Harmonized System

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Section VI > Chapter 37

Explanatory notes

… 1,300 nanometers in the electromagnetic spectrum (including gamma-rays, X-rays, ultra-violet and near-infrared … plates or heat sensitive plates. The most common emulsions are based on silver halides (silver … or other iron compounds for blue-prints, potassium or ammonium dichromate for photomechanical engraving, diazonium …

Section X > Chapter 48

Section VI > Chapter 35 > Heading 3504

Explanatory notes

… presented unchromed requiring addition of the chrome alum immediately prior to use.  Hide powder so treated must not …

Section XVI > Chapter 84 > Heading 8458

Explanatory notes

… or axle turning machines , for turning simultaneously and symmetrically the two ends of the spindles or axles of large … tool or workpiece must be performed according to pre-programmed instructions.  The programming is normally executed in an NC-specific language, …

Section VI > Chapter 28 > Heading 2846

Explanatory notes

… and as a catalyst in the manufacture of nitric acid and ammonia. There is also a ceric hydroxide. Cerous oxide and … (Ce(NO 3 ) 3 ) is used in the manufacture of gas‑mantles. Ammonium ceric nitrate appears in the form of red crystals. … (ytterbia) and of oxides of other rare‑earth metals of commerce are reasonably pure. The heading includes mixtures …

Section III > Chapter 15 > Heading 1501

Explanatory notes

… by rendering, pressing or solvent-extraction.  The most commonly used processes are wet rendering (steam or … other animal waste or residues (tongue parings, paunches, trimming, etc.) or greases obtained from the trimming or cleaning of skins. They generally have the …