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Physical & Chemical properties

Particle size distribution (Granulometry)

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Reference
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:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Justification for type of information:
data from experimental reports using standard method of analysis
Qualifier:
according to guideline
Guideline:
other: as mentioned below
Principles of method if other than guideline:
The particle size distribution of test test item Potassium hydrogen phthalate (CAS No. 877-24-7 ) was determined by granulometric analysis with rotap sieve shaker.
GLP compliance:
not specified
Type of method:
sieving
Type of distribution:
counted distribution
Specific details on test material used for the study:
Name of test material (as cited in study report): Potassium hydrogen phthalate
- Molecular formula: C8H5O4.K
- Molecular weight (if other than submission substance): 204.23 g/mole
InChI: 1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1
Smiles: c1(c(cccc1)C(=O)[O-])C(O)=O.[K+]
Substance Type: Organic
Physical State: Solid
Key result
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
No.:
#1
Size:
150 µm
Distribution:
86.58 %
Remarks on result:
other: no other details mentioned
No.:
#2
Size:
106 µm
Distribution:
9.46 %
Remarks on result:
other: no other details mentioned
No.:
#3
Size:
75 µm
Distribution:
3.15 %
Remarks on result:
other: no other details mentioned
No.:
#4
Size:
53 µm
Distribution:
0.27 %
Remarks on result:
other: no other details mentioned
No.:
#5
Size:
25 µm
Distribution:
0.52 %
Remarks on result:
other: no other details mentioned

Table 1: Observation Table

Amount of test item weighed (g) =10.007 g      

Method run time (min) =10 min

Sieve sizes(in microns)

Weight of petridishes +

test item (g)

Test item quantity retained after sieving (g)

Percentage (%) of test item*
 150 microns  56.169 8.619 86.58
 106 microns   45.463 0.942  9.46
75 microns   37.609 0.314  3.15
 53 microns  44.549 0.027  0.27
 25 microns  43.949 0.052  0.52

*Percentage of test item =   Test item retained on each sieve after sieving X 100

                                                   Total amount of test item retained on sieve

Conclusions:
The particle size distribution of test test item Potassium hydrogen phthalate (CAS No. 877-24-7 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 25 micron.
Executive summary:

The particle size distribution of test test item Potassium hydrogen phthalate (CAS No. 877-24-7 ) wasdetermined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 25 micron.

Description of key information

The particle size distribution of test test item Potassium hydrogen phthalate (CAS No. 877-24-7 ) wasdetermined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 25 micron.

Additional information

The particle size distribution of test test item Potassium hydrogen phthalate (CAS No. 877-24-7 ) wasdetermined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 25 micron.