Harmonized System

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Section VI > Chapter 28 > Heading 2811

Explanatory notes

… ) : (A) COMPOUNDS OF FLUORINE (1) Hydrogen fluoride (HF). Obtained by the action of sulphuric acid on natural calcium … acid) (H 2 SiF 6 ), e.g., in aqueous solutions obtained as by‑products in the manufacture of …

Section VI > Chapter 28 > Heading 2830

Explanatory notes

… (b) Sodium hydrogen sulphide (hydrosulphide) (NaHS). Obtained by the action of hydrogen sulphide on the neutral … etc. (2)   Zinc sulphide (ZnS). Artificial zinc sulphide is obtained in the hydrated form by precipitating an alkali …

Section VI > Chapter 28 > Heading 2849

Explanatory notes

… cyanamide. (2) Silicon carbide (SiC) (carbon silicide). Obtained by treating carbon and silica in an electric … etc. ( heading 68.04 ). (3) Boron carbide (borocarbon). Obtained by treating graphite and boric acid in an electric …

Section VI > Chapter 28 > Heading 2815

Explanatory notes

… is sodium carbonate ( heading 28.36 ). Sodium hydroxide is obtained, for example, by causticising sodium carbonate with … etc.). The heading excludes residual lyes (soda lyes) obtained as residual products from the manufacture of wood … ); from these lyes the tall oil of heading 38.03  can be obtained and sodium hydroxide regenerated. The heading also …

Section III > Chapter 15 > Heading 1509

Explanatory notes

… virgin olive oils 1509.90 ‑ Other Olive oil is the oil obtained from the fruit of the olive tree ( Olea europaea L. ). This heading covers : Virgin olive oils are the oils obtained from the fruit of the olive tree solely by … and filtration . (A) Extra virgin olive oil, which is obtained under specific conditions, in particular as regards …

Section VI > Chapter 38 > Heading 3801

Explanatory notes

… graphitisation process.         In this way, a product is obtained with an apparent specific gravity of about 1.5 to … generally of the following types :       (i)    “ Carbons ” obtained by the firing, at a temperature (1000 to 1200 °C) …

Section VI > Chapter 28 > Heading 2804

Explanatory notes

… - Arsenic 2804.90 - Selenium (A) HYDROGEN Hydrogen is obtained by electrolysing water, or from water‑gas, … light). (5)   Xenon (gives a blue light). Rare gases are obtained by fractionating liquid air, or also (in the case … nor supports combustion, but extinguishes flames. It is obtained by fractional distillation of liquid air, and is …

Section IV > Chapter 20 > Heading 2009

Explanatory notes

… fruit and vegetable juices of this heading are generally obtained by mechanically opening or pressing fresh, healthy … this heading also include coconut water. The liquids thus obtained are then generally submitted to the following … (d)   Homogenisation , in the case of certain juices obtained from very fleshy fruits (tomatoes, peaches, etc.). …

Section VI > Chapter 35 > Heading 3505

Explanatory notes

… (A)  Dextrins and other modified starches , i.e., products obtained by the transformation of starches through the … are an important group of modified starches. (1) Dextrins , obtained :              -     either by the degradation of …

Section VI > Chapter 28 > Heading 2850

Explanatory notes

… important hydride is calcium hydride (CaH 2 ) (hydrolith) obtained by direct combination of its elements; white masses … hafnium, vanadium, tantalum or niobium nitrides are obtained either by heating the pure metal in nitrogen at a …

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