C
SECTION C — CHEMISTRY; METALLURGY
 C

Note(s)

In section C, the definitions of groups of chemical elements are as follows:

  • Alkali metals: Li, Na, K, Rb, Cs, Fr
  • Alkaline earth metals: Ca, Sr, Ba, Ra
  • Lanthanides: elements with atomic numbers 57 to 71 inclusive
  • Rare earths: Sc, Y, Lanthanides
  • Actinides: elements with atomic numbers 89 to 103 inclusive
  • Refractory metals: Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
  • Halogens: F, Cl, Br, I, At
  • Noble gases: He, Ne, Ar, Kr, Xe, Rn
  • Platinum group: Os, Ir, Pt, Ru, Rh, Pd
  • Noble metals: Ag, Au, Platinum group
  • Light metals: alkali metals, alkaline earth metals, Be, Al, Mg
  • Heavy metals: metals other than light metals
  • Iron group: Fe, Co, Ni
  • Non-metals: H, B, C, Si, N, P, O, S, Se, Te, noble gases, halogens
  • Metals: elements other than non-metals
  • Transition elements: elements with atomic numbers 21 to 30 inclusive, 39 to 48 inclusive, 57 to 80 inclusive, 89 upwards

  
CHEMISTRY
 C13
SUGAR INDUSTRY (polysaccharides, e.g. starch, derivatives thereof C08B; malt C12C)  [4]
 C13F
PREPARATION OR PROCESSING OF RAW SUGAR, SUGAR, OR SYRUP
 C13F 1/00
Thickening, evaporating, or boiling sugar juice (boiling apparatus B01B; evaporators B01D; centrifuges B04B)
 C13F 1/02
·  Crystallisation; Crystallising apparatus
 C13F 1/04
·  Separating crystals from mother liquors
 C13F 1/06
·  ·  by centrifugal force
 C13F 1/08
·  ·  Washing residual mother liquor from crystals
 C13F 1/10
·  ·  ·  in centrifuges
 C13F 1/12
·  ·  Recycling mother liquor or wash liquors
 C13F 1/14
·  ·  Dissolving or refining raw sugar
 C13F 3/00
Miscellaneous sugar products, e.g. powdered, lump, or liquid sugar; Working-up of sugar (C13F 5/00, C13H take precedence; sweetmeats A23G 3/00; carbohydrate syrups as foods A23L 1/09; glucose-containing syrups, in general C13K 1/00)  [3]
 C13F 3/02
·  formed by moulding sugar
 C13F 5/00
Drying sugar (storing sugar B65)