A mixture of: pentasodium 7-amino-3-[[4-[[4-[[4-[[4-[(6-amino-1-hydroxy-3-sulfonato-2-naphthyl)azo]7-sulfonato-1-naphthyl]azo]phenyl]amino]-3-sulfonatophenyl]azo]6-sulfonato-1-naphthyl]azo]-4-hydroxynaphthalen-2-sulfonate; a mixture of: pentasodium 7-amino-8-[4-[4-[4-[4-(2-amino-5-hydroxy-7-sulfonato-naphthalen-1-ylazo)-7-sulfonatonaphthalen-1-ylazo]-phenylamino]-3-sulfonato-phenylazo]-6-sulfonato-naphthalen-1-ylazo]-4-hydroxy-naphthalene-2-sulfonate and pentasodium 7-amino-8-[4-[4-[4-[4-(6-amino-1-hydroxy-3-sulfonato-naphthalen-1-ylazo)-7-sulfonatonaphthalen-1-ylazo]-phenylamino]-3-sulfonato-phenylazo]-6-sulfonato-naphthalen-1-ylazo]-4-hydroxy-naphthalene-2-sulfonate; tetrasodium 7-amino-4-hydroxy-3-[4-[4-[4-(4-hydroxy-7-sulfonato-naphthalen-1-ylazo)-2-sulfonato-phenylamino]phenylazo]-6-sulfonato-naphthalen-1-ylazo]naphthalene-2-sulfonate; tetrasodium 7-amino-4-hydroxy-3-[4-[4-[4-(4-amino-7-sulfonato-naphthalen-1-ylazo)-2-sulfonato-phenylamino]phenylazo]-6-sulfonato-naphthalen-1-ylazo]naphthalene-2-sulfonate

Particle size distribution (Granulometry)

Link to relevant study record(s)

Reference

Endpoint:

particle size distribution (granulometry)

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2019

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

documentation insufficient for assessment

Justification for type of information:

Tests were carried out using sieves with precise mesh sizes.
no guideline was followed

Qualifier:

equivalent or similar to guideline

Guideline:

other: Sieve with appropriate Mesh size

Principles of method if other than guideline:

Tests were carried out using sieves with precise mesh sizes.

GLP compliance:

no

Type of method:

sedimentation (gravitational settling)

Type of particle tested:

aggregate

Type of distribution:

mass based distribution

Mass median aerodynamic diameter:

> 10 - < 200 µm

Percentile:

D10

Mean:

< 30 µm

St. dev.:

0

Remarks on result:

other: single measure

Percentile:

D50

Mean:

< 63 µm

St. dev.:

0

Remarks on result:

other: single measure

Percentile:

D90

Mean:

< 125 µm

St. dev.:

0

Remarks on result:

other: single measure

D10 <30 µm

D50 < 63 µm

D90 < 125 µm

Conclusions:

The substance particle size distribution was measured bu sieves and the results are:
D10 <30 µm
D50 < 63 µm
D90 < 125 µm

Description of key information

D10 <30 µm

D50 < 63 µm

D90 < 125 µm

Additional information

The substance particle size distribution was measured bu sieves and the results are:

   D10 <30 µm

   D50 < 63 µm

   D90 < 125 µm