Organic Salts

Author: Hans-Jürgen Schwarz
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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	schwer löslich		nx = 1,491 ny = 1,555 nz = 1,650 Δ = 0,159	not water soluble
Weddelite	Ca(C2O4)•2H2O	poorloy water soluble		no = 1,523 ne = 1,544 Δ = 0,021	not water soluble
Formicaite	Ca(HCOO)2	162 (0)		nx = 1,510 ny = 1,514 nz = 1,578 Δ = 0,068
Dashkovaite	Mg(HCOO)2•2H2O	140(0)		nx = 1,468 ny = 1,476 nz = 1,518 Δ = 0,050
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		gfound of on calcareous museum objects

an atom or molecule with a negative electrical charge.

relative humidity