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Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
GLP compliance:
no
Type of method:
sieving
Type of distribution:
mass based distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Trimorpholinophosphine oxide
EC Number:
224-662-7
EC Name:
Trimorpholinophosphine oxide
Cas Number:
4441-12-7
Molecular formula:
C12H24N3O4P
IUPAC Name:
trimorpholinophosphine oxide
Test material form:
solid

Results and discussion

Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
200 µm
Distribution:
ca. 10 %
No.:
#2
Size:
3 500 µm
Distribution:
ca. 50 %
No.:
#3
Size:
>= 10 000 µm
Distribution:
ca. 90 %

Any other information on results incl. tables

The particle size distribution was determined by dry sieving.

Table 1: Sieving analysis

 Mesh size (µm)  Range of particle size (µm)  Fraction (g)  Total (g)  Fraction (%)  Total (%)
 10000  >10000  54.25  54.25  21.88  21.88
 6300  6300 -10000  21.89  76.14  8.83  30.71
 4000  4000 -6300  36.28  112.42  14.63  45.34
 3350  3350 -4000  14.79  127.21  5.97  51.31
 2800  2800 -3350  15.79  143.00  6.37  57.68
 2000  2000 -2800  27.57  170.57  11.12  68.79
 1600  1600 -2000  15.35  185.92  6.19  74.99
 1000  1000 -1600  19.11  205.03  7.71  82.69
 800  800 -1000  1.39  206.42  0.45  83.25
 500  500 -800 0.81   207.23  0.33  83.58
 250  250 -500 2.33   209.56  0.94  84.52
 125  125 -250  27.12  236.68  10.94  95.46
 receiver plan  0 -125  11.15  247.83  4.50  99.96

Applicant's summary and conclusion

Conclusions:
L10 = 200 µm
L50 = 3500 µm
L90 > 10000 µm