نتایج جستجو برای: hydrochloric acid

تعداد نتایج: 747529  

Journal: :Journal of Physics: Conference Series 2021

2006
L. FAVRETTO

A new method is described for determining in shales the amount of sulphides that dissolve in dilute hydrochloric acid. 1he samples are treated with hydrochloric acid under vacuum, and the hydrogen sulphide evolved is absorbed in potassium hydroxide and titrated with potassium _~'~ermanganate. The analytical results are expressed as FeS. INTRODUCTION During a study of the distribution of the sul...

Journal: :journal of applied research in water and wastewater 2014
masoud shariati-rad mohsen irandoust farahnaz niazi

a simple and rapid spectrophotometric method for the determination of nitrite in water and soil preparation samples has been developed. determination of nitrite is based on diazotization of p-nitro aniline with nitrite and subsequent coupling with 4-amino-3-hydroxynaphthalene-1-sulfonic acid in hydrochloric acid. the factors affecting the reaction i.e. concentration of p-nitro aniline, concentr...

Journal: :Journal of General Physiology 1931

Journal: :Journal of the Japan Welding Society 1966

Journal: :The Journal of Physical Chemistry 1921

Journal: :Journal of General Physiology 1930

Journal: :The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science 1901

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