Harmonized System

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Section VI > Chapter 29 > Heading 2922

… Oxygen-function amino-compounds. …

Explanatory notes

… 29.22 - Oxygen-function amino-compounds (+).               - … other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof : …

Section VI > Chapter 29 > Heading 2932

… Heterocyclic compounds with oxygen hetero-atom(s) only. …

Explanatory notes

… 29.32 - Heterocyclic compounds with oxygen hetero-atom(s) only (+).               - Compounds … . (C)   Other heterocyclic compounds with oxygen hetero-atom(s) only. This part includes, inter alia … containing an additional hetero-atom, other than the oxygen atom of a lactone group (e.g., dilactone), in the …

Section VI > Chapter 29 > Heading 2912

… Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; …

Explanatory notes

… COMPOUNDS 29.12 ‑ Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; …               ‑ Acyclic aldehydes without other oxygen function : 2912.11 ‑ ‑ Methanal (formaldehyde) … ‑ ‑ Other               ‑ Cyclic aldehydes without other oxygen function : 2912.21 ‑ ‑ Benzaldehyde 2912.29 ‑ ‑ Other …

Section VI > Chapter 28 > Heading 2811

… Other inorganic acids and other inorganic oxygen compounds of non-metals. …

Explanatory notes

… 28.11 ‑ Other inorganic acids and other inorganic oxygen compounds of non-metals.               ‑ Other … acid) 2811.19 ‑ ‑ Other               ‑ Other inorganic oxygen compounds of non‑metals : 2811.21 ‑ ‑ Carbon dioxide … In the anhydrous state, hydrogen fluoride is an extremely hygroscopic liquid (boiling point 18/20 °C); it fumes in a …

Section XIII > Chapter 70 > Heading 7017

… Laboratory, hygienic or pharmaceutical glassware, whether or not …

Explanatory notes

… 70.17 - Laboratory, hygienic or pharmaceutical glassware, whether or not … for determining molecular weights, etc. The expression “hygienic or pharmaceutical glassware” refers to articles of … made of ordinary glass (particularly for pharmaceutical or hygienic purposes), but laboratory glassware is frequently …

Section XVIII > Chapter 90 > Heading 9025

… floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any …

Explanatory notes

… floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any … thermographs record temperature (see Part (B) above). (D) HYGROMETERS AND HYGROGRAPHS These are used to determine the … the air or other gases. The main types are : (1)   Chemical hygrometers , based on absorption of moisture by chemical …

Section VI > Chapter 29 > Heading 2914

… Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, …

Explanatory notes

… 29.14 ‑ Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, … derivatives.               ‑ Acyclic ketones without other oxygen function : 2914.11 ‑ ‑ Acetone 2914.12 ‑ ‑ Butanone … ‑ Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function : 2914.22 ‑ ‑ Cyclohexanone and …

Section VI > Chapter 29 > Heading 2918

… Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and …

Explanatory notes

… 29.18  -       Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and … - Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, … - Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, …

Section XVIII > Chapter 90 > Heading 9019

… psychological aptitude-testing apparatus; ozone therapy, oxygen therapy, aerosol therapy, artificial respiration or …

Explanatory notes

… psychological aptitude‑testing apparatus; ozone therapy, oxygen therapy, aerosol therapy, artificial respiration or … aptitude‑testing apparatus 9019.20 ‑ Ozone therapy, oxygen therapy, aerosol therapy, artificial respiration or … of ozone (chemical formula O 3 ), e.g., by inhaling. (V) OXYGEN THERAPY, ARTIFICIAL RESPIRATION OR OTHER THERAPEUTIC …

Section VI > Chapter 29 > Heading 2911

… Acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, …

Explanatory notes

… 29.11 - Acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, … mono-ethers in which the carbon-atom adjacent to the ether-oxygen atom also bears a hydroxyl group. “Acetals and hemiacetals with other oxygen function” are acetals and hemiacetals containing one …