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Tuesday, May 5, 2020 | History

3 edition of Studies on the phenoldisulphonic acid method for determining nitrates in soils found in the catalog.

Studies on the phenoldisulphonic acid method for determining nitrates in soils

by Charles Bernard Lipman

  • 240 Want to read
  • 2 Currently reading

Published by University of California press in Berkeley .
Written in English

    Subjects:
  • Soils -- Analysis.,
  • Nitrates. [from old catalog],
  • Phenol sulphonic acid. [from old catalog]

  • Edition Notes

    Statementby C.B. Lipman and L.T. Sharp.
    SeriesUniversity of California publications in agricultural sciences -- v. 1, no. 2 [from old catalog]
    ContributionsSharp, Leslie Theodore, 1888- [from old catalog] joint author.
    Classifications
    LC ClassificationsS593 .L6
    The Physical Object
    Paginationp. [21]-37 incl. tables.
    Number of Pages37
    ID Numbers
    Open LibraryOL24147134M
    LC Control Number12033593

    This test method covers the determination of total acidity as acetic acid in commonly available grades of monoethylene glycol, diethylene glycol, triethylene glycol and tetraethylene glycol using a non-aqueous potentiometric titration. This test method is useful for determining low levels of acidity, below mg/kg. DETERMINATION OF TEA POLYSACCHARIDES IN CAMELLIA SINENSIS BY A MODIFIED PHENOL-SULFURIC ACID METHOD Volume of concentrated sulfuric acid. To ml of MMS in a test tube (20 ml) ml of 6% phenol was added rapidly.

    The NaBPh 4 method extracted up to 10 times more nonexchangeable K + than the conventional 1 M HNO 3 method in both the untreated and K +-saturated soils. Recently fixed K + in the K +-saturated soil was equally accessible to both methods, except in high-fixing soils where K + was held too strongly to be released by HNO 3. Spectrophotometric Determination of Nitrate in Vegetables Using Phenol *GAYA, U I; ALIMI, S Department of Chemistry, Bayero University, P.M.B , Kano, Nigeria *Corresponding Author. E-mail: [email protected] ABSTRACT: A rapid and sensitive spectrophotometric method for the determination of nitrate in vegetables is described.

    soils (ASS) is that potentially acid sulphate soil (PASS) disturbing activities are avoided or managed to avoid harm to the surrounding environment (DEC ). The objectives of the Acid Sulphate Soil Management Plan (ASSMP) are to minimise the risk to the. IN LIMESTONE AND DOLOSTONE ASTM Designation D (Mn/DOT Modified) SCOPE This method of test covers a proc edure for determining the percent of acid insoluble residue in limestone and dolostone sedimentary rock. The procedure is intended to establish the amount of chert, sand, clay and other noncarbonate materials in limestone and.


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Studies on the phenoldisulphonic acid method for determining nitrates in soils by Charles Bernard Lipman Download PDF EPUB FB2

Title. Studies on the phenoldisulphonic acid method for determining nitrates in soils, Related Titles. Series: University of California publications in agricultural sciences, v. 1, no. 2 [from old catalog] By. Lipman, C. (Charles Bernard), Studies on the phenoldisulphonic acid method for determining nitrates in soils Charles Wesley Davis Iowa State College Follow this and additional works at:dirkbraeckmanvenice2017.com Part of theAgricultural Science Commons,Agriculture Commons,Agronomy and Cited by: 8.

Full text of "Studies on the phenoldisulphonic acid method for determining nitrates in soils" See other formats S J.D23 Copy 1 STUDIES ON THE PHENOLDISULPHONIC ACID METHOD FOR DETERMINING NITRATES IN SOILS BY CHARLES WESLEY DAVIS A DISSERTATION SUBMITTED TO THE GRADUATE FACULTY OF THE IOWA STATE COLLEGE OF AGRICULTURE AND.

Get this from a library. Studies on the phenoldisulphonic acid method for determining nitrates in soils. [C B Lipman; Leslie Theodore Sharp]. Title. Studies on the phenoldisulphonic acid method for determining nitrates in soils, By. Davis, Charles Wesley. Genre. Book Material Type. Studies on the Phenoldisulphonic Acid Method for Determining Nitrates in Soils [Charles Wesley Davis] on dirkbraeckmanvenice2017.com *FREE* shipping on qualifying offers.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifactCited by: 8.

