|  | 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

|  | C10 |
PETROLEUM, GAS AND COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT

|  | C10L |
FUELS NOT OTHERWISE PROVIDED FOR (fuels for generating pressure gas, e.g. for rockets, Fulltext... Hierarchy... Expanded...C06D 5/00; candles Fulltext... Hierarchy... Expanded...C11C; nuclear fuel Fulltext... Hierarchy... Expanded...G21C 3/00); ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS

|  | C10L 1/00 |
Liquid carbonaceous fuels

|  | C10L 1/02 |
· | essentially based on components consisting of carbon, hydrogen, and oxygen only

|  | C10L 1/04 |
· | essentially based on blends of hydrocarbons

|  | C10L 1/06 |
· · | for spark ignition

|  | C10L 1/08 |
· · | for compression ignition

|  | C10L 1/10 |
· | containing additives

|  | C10L 1/10 |
Note(s) A compound is always classified in the last appropriate place. A metal salt or an ammonium salt of a compound is classified as that compound, e.g. a chromium sulphonate is classified as a sulphonate in group Fulltext... Hierarchy... Expanded...C10L 1/24 and not in group Fulltext... Hierarchy... Expanded...C10L 1/30.

|  | C10L 1/12 |
· · | inorganic compounds

|  | C10L 1/14 |
· · | organic compounds

|  | C10L 1/16 |
· · · | hydrocarbons

|  | C10L 1/18 |
· · · | containing oxygen

|  | C10L 1/20 |
· · · | containing halogen

|  | C10L 1/22 |
· · · | containing nitrogen

|  | C10L 1/24 |
· · · | containing sulphur, selenium or tellurium

|  | C10L 1/26 |
· · · | containing phosphorus

|  | C10L 1/28 |
· · · | containing silicon

|  | C10L 1/30 |
· · · | containing elements not mentioned before

|  | C10L 1/32 |
· | consisting of coal-oil suspensions or aqueous emulsions

|  | C10L 3/00 |
Gaseous fuels

|  | C10L 3/02 |
· | Compositions containing acetylene

|  | C10L 3/04 |
· · | Absorbing compositions, e.g. solvents

|  | C10L 5/00 |
Solid fuels (produced by solidifying fluid fuels Fulltext... Hierarchy... Expanded...C10L 7/00)

|  | C10L 5/02 |
· | Briquettes consisting mainly of carbonaceous materials of mineral origin (peat briquettes Fulltext... Hierarchy... Expanded...C10F)

|  | C10L 5/04 |
· · | Raw material to be used; Pretreatment thereof

|  | C10L 5/06 |
· · | Briquetting processes (briquetting presses Fulltext... Hierarchy... Expanded...B30B 11/00)

|  | C10L 5/08 |
· · · | without the aid of extraneous binders (briquetting peat Fulltext... Hierarchy... Expanded...C10F)

|  | C10L 5/10 |
· · · | with the aid of binders, e.g. pretreated binders

|  | C10L 5/12 |
· · · · | with inorganic binders

|  | C10L 5/14 |
· · · · | with organic binders

|  | C10L 5/16 |
· · · · · | with bituminous binders, e.g. tar, pitch

|  | C10L 5/18 |
· · · · · | with naphthalene

|  | C10L 5/20 |
· · · · · | with sulphite lye

|  | C10L 5/22 |
· · · · | Methods of applying the binder to the other compounding ingredients; Apparatus therefor

|  | C10L 5/24 |
· · | Combating dust during briquetting; Safety devices against explosion

|  | C10L 5/26 |
· · | After-treatment of the briquettes

|  | C10L 5/28 |
· · · | Heating the briquettes; Coking the binders

|  | C10L 5/30 |
· · · | Cooling the briquettes

|  | C10L 5/32 |
· · · | Coating

|  | C10L 5/34 |
· · | Other details of the briquettes

|  | C10L 5/36 |
· · · | Shape

|  | C10L 5/38 |
· · · · | Briquettes consisting of different layers

|  | C10L 5/40 |
· | essentially based on materials of non-mineral origin

|  | C10L 5/42 |
· · | on animal substances or products obtained therefrom

|  | C10L 5/44 |
· · | on vegetable substances

|  | C10L 5/46 |
· · | on sewage, house, or town refuse

|  | C10L 5/48 |
· · | on industrial residues and waste materials

|  | C10L 7/00 |
Fuels produced by solidifying fluid fuels

|  | C10L 7/02 |
· | liquid fuels (greases Fulltext... Hierarchy... Expanded...C10M)

|  | C10L 7/04 |
· · | alcohol

|  | C10L 9/00 |
Treating solid fuels to improve their combustion

|  | C10L 9/02 |
· | by chemical means

|  | C10L 9/04 |
· · | by hydrogenating

|  | C10L 9/06 |
· · | by oxidation

|  | C10L 9/08 |
· | by heat treatments, e.g. calcining

|  | C10L 9/10 |
· | by using additives

|  | C10L 9/12 |
· · | oxidation means, e.g. oxygen-generating compounds

|  | C10L 10/00 |
Adding materials to fuels or fires to reduce smoke or undesirable deposits or to facilitate soot removal

|  | C10L 10/02 |
· | to reduce smoke development

|  | C10L 10/04 |
· | to minimise corrosion or incrustation

|  | C10L 10/06 |
· | to facilitate soot removal

|  | C10L 11/00 |
Firelighters

|  | C10L 11/02 |
· | based on refractory porous bodies

|  | C10L 11/04 |
· | consisting of combustible material (matches Fulltext... Hierarchy... Expanded...C06F)

|  | C10L 11/06 |
· | of a special shape

|  | C10L 11/08 |
· | Apparatus for the manufacture thereof