Фенол, о-крезол, м-крезол, п-крезол, крезоловая кислота и ксиленолы технические. Методы испытаний. Часть 6. Проба на отсутствие сероводорода (только крезоловой кислоты и ксиленолов)
Название (англ.):
Phenol, o-cresol, m-cresol, p-cresol, cresylic acid and xylenols for industrial use; Methods of test; Part VI : Test for absence of hydrogen sulphide (Cresylic acid and xylenols only)
Описание (англ.):
simple test which cannot be used to obtain quantitative results. The principle of the method is based on formation of a brown colour on lead acetate paper due to reaction with any hydrogen sulphide present in a test portion. ISO 1897/6 replaces ISO Recommendation R 1908-1971.
CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING CRESOL DETERMINATION OF CONTENT HYDROGEN SULPHIDE KARL FISCHER REAGENT PHENOL PHENOLS VOLUMETRIC ANALYSIS WATER XYLENOL CHEMICAL ANALYSIS AND TESTIN