Registration Dossier
Registration Dossier
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Reaction products of 4-Diazo-3,4-dihydro-7-nitro-3-oxo-1-naphthalenesulfonic acid coupled with 7-Amino-4-hydroxy-2-naphthalenesulfonic acid, subsequently chelated with Chromium(3+) and cobalt(3+), further mixed with reaction products of 2,4,6-Trichloro-1,3,5-triazine and Ethanol, 2-[(4-aminophenyl)sulfonyl]-, 1-(hydrogen sulfate), sodium salts
EC number: 948-044-8 | CAS number: -
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From July 31, 2019 to December 25, 2019
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- ISO 13320 (Particle size analysis - Laser diffraction methods)
- Type of method:
- Laser scattering/diffraction
- Type of distribution:
- volumetric distribution
- Key result
- Percentile:
- D50
- Mean:
- 49.1 µm
- St. dev.:
- 1.344
- Conclusions:
- According to ISO 13320:2009, the cumulative distribution of Everzol SR98 are d(0.10)=23.4μm, d(0.50)=49.1μm and d(0.90)=94.8μm, and the average particle size in surface area and volume of Everzol SR98 are 41.3μm and 54.8μm, separately.
- Executive summary:
This test using the procedures outlined in the ZRICI Study Plan for PCF2019-045-09 andISO 13320:2009.The obscuration value is out of 0.5%~6%, conforms to the requirement for testing.The determination result can be considered valid.Cumulative distribution of Everzol SR98 are d(0.10)=23.4μm, d(0.50)=49.1μmand d(0.90)=94.8μm. Average particle size in surface area and volume of Everzol SR98 are 41.3μm and 54.8μm, separately.
Reference
Obscuration value: 2.46%
Table 1. Cumulative distribution of the Particle size
Cumulative |
Commom symbol |
d(0.10) |
d(0.50) |
d(0.90) |
Shown symbl |
Dv (10) |
Dv (50) |
Dv (90) |
|
Particle size |
23.4 μm |
49.1 μm |
94.8 μm |
|
Table 2. Average particle size
|
Symbol |
Result |
Average particle size in surface area |
D [3,2] |
41.3μm |
Average particle size in volume |
D [4,3] |
54.8μm |
Description of key information
The determination result can be considered valid. Cumulative distribution of Everzol SR98 are d(0.10)=23.4μm, d(0.50)=49.1μm and d(0.90)=94.8μm. Average particle size in surface area and volume of Everzol SR98 are 41.3μm and 54.8μm, separately. (ISO 13320:2009).
Additional information
The obscuration value is out of 0.5%~6%, conforms to the requirement for testing. The determination result can be considered valid.
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