Harmonized System

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Section VI > Chapter 28 > Heading 2841

Explanatory notes

… solution. Occurs as a white powder soluble in water, in aqueous solutions or in paste form. Used as a mordant in … a filler for soap; for hardening plaster; for manufacturing opaque glass; for purifying industrial water, etc. (b) … (i.e., melted or cast chromate) often containing a small quantity of sodium sulphate. Used in tanning …

Section VI > Chapter 38 > Heading 3803

Explanatory notes

… oil, whether or not refined. Tall oil (sometimes known as liquid rosin) is obtained from the black liquor left over from the manufacture of wood pulp by an … resin acids (especially the abietic types), and a smaller quantity of non‑saponifiable products (sterols, higher …

Section XVI > Chapter 85 > Heading 8526

Explanatory notes

… This heading includes : (1)   Radio navigational aid equipment (e.g., radio beacons and radio buoys, with fixed … or rotating aerials; receivers, including radio compasses equipped with multiple aerials or with a directional frame … (GPS) receivers. (2)   Ship or aircraft navigational radar equipment (whether for mounting on the ship, aircraft, etc., …

Section VI > Chapter 28 > Heading 2834

Explanatory notes

… other salts as impurities. Soluble in water, very deliquescent and deteriorating in the air. Used for similar … of nitric acid on bismuth; large crystals, colourless, deliquescent. Used for preparing bismuth oxides or salts and … by treating crushed limestone with nitric acid. White deliquescent mass, soluble in water, alcohol and acetone : …

Section XVIII > Chapter 90 > Heading 9006

Explanatory notes

… change to the film, plate or paper.  Further processing is required to create a viewable image. There are many … a motor drive for winding film, an integral flash and a liquid crystal display all of which may be controlled by a … The cameras of this group include : (1)   Stereo cameras , equipped with two identical lenses and a shutter which …

Section IV > Chapter 21 > Heading 2104

Explanatory notes

… category includes : (1)   Preparations for soups or broths requiring only the addition of water, milk, etc. (2)   Soups … the basic ingredients, these preparations may contain small quantities of substances such as cheese, egg yolk, starch, … They are usually put up in airtight jars or cans in a quantity generally corresponding to one whole meal. The …

Section XI > Chapter 58 > Heading 5804

Explanatory notes

… with the warp; the meshes may be in regular hexagonal form, square, or diamond‑shaped (Neuville net). Another variety of … warp and bind the pattern threads to it (see Figure 3). Opaque parts in the design are produced by grouping together … thread runs alternately alongside different warps forming square meshes as it passes from one to the other. The …

Section VI > Chapter 38 > Heading 3807

Explanatory notes

… wood. Apart from gases, these processes give pyroligneous liquids, wood tar and wood charcoal in proportions varying … wood employed and the speed of the operation. Pyroligneous liquids (sometimes known as raw pyroligneous acid), which … directly as a fraction settling out from the pyroligneous liquids (settled tars), or by distillation of the …

Section XIV > Chapter 71 > Heading 7110

Explanatory notes

… tarnished at room temperature and resistant to acids except aqua regia. It can be fabricated into bars, sheets, strip, … for man-made fibres; in the glass industry for molten glass equipment such as bushings for glass fibre production, … resistant to tarnishing and corrosion. It dissolves in aqua regia and nitric acid and is attacked by hot sulphuric …

Section XVI > Chapter 85 > Heading 8541

Explanatory notes

… into a variable electrical output. Sound waves are physical quantities that hit the membrane and bring it to vibration …