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
 C11
ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES (edible oil or fat compositions A23)
 C11C
FATTY ACIDS FROM FATS, OILS, OR WAXES; CANDLES; FATS, OILS AND FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
 C11C 1/00
Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids (recovery of fatty acids from waste materials C11B 13/00)
 C11C 1/02
·  from fats or fatty oils
 C11C 1/04
·  ·  by hydrolysis
 C11C 1/06
·  ·  ·  using solid catalysts
 C11C 1/08
·  Refining
 C11C 1/10
·  ·  by distillation
 C11C 3/00
Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom (sulphonated fats or fatty oils C07C 143/90; factice C08H; drying-oils C09F)
 C11C 3/02
·  by esterification of fatty acids with glycerol
 C11C 3/04
·  by esterification of fats or fatty oils
 C11C 3/06
·  ·  with glycerol
 C11C 3/08
·  ·  with fatty acids
 C11C 3/10
·  ·  Ester interchange
 C11C 3/12
·  by hydrogenation
 C11C 3/14
·  by isomerisation
 C11C 5/00
Candles
 C11C 5/02
·  Apparatus for preparation thereof