Harmonized System

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Section V > Chapter 25 > Heading 2530

Explanatory notes

… is an arsenic disulphide, bright red in colour, used in pyrotechnics. (ii) Orpiment, which is an arsenic … bright yellow, used in paint‑making. Mispickel (arsenical pyrites or iron thioarsenide) is also included in this …

Section VII > Chapter 40 > Heading 4002

Explanatory notes

… ‑ ‑ Other 4002.60 ‑ Isoprene rubber (IR) 4002.70 ‑ Ethylene‑propylene‑non‑conjugated diene rubber (EPDM) 4002.80 ‑ … rubbers (NBR), isoprene rubbers (IR), ethylene‑propylene‑non‑conjugated diene rubbers (EPDM), carboxylated …

Section VI > Chapter 29 > Heading 2932

Section VI > Chapter 29 > Heading 2914

Explanatory notes

… R and R 1 stand for alkyl or aryl radicals (methyl, ethyl, propyl, phenyl, etc.). Ketones may have two tautomeric … of the dry distillation of wood (methyl alcohol and crude pyroligneous acid), but is mainly obtained by synthesis. …

Section VI > Chapter 28 > Heading 2804

Explanatory notes

… is used for the manufacture of match compounds, in pyrotechnics, or as a catalyst (e.g., in the chlorination of … of arsenic) is a solid extracted from natural arsenical pyrites. It exists in two main forms : (a)   Common, …

Section IV > Chapter 17 > Heading 1702

Explanatory notes

… usually a powder. It is obtained by more or less prolonged pyrogenation, at a temperature of 120 ‑ 180 °C, from sugars …

Section XI > Chapter 54

Section VI > Chapter 30 > Heading 3004

Explanatory notes

… bactericidal or germicidal properties. (2)  Poly(vinyl pyrrolidone)-iodine, being a reaction product of iodine and poly(vinyl pyrrolidone). (3)  Bone graft substitutes, such as those …

Section XVIII > Chapter 90 > Heading 9024

Explanatory notes

… imprint is then measured with a microscope. (2) The diamond pyramid indentation test . This test may be made by the … . A small hammer (usually tipped with a diamond pyramid) is released from a pre‑determined height on to the …

Section VI > Chapter 30 > Heading 3006

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