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EC number: 914-100-5 | CAS number: -
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- May 11th, 2010 to July 28th, 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline study (no GLP) in compliance with the european method R CE2003/2003-4
Data source
Referenceopen allclose all
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: R CE2003/2003-4
- GLP compliance:
- no
Test material
- Reference substance name:
- calcium dipotassium disodium trisulfate
- EC Number:
- 914-100-5
- Molecular formula:
- K2SO4,Na2SO4,CaSO4
- IUPAC Name:
- calcium dipotassium disodium trisulfate
Constituent 1
Results and discussion
pH valueopen allclose all
- pH value:
- 6.7
- Temp.:
- 21.6 °C
- Concentration:
- 10 vol%
- Remarks on result:
- other: sample: RN10-07299.003
- pH value:
- 6.2
- Temp.:
- 22.05 °C
- Concentration:
- 10 vol%
- Remarks on result:
- other: sample: RN10-07299.004
- pH value:
- 5.2
- Temp.:
- 22.1 °C
- Concentration:
- 10 vol%
- Remarks on result:
- other: sample: RN10-07299.005
- pH value:
- 5.9
- Temp.:
- 21.9 °C
- Concentration:
- 10 vol%
- Remarks on result:
- other: sample: RN10-07299.006
Any other information on results incl. tables
For each samples two assays were performed. The pH is the average of the two measurements.
| sample n°: RN10-07299.003 | |||||
| Assay | Sample taken (g) | Concentration of solution (%) | Temperature (°C) | pH | Average pH |
| 1 | 1.0438 | 10 | 21.8 | 6.80 | 6.7 |
| 2 | 0.9853 | 10 | 21.4 | 6.68 | |
| sample n°: RN10-07299.004 | |||||
| Assay | Sample taken (g) | Concentration of solution (%) | Temperature (°C) | pH | Average pH |
| 1 | 1.0465 | 10 | 21.6 | 6.13 | 6.2 |
| 2 | 0.9965 | 10 | 22.5 | 6.16 | |
| sample n°: RN10-07299.005 | |||||
| Assay | Sample taken (g) | Concentration of solution (%) | Temperature (°C) | pH | Average pH |
| 1 | 1.0781 | 10 | 21.9 | 5.21 | 5.2 |
| 2 | 1.0006 | 10 | 22.3 | 5.22 | |
| sample n°: RN10-07299.006 | |||||
| Assay | Sample taken (g) | Concentration of solution (%) | Temperature (°C) | pH | Average pH |
| 1 | 1.0068 | 10 | 21.9 | 5.91 | 5.9 |
| 2 | 1.0315 | 10 | 21.9 | 5.80 | |
Applicant's summary and conclusion
- Conclusions:
- pH of potassic extracts is slightly acid. it is between 5,2 and 6,7.
- Executive summary:
The pH of four samples of potassic extracts was carried out according to the EU uropean method R CE2003/2003-4. The pH of the four samples is between 5,2 and 6,7.
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