Harmonized System

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Section X > Chapter 47 > Heading 4704

Explanatory notes

… “sulphite” chemicals, such as calcium bisulphite (calcium hydrogen sulphite), magnesium bisulphite (magnesium hydrogen sulphite), sodium bisulphite (sodium hydrogen sulphite), ammonium bisulphite (ammonium hydrogen

Section VI > Chapter 29 > Heading 2926

Explanatory notes

… compounds. 2926.10 - Acrylonitrile 2926.20 - 1-Cyanoguanidine (dicyandiamide) 2926.30 - Fenproporex (INN) … RC º N in which R is an alkyl or aryl radical or sometimes nitrogen. Mono-, di-, or tri-nitriles contain one, two or three cyanogen radicals (–CN) per molecule, respectively. The …

Section XIII > Chapter 70 > Heading 7019

Explanatory notes

… ); after forming, those continuous filaments are held together in a strand (a process also called "sizing") … bonded mats the strands are stitched or needled together. Glass strands retain their shape in the form of … strands) or uncut (mats of continuous thread) and are held together by means of a binder. They retain their shape in …

Section VI > Chapter 38 > Heading 3825

Explanatory notes

… waste               - Waste organic solvents : 3825.41 - - Halogenated 3825.49 - - Other 3825.50 - Wastes of metal … purified by passing it through a mass usually composed of bog iron ore or of hydrated iron(III)oxide, sawdust and … This mass removes from the gas certain impurities (hydrogen sulphide, hydrocyanic acid, etc.). When spent, it …

Section V > Chapter 25 > Heading 2530

Explanatory notes

… ‑ Other (A) EARTH COLOURS, WHETHER OR NOT CALCINED OR MIXED TOGETHER; NATURAL MICACEOUS IRON OXIDES The colours … (4)   Black earths and natural vandyke brown (Cassel and Cologne earths). Soluble vandyke brown is a prepared pigment …

Section XVIII > Chapter 90 > Heading 9013

Explanatory notes

… are classified in this heading provided they are presented together.        Lasers are classified in this heading not …