Harmonized System
Section VI > Chapter 28 > Heading 2814
… Ammonia, anhydrous or in aqueous solution. …
Explanatory notes
… react with acids to form salts. In the liquid state or in solution, they are electrolytes giving a metal or an analogous … 26.18 to 26.20 ). ( c) Oxides , peroxides and hydroxides of precious metals ( heading 28.43 ), of radioactive elements ( …Section V > Chapter 26 > Heading 2616
… Precious metal ores and concentrates. …
Explanatory notes
… 26.16 ‑ P recious metal ores and concentrates. 2616.10 ‑ Silver ores … (c) Cerargyrites (or horn silver), silver chlorides and iodides. (d) Polybasite, sulphide of silver and antimony. …Section VI > Chapter 33 > Heading 3305
Explanatory notes
… soap or other organic surface-active agents that have additional uses as a liquid soap, skin cleaning preparation …Section XVIII > Chapter 90
… Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; …
Explanatory notes
… photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; … support bandages, supports for joints or muscles) (Section XI); (c) Refractory goods of … worked, of heading 70.09, or mirrors of base metal or of precious metal, not being optical elements (heading 83.06 or …Legal note
… support bandages, supports for joints or muscles) (Section XI); (c) Refractory goods of … worked, of heading 70.09, or mirrors of base metal or of precious metal, not being optical elements (heading 83.06 or … machines and apparatus (including apparatus for the projection or drawing of circuit patterns on sensitised …Section VI > Chapter 28 > Heading 2811 > 2811.2 > 2811.22
… Silicon dioxide …
Classification opinions
… 1. Silica fume , composed of ultrafine amorphous silicon dioxide particles (not less than 80 % by weight), formed as … typically contains more than 90 % silica. Depending on the operational parameters, lower grades of silica are … Application of GIRs 1 (Note 1 (a) to Chapter 28) and 6. Adoption : 2018 … 2. Highly dispersed silicon dioxide in the …Section VI > Chapter 34 > Heading 3402 > 3402.4 > 3402.42
… Non-ionic …
Classification opinions
… 1. Polyols, having the character of non-ionic surfactants, used as surfactants and also for the … of polyurethane foams. Application of GIRs 1 and 6 Adoption : 1961 … 2. Polyols, having the character of non-ionic surfactants, obtained by the sequential addition of propylene and ethylene oxides to …Section X > Chapter 48 > Heading 4820
… forms, interleaved carbon sets and other articles of stationery, of paper or paperboard; albums for samples or for collections and book covers, of paper or paperboard. …