… (e.g., headings 38.15, 38.24 ). Titanium dioxide which is unmixed and not surface-treated is classified in heading … ultramarines are also covered by this heading, but certain unmixed chromates, sometimes known as yellow ultramarine, …
… of coal tar. This heading applies, inter alia , to : (A) Unmixed synthetic organic colouring matter (whether or not … reagents designed to be administered to the patient, being unmixed products put up in measured doses or products …
