Harmonized System

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Section XVI > Chapter 84 > Heading 8458

Explanatory notes

… These machines can be distinguished from tools (pneumatic, hydraulic or with motor) for working in the hand of heading … 84.61 ). (d)  Tools for working in the hand, pneumatic, hydraulic or with self‑contained electric or non-electric …

Section VI > Chapter 28 > Heading 2829

Explanatory notes

… Other perchlorates . These include : barium perchlorate (hydrated powder) and lead perchlorate; the saturated … iodate (NaIO 3 ), potassium iodate (KIO 3 ) and potassium hydrogen di‑iodate (KH(IO 3 ) 2 ) are employed in medicine …

Section III > Chapter 15 > Heading 1522

Explanatory notes

… and the precipitation by sulphuric acid of the fatty hydroxyacids. These products are encountered commercially in … neutralisation of the free fatty acids with a base (sodium hydroxide), and consisting of a mixture of crude soap and …

Section XVIII > Chapter 90 > Heading 9030

Explanatory notes

… detector tubes (boron, boron trifluoride or hydrogen types, or using radioactive fissionable elements). … neutron detector tubes using boron, boron trifluoride, hydrogen or fissionable elements. ° °   ° Subheading …

Section XVI > Chapter 85 > Heading 8533

Explanatory notes

… of iron filaments assembled in a glass tube filled with hydrogen or helium; these have the property of varying … sliding over a resistance coil; step‑by‑step rheostats; hydro‑rheostats with movable electrodes immersed in a liquid …

Section IV > Chapter 21 > Heading 2101

Explanatory notes

… as instant coffee. This is coffee which has been brewed and dehydrated or brewed and then frozen and dried by vacuum. …

Section VI > Chapter 33

Explanatory notes

… or are held out as having subsidiary therapeutic or prophylactic value (see Note 1 (e) to Chapter 30). However, …

Section VI > Chapter 28 > Heading 2813

Explanatory notes

… where it is injected into the soil for destroying insects, phylloxera, etc. For the latter use, the derived product … from arsenic or arsenous oxide by treatment with sulphur or hydrogen sulphide. (a)  Diarsenic disulphide (artificial …

Section VII > Chapter 39 > Heading 3913

Explanatory notes

… acid , a poly(uronic acid), is extracted from brown algae ( Phaeophyta ) by maceration in an alkaline solution. It may … to atmospheric and chemical deterioration. (b) Rubber hydrochloride . Generally used in packaging, and, when …