Harmonized System
Section XV > Chapter 81 > Heading 8112 > 8112.2
… Chromium …
Section XV > Chapter 81 > Heading 8112 > 8112.6
… Cadmium …
Section XVIII > Chapter 90 > Heading 9025
… Hydrometers and similar floating instruments, thermometers, pyrometers, …
Explanatory notes
… 90.25 ‑ Hydrometers and similar floating instruments, thermometers, pyrometers, … The heading also includes glass thermometers called minimum and maximum thermometers since they are designed to … types, e.g. : (a) Pyrometers in which a concave mirror concentrates the radiations from an incandescent …Section VII > Chapter 40 > Heading 4001
… Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets …
Explanatory notes
… This liquid consists of an aqueous solution of organic and mineral substances (proteins, fatty acids and their … (1 to 2 grams per litre of latex) of a low concentration mixture of ammonia and substances such as … latexes stabilised by the addition, in particular, of minute quantities of sodium salicylate or formaldehyde and …Section IV > Chapter 19 > Heading 1903
… in the form of flakes, grains, pearls, siftings or in similar forms. …