Nitronatrite

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Nitronatrite[1][2]
NaNO3 II (1).JPG
Mineralogical name Sodium Nitrate
Chemical name Natriumnitrat
Trivial name Nitratine, Nitratite, Soda Niter, Cubic Niter
Chemical formula NaNO3
Other forms
Crystal system trigonal
Crystal structure
Deliquescence humidity 20°C 75.3% [Steiger etal: 2014]Title: Weathering and Deterioration
Author: Steiger, Michael; Charola A. Elena; Sterflinger, Katja
Link to Google Scholar
Solubility (g/l) at 20°C 880 g/l
Density (g/cm³) 2.24-2.29 g/cm3
Molar volume 37.6 cm3/mol
Molar weight 85 g/mol
Transparency transparent
Cleavage perfect
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices no = 1.587
ne = 1.336
Birefringence Δ = 0.251
Optical Orientation
Pleochroism
Dispersion
Used Literature
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Authtor: Hans-Jürgen schwarz
back to Nitrate


Solubility properties[edit]

Figure1: Solubility ofNaNO3 in Wasser (Diagram: Michael Steiger)

Hygroscopicity[edit]

Figure2: Deliqueszenz humidity of NaNO3 (Diagram: Michael Steiger)


Table 1: Deliquescence himdities of sodium nitrate at different round temperatures [Steiger etal: 2014]Title: Weathering and Deterioration
Author: Steiger, Michael; Charola A. Elena; Sterflinger, Katja
Link to Google Scholar
0°C 10°C 20°C 30°C 40°C 50°C
80.1%r.h. 77.7%r.h. 75.3%r.h. 72.8%r.h. 70.4%r.h. 68.0%r.h.


Under the polarising microscope[edit]

Weblinks
[edit]

Literature[edit]

[Steiger etal: 2014]Steiger, Michael; Charola A. Elena; Sterflinger, Katja (2014): Weathering and Deterioration. In:: Stone in Architecture, Siegesmund S. and Snethlage R., 10.1007/978-3-642-45155-3_4.Link to Google Scholar