Titanium tungsten carbide

Particle size distribution (Granulometry)

Administrative data

Endpoint:

particle size distribution (granulometry)

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2017

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

ISO 13320 (Particle size analysis - Laser diffraction methods)

GLP compliance:

no

Type of method:

Laser scattering/diffraction

Type of particle tested:

primary particle

Type of distribution:

volumetric distribution

Test material

Test material information

Constituent 1

Reference substance name:

Titanium tungsten carbide

EC Number:

254-435-8

EC Name:

Titanium tungsten carbide

Cas Number:

39377-63-4

Molecular formula:

(W,Ti)C

IUPAC Name:

Titanium tungsten carbide

Test material form:

solid: particulate/powder

Results and discussion

Particle size

Particle size 1

Key result

Percentile:

D10

Mean:

>= 2.54 µm

St. dev.:

0.1

Particle size 2

Key result

Percentile:

D50

Mean:

>= 4.59 µm

St. dev.:

0.5

Particle size 3

Key result

Percentile:

D90

Mean:

>= 8.85 µm

St. dev.:

0.9

Applicant's summary and conclusion

Conclusions:

Parameter
Analytical result and conclusion
Cumulative distribution
1)d(0.10) :2.54 μm
2)d(0.50) : 4.59 μm
3)d(0.90) :8.85 μm
Average particle size in surface area
D [3,2]: 4.20 μm
Average particle size in volume
D [4,3]: 5.25 μm