رموز نظام التوحيد القياسي ورموز التعرفة الجمركية - المواد الكيميائية والصناعات المرتبطة 28 - 38

281610

Hydroxide and peroxide of magnesium

281640

Oxides, hydroxides and peroxides, of strontium or barium

281700

Zinc, oxide and peroxide

281810

Aluminium oxide, artificial corundum

281820

Aluminium oxide, other than artificial corundum

281830

Aluminium hydroxide

281910

Chromium trioxide

281990

Chromium oxides and hydroxides, excluding chromium trioxide

282010

Manganese dioxide

282090

Manganese oxides, excluding manganese dioxide

282110

Iron oxides and hydroxides

282120

Earth colours, containing 70% or more by weight of combined iron evaluated as Fe2o3

282200

Cobalt oxides and hydroxides, commercial cobalt oxides

282300

Titanium oxides

282410

Lead, lead monoxide (litharge, massicot)

282490

Lead oxides, n.e.c. in heading no. 2824

282510

Hydrazine and hydroxylamine and their inorganic salts

282520

Lithium oxide and hydroxide

282530

Vanadium oxides and hydroxides

282540

Nickel oxides and hydroxides