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]
 C13D
PRODUCTION OR 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