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<!--In dieser Übersicht finden Sie die am häufigsten an den Objekten anzutreffenden Salze mit Nitrat als Anion. Die einzelnen Salze werden auf eigenen Seiten näher behandelt, ihr Vorkommen und ihre Schadensrelevanz wird erklärt und ihr Schadensbild in einer Bilddokumentation dargestellt. -->
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.  


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Revision as of 19:48, 2 May 2011

The Nitrates[edit]

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
Nitrocalcite Ca(NO3)2•4H2O 2660 50,5(25), 53,6(20), 56,5(10) nx = 1,465
ny = 1,498
nz = 1,504
Δ = 0,039
 
Nitromagnesite Mg(NO3)2•6H2O 420
705 (20)
51,4(30), 54,4(20), 57,4(10) nx = 1,34
ny = 1,506
nz = 1,506
Δ = 0,166
 
Nitronatrite NaNO3 880 74,3(25), 75,4(20), 77,5(10) no = 1,587
ne = 1,336
Δ = 0,251
 
Niter KNO3 315 93,6(25), 94,6(20) nx = 1,335
ny = 1,505
nz = 1,506
Δ = 0,171
 
Nitrammite NH4NO3 1277
1778(20)
61,8(25)
65 (20)
nx = 1,411-1,416
ny = 1,605-1,623
nz = 1,630-1,649
Δ = 0,219-0,233