Фенол, о-крезол, м-крезол, п-крезол, крезоловая кислота и ксиленолы технические. Методы испытаний. Часть 7. Определение цвета (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 VII : Measurement of colour (Cresylic acid and xylenols only)
Описание (англ.):
Specifies a method for the comparison of the colour of a test portion against the colour of colorimetric standard colour matching solutions. The colour of cresols present in the test portion is liable to darken on keeping and on exposure to ligth. ISO 1897/7 replaces ISO Recommendation R 1909-1971.
CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING COLORIMETRY CRESOL DETERMINATION OF CONTENT KARL FISCHER REAGENT PHENOL PHENOLS VOLUMETRIC ANALYSIS WATER XYLENOL CHEMICAL ANALYSIS AND TESTIN