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
 C09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
 C09F
NATURAL RESINS; FRENCH POLISH; DRYING-OILS; DRIERS (SICCATIVES); TURPENTINE
 C09F 1/00
Obtaining, purification, or chemical modification of natural resins, e.g. oleo-resins
 C09F 1/02
·  Purification
 C09F 1/04
·  Chemical modification, e.g. esterification (resin soaps C11D)
 C09F 3/00
Obtaining spirits of turpentine
 C09F 3/02
·  as a by-product in the paper-pulping process
 C09F 5/00
Obtaining drying-oils (preparation of synthetic oil by polymerisation C08F, C08G)
 C09F 5/02
·  from natural sources
 C09F 5/04
·  ·  from cashew nuts
 C09F 5/06
·  by dehydration of hydroxylated fatty acids or oils
 C09F 5/08
·  by esterification of fatty acids
 C09F 5/10
·  Refining
 C09F 5/12
·  ·  by distillation
 C09F 7/00
Chemical modification of drying-oils (modifying by copolymerisation C08F; by polycondensation C08G; factice C08H)
 C09F 7/02
·  by oxidising
 C09F 7/04
·  by voltolising
 C09F 7/06
·  by polymerisation
 C09F 7/08
·  by isomerisation
 C09F 7/10
·  by re-esterification
 C09F 7/12
·  Apparatus therefor
 C09F 9/00
Compounds to be used as driers (siccatives)
 C09F 11/00
Preparation of French polish