C
SECTION C — CHEMISTRY AND METALLURGY
 C

Note(s)

Definitions for Section C:

  • 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 OR STARCH INDUSTRY (malt C12C)
 C13D
PRODUCTION AND PURIFICATION OF SUGAR JUICES
 C13D 1/00
Production of sugar, i.e. sucrose, juices
 C13D 1/02
·  Expressing juice from sugar cane or similar material, e.g. sorghum saccharatum
 C13D 1/04
·  ·  combined with imbibition
 C13D 1/06
·  ·  Sugar-cane crushers
 C13D 1/08
·  Extraction of sugar from sugar beet with water
 C13D 1/10
·  ·  continuous processes
 C13D 1/12
·  ·  Details of extraction apparatus, e.g. arrangements of pipes or valves
 C13D 1/14
·  using extracting agents other than water, e.g. alcohol or salt solutions
 C13D 3/00
Purification of sugar juices (mechanical separation of solids from liquids B01)
 C13D 3/02
·  using alkaline earth compounds
 C13D 3/04
·  ·  followed by saturation
 C13D 3/06
·  ·  ·  with carbon dioxide or sulphur dioxide
 C13D 3/08
·  by oxidation or reduction
 C13D 3/10
·  ·  using sulphur dioxide or sulphites
 C13D 3/12
·  using adsorption agents, e.g. active carbon
 C13D 3/14
·  using ion-exchange materials
 C13D 3/16
·  by physical means, e.g. osmosis
 C13D 3/18
·  by electrical means