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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 is from experimental study report
Qualifier:
according to guideline
Guideline:
other: IS: 2720 (Part 4)–1985 (Reaffirmed 2006)
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 particle tested:
primary particle
Type of distribution:
mass based distribution
Key result
Percentile:
D50
Mean:
> 150 µm
Remarks on result:
other: Mass median diameter
No.:
#1
Size:
> 150 µm
Distribution:
100 %

OBSERVATION TABLE:

Amount of sample weighed (g) =10.008 gm

Method run time (minutes) = 5 min

Sieve sizes(in microns)

Weight of container + test substance (g)

Sample quantity retained after sieving (g)

Percentage (%) of sample*

150 microns

57.856

9.965

100.0

106 microns

-

-

-

75 microns

-

-

-

53 microns

-

-

-

25 microns

-

-

-

10 microns

-

-

-

CALCULATIONS:

The particle size distribution of the test chemical is calculated using the formula:

Total amount of test chemical lost after sieving = (Original test chemical taken - Total test chemical retained after sieving)

% of test chemical = Test chemical retained after sieving (g)/ Total test chemical retained after sieving (g) X 100

Conclusions:
The particle size distribution of test chemical was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be > 150 micron.
Executive summary:

The particle size distribution of test chemical was determined by granulometric analysis with rotap sieve shaker. The study was conducted in accordance with OECD guideline 110 and according to Adapted from IS: 2720 (Part 4)–1985 (Reaffirmed 2006); “Indian Standard METHODS OF TEST FOR SOILS, PART 4 GRAIN SIZE ANALYSES.” The particle size distribution was determined to be more than 150 micron .

Description of key information

The particle size distribution of test chemical was determined by granulometric analysis with rotap sieve shaker. The study was conducted in accordance with OECD guideline 110 and according to Adapted from IS: 2720 (Part 4)–1985 (Reaffirmed 2006); “Indian Standard METHODS OF TEST FOR SOILS, PART 4 GRAIN SIZE ANALYSES.” The particle size distribution was determined to be more than 150 micron .

Additional information

The particle size distribution of test chemical was determined by granulometric analysis with rotap sieve shaker. The study was conducted in accordance with OECD guideline 110 and according to Adapted from IS: 2720 (Part 4)–1985 (Reaffirmed 2006); “Indian Standard METHODS OF TEST FOR SOILS, PART 4 GRAIN SIZE ANALYSES.” The particle size distribution was determined to be more than 150 micron .