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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
Study period:
11/8/2016 - 11/8/2016
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:
Experimental test result following standard method.
Qualifier:
according to
Guideline:
other: as mentioned below
Principles of method if other than guideline:
The particle size distribution of test chemical was determined by granulometric analysis with rotap sieve shaker.
GLP compliance:
no
Type of method:
sieving
Type of distribution:
counted distribution
Key result
Percentile:
D50
Mean:
75 - 150 µm
Remarks on result:
other: other details not available
No.:
#1
Size:
150 µm
Distribution:
80.48 %
No.:
#2
Size:
106 µm
Distribution:
18.83 %
No.:
#3
Size:
75 µm
Distribution:
0.68 %

Table 1: Observation Table

Amount of test item weighed (g) =10.008 g        

Test item run time (min) =10 min

Sieve sizes(in microns)

Weight of petridishes (g)

Weight of petridishes +

test item (g)

Test item quantity retained after sieving (g)

Percentage (%) of test itemin each sieve*

150 microns

48.768

56.558

7.790

80.48%

106 microns

43.000

44.823

1.823

18.83%

75 microns

53.931

53.997

0.066

0.68%

53 microns

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---

---

25 microns

---

---

---

---

10 microns

 

---

---

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*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 chemical was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 75 micron.
Executive summary:

The particle size distribution of test item chemical was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 75 micron.

Description of key information

The particle size distribution of test item chemical was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 75 micron.

Additional information

The particle size distribution of test item chemical was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was found to be in the range of 150 micron to 75 micron.