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Diss Factsheets
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EC number: 295-362-1 | CAS number: 92044-83-2
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
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Monitoring data
Administrative data
- Endpoint:
- monitoring data
- Type of information:
- other:
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
Data source
Reference
- Reference Type:
- other: Book (chapter)
- Title:
- The Oceans Their Physics, Chemistry, and General Biology; Chapter: Chemistry of Seawater
- Author:
- Sverdrup, H. U.
Johnson, M. W.
Fleming, R. H. - Year:
- 1 942
- Bibliographic source:
- Prentice-Hall, Inc., New York
Materials and methods
Results and discussion
Any other information on results incl. tables
DITTMAR'S VALUES FOR THE MAJOR CONSTITUENTS OF SEA WATER (Values in grams per kilogram, ‰) |
|||||||
Ion |
Original values |
Recalculated, 1940 atomic weights |
1940 values |
|
|||
Cl = 19 ‰ |
% |
Cl = 19 ‰ |
% |
Cl = 19 ‰ |
% |
|
|
C1− |
18.971 |
55.29 |
18.971 |
55.26 |
18.980 |
55.04 |
|
Br− |
0.065 |
0.19 |
0.065 |
0.19 |
0.065 |
0.19 |
|
SO4− |
2.639 |
7.69 |
2.635 |
7.68 |
2.649 |
7.68 |
|
CO3− |
0.071 |
0.21 |
0.071 |
0.21 |
…… |
…… |
|
HCO3− |
…… |
…… |
…… |
…… |
0.140 |
0.41 |
|
F− |
…… |
…… |
…… |
…… |
0.001 |
0.00 |
|
H3BO3 |
…… |
…… |
…… |
…… |
0.026 |
0.07 |
|
Mg++ |
1.278 |
3.72 |
1.292 |
3.76 |
1.272 |
3.69 |
|
Ca++ |
0.411 |
1.20 |
0.411 |
1.20 |
0.400 |
1.16 |
|
Sr++ |
0.013 |
0.04 |
|
||||
K+ |
0.379 |
1.10 |
0.385 |
1.12 |
0.380 |
1.10 |
|
Na+ |
10.497 |
30.59 |
10.498 |
30.58 |
10.556 |
30.61 |
|
Total |
34.311 |
34.328 |
34.482 |
|
Applicant's summary and conclusion
- Conclusions:
- The authors Sverdrup et al. (1942) in chapter VI "Chemistry of Sea Water" referred to Dittmar (1884), who determined potassium in 77 water samples, representative of all oceans, which had been collected on the voyage around the world of H.M.S. Challenger. The results of Dittmar's work showed that there were no significant regional differences in the relative composition of sea water; consequently, his average values could be used to represent the ratios between the major dissolved constituents. Table 33 in Sverdrup et al. 1942 (here: "any other information on results incl. tables") gives mean values in g/kg seawater with a chlorinity of 19.00 ‰. For potassium, these natural sea water concentrations were determined to be ~ 380 mg K/kg 19.00 ‰ sea water.
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