C01P

INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS

This subclass constitutes an internal scheme for indexing only.

The indexing scheme is used to identify structural and physical aspects of solid inorganic compounds, already classified in class C01 or subclass C09C.

C01P2002/00

Crystal-structural characteristics

C01P2002/01

depicted by a TEM-image

C01P2002/02

Amorphous compounds

C01P2002/04

Compounds with a limited amount of crystallinty, e.g. as indicated by a crystallinity index

C01P2002/08

Intercalated structures, i.e. with atoms or molecules intercalated in their structure

C01P2002/10

One-dimensional structures

C01P2002/20

Two-dimensional structures

C01P2002/22

layered hydroxide-type, e.g. of the hydrotalcite-type

C01P2002/30

Three-dimensional structures

C01P2002/32

spinel-type (AB₂O₄)

C01P2002/34

perovskite-type (ABO₃)

C01P2002/36

pyrochlore-type (A₂B₂O₇)

C01P2002/50

Solid solutions

C01P2002/52

containing elements as dopants

C01P2002/54

one element only

C01P2002/60

Compounds characterised by their crystallite size

C01P2002/70

defined by measured X-ray, neutron or electron diffraction data

C01P2002/72

by d-values or two theta-values, e.g. as X-ray diagram

C01P2002/74

by peak-intensities or a ratio thereof only

C01P2002/76

by a space-group or by other symmetry indications

C01P2002/77

by unit-cell parameters, atom positions or structure diagrams

C01P2002/78

by stacking-plane distances or stacking sequences

C01P2002/80

defined by measured data other than those specified in group C01P2002/70

C01P2002/82

by IR- or Raman-data

C01P2002/84

by UV- or VIS- data

C01P2002/85

by XPS, EDX or EDAX data

C01P2002/86

by NMR- or ESR-data

C01P2002/87

by chromatography data, e.g. HPLC, gas chromatography

C01P2002/88

by thermal analysis data, e.g. TGA, DTA, DSC

C01P2002/89

by mass-spectroscopy

C01P2002/90

Other crystal-structural characteristics not specified above

C01P2004/00

Particle morphology

C01P2004/01

depicted by an image

C01P2004/02

obtained by optical microscopy

C01P2004/03

obtained by SEM

C01P2004/04

obtained by TEM, STEM, STM or AFM

C01P2004/10

extending in one dimension, e.g. needle-like

C01P2004/11

with a prismatic shape

C01P2004/12

with a cylindrical shape

C01P2004/13

Nanotubes

C01P2004/133

Multiwall nanotubes

C01P2004/136

Nanoscrolls, i.e. tubes having a spiral section

C01P2004/16

Nanowires or nanorods, i.e. solid nanofibres with two nearly equal dimensions between 1-100 nanometer

C01P2004/17

Nanostrips, nanoribbons or nanobelts, i.e. solid nanofibres with two significantly differing dimensions between 1-100 nanometer

C01P2004/20

extending in two dimensions, e.g. plate-like

C01P2004/22

with a polygonal circumferential shape

C01P2004/24

Nanoplates, i.e. plate-like particles with a thickness from 1-100 nanometer

C01P2004/30

extending in three dimensions

C01P2004/32

Spheres

C01P2004/34

hollow

C01P2004/36

fragmented

C01P2004/38

cube-like

C01P2004/39

parallelepiped-like

C01P2004/40

prism-like

C01P2004/41

octahedron-like

C01P2004/42

(bi)pyramid-like

C01P2004/45

Aggregated particles or particles with an intergrown morphology

C01P2004/50

Agglomerated particles

C01P2004/51

Particles with a specific particle size distribution

C01P2004/52

highly monodisperse size distribution

C01P2004/53

bimodal size distribution

C01P2004/54

Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension

C01P2004/60

Particles characterised by their size

C01P2004/61

Micrometer sized, i.e. from 1-100 micrometer

C01P2004/62

Submicrometer sized, i.e. from 0.1-1 micrometer

C01P2004/64

Nanometer sized, i.e. from 1-100 nanometer

C01P2004/80

Particles consisting of a mixture of two or more inorganic phases

C01P2004/82

two phases having the same anion, e.g. both oxidic phases

C01P2004/84

one phase coated with the other

C01P2004/86

Thin layer coatings, i.e. the coating thickness being less than 0.1 time the particle radius

C01P2004/88

Thick layer coatings

C01P2004/90

Other morphology not specified above

C01P2006/00

Physical properties of inorganic compounds

Compounds having molecular sieve properties are classified in C01B37/00, C01B39/00.

The following codes are only to be used for physical values deviating significantly from the average usual values.

C01P2006/10

Solid density

C01P2006/11

Powder tap density

C01P2006/12

Surface area

C01P2006/13

thermal stability thereof at high temperatures

C01P2006/14

Pore volume

C01P2006/16

Pore diameter

C01P2006/17

Pore diameter distribution

C01P2006/19

Oil-absorption capacity, e.g. DBP values

C01P2006/20

Powder free flowing behaviour

C01P2006/21

Attrition-index or crushing strength of granulates

C01P2006/22

Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability

C01P2006/32

Thermal properties

C01P2006/33

Phase transition temperatures

C01P2006/34

Melting temperatures

C01P2006/35

Boiling temperatures

C01P2006/36

Solid to solid transition temperatures

C01P2006/37

Stability against thermal decomposition

C01P2006/40

Electric properties

C01P2006/42

Magnetic properties

C01P2006/44

Alpha, beta or gamma radiation related properties

C01P2006/60

Optical properties, e.g. expressed in CIELAB-values

C01P2006/62

L* (lightness axis)

C01P2006/63

a* (red-green axis)

C01P2006/64

b* (yellow-blue axis)

C01P2006/65

Chroma (C*)

C01P2006/66

Hue (H*)

C01P2006/80

Compositional purity

C01P2006/82

water content

C01P2006/88

Isotope composition differing from the natural occurrence

C01P2006/90

Other properties not specified above