Organic Salts: Difference between revisions
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| [[Whewellite]] | | [[Whewellite]] | ||
| Ca(C<sub>2</sub>O<sub>4</sub>)•H<sub>2</sub>O | | Ca(C<sub>2</sub>O<sub>4</sub>)•H<sub>2</sub>O | ||
| | | poorly water soluble | ||
| | | | ||
| n<sub>x</sub> = 1,491<br>n<sub>y</sub> = 1,555<br><u>n<sub>z</sub> = 1,650</u><br>Δ = 0,159 | | n<sub>x</sub> = 1,491<br>n<sub>y</sub> = 1,555<br><u>n<sub>z</sub> = 1,650</u><br>Δ = 0,159 | ||
| Line 23: | Line 23: | ||
| [[Weddellite]] | | [[Weddellite]] | ||
| Ca(C<sub>2</sub>O<sub>4</sub>)•2H<sub>2</sub>O | | Ca(C<sub>2</sub>O<sub>4</sub>)•2H<sub>2</sub>O | ||
| | | poorly water soluble | ||
| | | | ||
| n<sub>o</sub> = 1,523<br><u>n<sub>e</sub> = 1,544</u><br>Δ = 0,021 | | n<sub>o</sub> = 1,523<br><u>n<sub>e</sub> = 1,544</u><br>Δ = 0,021 | ||
Revision as of 14:04, 9 June 2011
Author: Hans-Jürgen Schwarz
back to SaltWiki:Portal
In this overview the most frequently occurring salts with nitrate as the anion are listed. The various salt phases are discussed in detail on separate pages, their occurrence and their damage potential is explained and the damage szmptoms are illustrated in an documentation.
| Name | Formula | Solubility [g/l] 20°C |
Deliqueszenz-humidity | Light refraction/ Birefringence |
Notes |
| Whewellite | Ca(C2O4)•H2O | poorly water soluble | nx = 1,491 ny = 1,555 nz = 1,650 Δ = 0,159 |
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| Weddellite | Ca(C2O4)•2H2O | poorly water soluble | no = 1,523 ne = 1,544 Δ = 0,021 |
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| Formicaite | Ca(HCOO)2 | 162 (0) | nx = 1,510 ny = 1,514 nz = 1,578 Δ = 0,068 |
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| Dashkovaite | Mg(HCOO)2•2H2O | 140(0) | nx = 1,468 ny = 1,476 nz = 1,518 Δ = 0,050 |
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| Calciumacetate | Ca (C2H3O2)2 | 374 (0) | found of on calcareous museum objects | ||
| Calclacite | Ca[Cl2/CH3COO]•10H2O | nx = 1,468 ny = 1,484 nz = 1,515 Δ = 0,047 |
found of on calcareous museum objects | ||
| Thecotrichite | Ca3(CH3COO)3Cl(NO3)2• 7H2O | ca. 85%RH [1] | gfound of on calcareous museum objects |