Nitronatrite: Difference between revisions

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  [[file:NaNO3_a.jpg|thumb|400px|center|Figure2: Deliqueszenz humidity of NaNO<sub>3</sub> (Diagram: Michael Steiger)]]
  [[file:NaNO3_a.jpg|thumb|400px|center|Figure2: Deliqueszenz humidity of NaNO<sub>3</sub> (Diagram: Michael Steiger)]]
<br clear=all>
{|border="2" cellspacing="0" cellpadding="4" width="52%" align="left" class="wikitable"
|+''Table 1: Deliquescence himdities of  sodium nitrate at different round temperatures <bib id="Steiger etal: 2014"/>''                   
|-
|bgcolor = "#F0F0F0" align=center| 0°C
|bgcolor = "#F0F0F0" align=center| 10°C
|bgcolor = "#F0F0F0" align=center| 20°C
|bgcolor = "#F0F0F0" align=center| 30°C
|bgcolor = "#F0F0F0" align=center| 40°C
|bgcolor = "#F0F0F0" align=center| 50°C
|-
|bgcolor = "#FFFFEO" align=center| 80,1%r.F.
|bgcolor = "#FFFFEO" align=center| 77,7%r.F.
|bgcolor = "#FFFFEO" align=center| 75,3%r.F.
|bgcolor = "#FFFFEO" align=center| 72,8%r.F.
|bgcolor = "#FFFFEO" align=center| 70,4%r.F.
|bgcolor = "#FFFFEO" align=center| 68,0%r.F.
|}
<br clear=all>


== Under the polarising microscope  ==
== Under the polarising microscope  ==

Revision as of 14:43, 28 January 2015

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%
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
{{{Literature}}}



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.F. 77,7%r.F. 75,3%r.F. 72,8%r.F. 70,4%r.F. 68,0%r.F.


Under the polarising microscope[edit]

Weblinks
[edit]