Harmonized System

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Section VI > Chapter 29 > Heading 2921

Section VI > Chapter 28 > Heading 2811

Explanatory notes

… flasks. Its uses include etching on glass, manufacturing ashless filter paper, preparation of tantalum, of fluorides, … lead, for preparing fluorosilicates, etc. (B) COMPOUNDS OF CHLORINE The most important of these compounds are powerful oxidising and chlorinating agents, used in bleaching and in organic …

Section VI > Chapter 29 > Heading 2935

Section VI > Chapter 28 > Heading 2852

Explanatory notes

… paints or mercury salts, and as catalysts. (2) Mercury chlorides . (a) Mercurous chloride (calomel) (Hg 2 Cl 2 ). … the porcelain industry, etc. (b) Mercuric chloride (mercury dichloride, corrosive sublimate) (HgCl 2 ). Crystallises in …

Section VI > Chapter 38 > Heading 3822

Explanatory notes

… constituent material. D. Reagents for the determination of HLA properties (HLA antigens) fall in this heading; they must be directly … of the test subject for the determination of the HLA antigens. The HLA antigens of the test subject may be …

Section VI > Chapter 28 > Heading 2853

Explanatory notes

… other than amalgams of precious metals. 2853.10 ‑ Cyanogen chloride (chlorcyan) 2853.90 ‑ Other (A) PHOSPHIDES, WHETHER OR NOT … Cyanogen and halogen compounds of cyanogen , e.g., cyanogen chloride (chlorcyan) (CNCl) cyanamide and its metal …

Section VI > Chapter 29 > Heading 2915

Explanatory notes

… group (–C(O)OC(O)–). (B) ACID HALIDES The halides (e.g., chlorides and bromides) of acids have the general formula … i.e., they are represented by acyl radicals combined with chlorine, bromine or other halogens. (C) ACID PEROXIDES Acid …

Section VI > Chapter 29 > Heading 2908

Explanatory notes

… halogen substituents and their salts : 2908.11 - - Pentachlorophenol (ISO) 2908.19 - - Other               - Other …

Section VI > Chapter 38 > Heading 3808

Explanatory notes

… otherwise fall in Chapter 29, e.g., naphthalene, or 1,4‑dichlorobenzene.         The heading also includes the …

Section VI > Chapter 29 > Heading 2941

Explanatory notes

… and their derivatives; salts thereof 2941.40 - Chloramphenicol and its derivatives; salts thereof 2941.50 - … Natural antibiotics reproduced by synthesis (e.g., chloramphenicol); and Certain synthetic antimicrobial … chlortetracycline (INN), oxytetracycline (INN)*.  (4)    Chloramphenicol  and its derivatives, e.g., thiamphenicol …