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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:
This study was conducted on 16 March 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions) - Method B: Fibre Length and Diameter Distributions
GLP compliance:
not specified
Type of method:
sieving
Type of distribution:
mass based distribution
Specific details on test material used for the study:
Semicarbazide-HCl. Synonym: -. Chemical name: Semicarbazide hydrochloride. CAS No.: 563-41-7.
Testing sample:
Semicarbazide-HCl, order No. from manufacturer: 55507861
No.:
#1
Size:
> 45 µm
Distribution:
12.3 %
No.:
#2
Size:
> 75 µm
Distribution:
68.1 %
No.:
#3
Size:
> 150 µm
Distribution:
11.3 %
No.:
#4
Size:
> 300 µm
Distribution:
0.3 %
No.:
#5
Size:
> 1 000 µm
Distribution:
0 %

 Sieve Size (µm)  On Seive (%)  Through Sieve (cumulative) (%)
 Bottom pan  8.0  -
 45  12.3  8.0
 75  68.1  20.3
 150  11.3  88.4
 300  0.3  99.7
 1000  0  100

Estimated from graph: 50%-point smaller than 100 gm

Conclusions:
The Granulometry of semicarbazide-HCl has been performed with conventional steel sieves and found to be 100 µm in average and 8 % of the mass is smaller than 45 µm.
Executive summary:

The Granulometry of semicarbazide-HCl has been performed with conventional steel sieves and found to be 100 µm in average and 8 % of the mass is smaller than 45 µm.

Description of key information

The Granulometry of semicarbazide-HCl has been performed with conventional steel sieves and found to be 100 µm in average and 8 % of the mass is smaller than 45 µm.

Additional information