Ключевые слова:
Manganese inorganic compounds|Green|Testing conditions|Copper organic compounds|Mixing|Portland cement|Determination of content|Cements|Solvent extraction methods|Pigments|Oxides|Samples|Test equipment|Chromium inorganic compounds|Colour tests|Hydroxides|Carbon black|Titanium dioxide|Stain tests|Chemical composition|Blue|Iron inorganic compounds|Compression testing|Volatile matter determination