To the Internet Archive Community, Time is running out: please help the Internet Archive today. The average donation is $ If everyone chips in $5, we can keep our website independent, strong and ad-free. Right now, a generous supporter will match your donation 2 Pages: Book/Printed Material Studies on the phenoldisulphonic acid method for determining nitrates in soils, Also available in digital form.

Contributor: Davis, Charles Wesley. nitrate was determined by phenoldisulphonic acid to give a yellow color which was measured spectrophotometrically at nm.

Sulfate was analyzed by adding excess barium chloride to precipitate barium sulfate which be then determined by turbidimetry method and was measured at nm. Our results obtained were compared with previous studies for. Determination of soil nitrate by transnitration of salicylic acid.

Great Plains were extracted and analyzed for NO3‐N by each method. Nitrate concentrations in the soils ranged from 1 to 2. May 04,  · 4 K. Middleton, The use of the orange I method for determining soil nitrates and a comparison with the phenol-sulphonic acid method for certain soils of Northern Nigeria, Journal of the Science of Food and Agriculture,10, 4, Wiley Online Library.

A study of soil samples was done to determine the concentration of the available phosphate, nitrate and sulfate. Samples were collected from different places at different depths. Discover Book Depository's huge selection of Charles Bernard books online.

Free delivery worldwide on over 20 million titles. Studies on the phenoldisulphonic acid method for determining nitrates in soils, (Berkeley, University of California Press, []), by C.

Lipman and Leslie Theodore Sharp (page images at HathiTrust). Feb 01,  · Contraversal results about the behaviour of Fe-EDDHA in soils is thought to be due to the indirect methods used for determining the iron chelate compound in soils.

The purpose of this investigation is to develop a method for isolation of Fe-EDDHA from soil extracts inorder to be determined separatly. A 4% solution of tetra-n-heptylammonium iodide in ethyl alcohol was found effective in Cited by: 3.

Studies on the Phenoldisulphonic Acid Method for Determining Nitrates in Soils, by C. Lipman and L. Sharp. October, 3. The Effects of Calcium and Magnesium Carbonates on Some Biological Transformations of Nitrogen in Soils, by W. Kelley. There will be scheduled maintenance work beginning on Wednesday 26th February from AM through to PM (GMT).

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Leaching of nitrate in calcareous soils as influenced by its adsorption on calcium carbonate. Geoderma, Adsorption of the nitrate ion on calcium carbonate and its leaching in calcareous soils were examined by equilibrium and elution dirkbraeckmanvenice2017.com by: 8.

[Analytical methods for nitrate and nitrite determination in foods. Spectrophotometric determination of nitrate and nitrite using sulphanilic acid/1-naphylamine, and of nitrite using resorcinol/zirconium (IV) oxychloride].

[Article in German] Zimmermann K, von Lengerken dirkbraeckmanvenice2017.com by: 5. These test methods provide for the classification of various grades of sulfuric acid and for the determination of various impurities.

Acid strength and impurity levels are important factors in. Colorimetric determination of soil NO3-N by transnitration of salicylic acid was compared to an automated cadmium reduction and specific ion electrode methods. Soils from locations in the Great Plains, USA, were extracted and analysed for NO3-N by each method.

Nitrate concn in the soils ranged from 1 to mg NO3-N/kg. Similar results were obtained by the salicylic acid and cadmium Cited by: The German sodium salicylate method for nitrate determination has been modified and improved by utilizing flocculating effect of the preservative HgCl 2 ( mg 1 −1).The method gives highly reproducible results in the range of 0·2–16 mg 1 −1 nitrate nitrogen and is applicable for routine analysis of untreated sewage.

Interfering substances are chloride ions above mg 1 −1 and Cited by: concentrations of the acid is of utmost importance. Being metallurgical processes, the concentration of cations is high and this causes interference in determining the acid concentration.

During the acid-base titration, the hydrolysable cations form basic salts or hydroxides, which consume part of the titrant [2,3].