 methods are compared by two different collaborative studies on DAP and GTSP. The collaborative studies found the AOAC direct and EEC direct available P2O5 methods to be lower than the AOAC

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2dadabd7f23cb55db014e36ad4bb4c7f
https://doi.org/10.1007/bf01049757

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Direct Potentiometric Titration of Urea with Urease

Autor: William R Barnacascel, J Harold Falls, Perry W Britt

Publikováno v: Journal of AOAC INTERNATIONAL. 59:1045-1047

AOAC method 2.070–2.071 for determining urea with urease was shown to yield varying results according to the analyst’s interpretation of titrating to a neutral end point. The method was modified to allow the end point of the titration to correspo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9f13ffe309faf037d85d9bd86b03691e
https://doi.org/10.1093/jaoac/59.5.1045

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