Harmonized System

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Section XVIII > Chapter 90 > Heading 9018

Explanatory notes

… whether or not combined on a single base with other dental equipment 9018.49 - - Other 9018.50 - Other ophthalmic … which they are dismantled for sterilisation, their better quality manufacture, the nature of the constituent metals or … from which air has been evacuated but containing a small quantity of anti‑coagulant and fitted with an integral donor …

Section XVI > Chapter 85 > Heading 8504

Explanatory notes

… ‑ Ballasts for discharge lamps or tubes               ‑ Liquid dielectric transformers : 8504.21 ‑ ‑  Having a power … laminated iron cores, although in some cases (e.g., radio‑frequency transformers) there may be no magnetic core, or … step up voltages or currents to the level of the connected equipment, e.g., measuring instruments, electricity meters …

Section VI > Chapter 29 > Heading 2915

Explanatory notes

… . Sulphonic acids, which contain the group (–SO 3 H) are quite different from carboxylic acids; they are classified …

Section II > Chapter 13 > Heading 1302

Explanatory notes

… and bark of various plants of the Strychnos family. (11) Quassia amara extract, obtained from the wood of the shrub … ( Simaroubaceae family), which grows in South America.     Quassin, the principal bitter extract of the wood of the … or to obtain a standard strength (for instance, certain quantities of starch are added to opium in order to obtain a …

Section VI > Chapter 28 > Heading 2827

Section VI > Chapter 29 > Heading 2936

Explanatory notes

… A and D in various proportions, to which an additional quantity of vitamin A or D has been added subsequently. … substances (e.g., silicic acid), provided that the quantity added or the processing in no case exceeds that …

Section VI > Chapter 38 > Heading 3825

Explanatory notes

… 3825.49 - - Other 3825.50 - Wastes of metal pickling liquors, hydraulic fluids, brake fluids and anti-freeze … feeds. (3)         Ammoniacal gas liquors , produced as an aqueous portion settling out from the crude coal tar … it contains a mixture of sulphur, Prussian blue, a small quantity of ammonium salts and other substances, and is …

Section VI > Chapter 34 > Heading 3402

Explanatory notes

… impurities resulting from the manufacturing process, small quantities of fatty alcohols, alkylates or other hydrophobic … activity. Examples are : salts of fatty amines and of quaternary ammonium bases. (3)         Non-ionic , in which … (Solutions of soap in water, which may have a small quantity (generally not exceeding 5 %) of alcohol or …

Section VI > Chapter 28 > Heading 2812

Explanatory notes

… from direct action of chlorine on iodine. Dark brown liquid above 27 °C; below that temperature, reddish … is the commercial sulphur chloride, a yellow or reddish liquid, giving off fumes of a suffocating odour when exposed … (SCl 2 ). Prepared from monochloride. Reddish‑brown liquid, also decomposed by water; rather unstable. Specific …

Section XVI > Chapter 85 > Heading 8516

Explanatory notes

… to a fuel‑heated hot water system; they are often equipped with a thermostatic control to operate them … use, are generally used in tanks, vats, etc., for heating liquids, semi-fluid (other than solid) substances or gases.  … are classified as parts of the machines or apparatus in question (e.g., base plates for smoothing irons and plates …