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  • 1
    ISSN: 0935-6304
    Keywords: Liquid chromatography, HPLC ; Reversed phase mode ; Metal oxinates ; Quantitative determination of Mn(II) besides Mn(III), in natural waters and fertile soils ; Pre-column and on-column derivatization ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 34 (1983), S. 583-592 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Investigations on the corrosion and corrosion protection of seawater cooled condensor tubes of copper-base alloys - Experiments with rotating samplesExperiments have been done on rotating disc and cylinder electrodes of CuZn20Al2, CuNi10Fe and CuNi30Fe in 3 w/o sodium chloride solution and in artificial sea water at 25 and 40 ° C.Erosion corrosion of sea water cooled tube condensors should be simulated and studied.The corrosion mechanism of copper base alloys in clean and polluted sea water was intensely studied with particular consideration to the influence of ammonia, sulfides and chlorine. The effectiveness of iron sulfate dosing was tested.With the rotating samples under test no erosion corrosion could be detected on free corroding specimens.
    Notes: An rotierenden Scheiben und Zylinderproben aus CuZn20Al2, CuNi10Fe und CuNi30Fe wurden Korrosionsversuche in 3%iger Natriumchloridlösung und in synthetischem Meerwasser bei 25 und 40 ° C durchgeführt. Dabei sollten auch die Vorgänge bei der Erosionskorrosion von meerwassergekühlten Rohrkondensatoren simuliert und untersucht werden. Es wurden umfangreiche Messungen zum Korrosionsmechanismus der Kupferbasislegierungen in sauberem und verunreinigtem Meerwasser durchgeführt, wobei der Einfluss von Ammoniak, Sulfiden und Chlor sowie die Wirksamkeit der Eisensulfatdosierung untersucht wurden. An den verwendeten rotierenden Proben konnte bei freier Korrosion keine Erosion erzeugt werden.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
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