User:Karlhahn/KarlsSandbox

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This page is intended to show what I've been up to as a Wikipedian, and what I am working on

Link to archived sandbox material (old drafts of various stuff).

Useful link to lots of stuff for Wikipedia authoring.

Contents

[edit] Nonexhaustive list of my contributions (in chronological order)

Added table to solubility product on 29-Aug-2006

Vapor over liquid tables for Ammonia (data page) are now published to main namespace (5-Oct-2006)

Programmer's Guide to Hebrew Calender published in Hebrew calendar on 6-Oct-2006.

Rewrite on "Solubility of calcium carbonate in water" from Calcium carbonate published to that article on 11-Oct-2006.

New sections published to surface tension on 12-Oct-2006.

Translated data (from German page) published to water (data page) on 14-Oct-2006

Added sections lead#Descriptive chemistry and lead#Processing of metal from ore on 10-Dec-2006.

Published Frederick Jacobi biography article on 22-Dec-2006.

Published Castner-Kellner process on 4-March-2007 and major update to Castner process on 6-March-2007.

Added oxidation states section to chlorine#Compounds on 18-March-2007.

Published initial version of Azeotrope (data) on 21-March-2007. Made additions to it since.

Added aqueous solution properties table to ethanol (data page) on 30-March-2007

Shortly after, added similar data to methanol (data page). Also added vapor pressure data and graphs to both pages as well as to acetone (data page).

Published rewrite of Azeotrope on 14-April-2007

[edit] Solvents project

Added vapor tables and distillation data for methanol (data page), acetone (data page), butanone (data page), isobutane (data page), propane (data page), butane (data page), methane (data page), acetic acid (data page), formic acid (data page), carbon dioxide (data page), benzene (data page), isopropanol (data page), toluene (data page), diethyl ether (data page), ethylene glycol (data page), and glycerol (data page) in the first two weeks of May 2007.

Solvent data page project continues in the remainder of May 2007. Includes chloroform (data page), carbon tetrachloride (data page), cyclohexane (data page), tetrahydrofuran (data page), n-hexane (data page), acetonitrile (data page), pyridine (data page), dimethyl sulfoxide (data page), p-xylene (data page), o-xylene (data page), m-xylene (data page), dichloromethane, aniline (data page), chloromethane (data page), pentane (data page), trichloroethylene (data page), 1,2-Dichloroethane (data page), tetrachloroethylene (data page) and others.

[edit] Suspended projects (for now)

Work on Surface tension (supplement) and on Tide Prediction is currently suspended.

[edit] Links to source material I've found

[edit] Tracking of Ethanol article sections

User:Karlhahn/Ethanol071009 is a side-by-side comparison of a section or sections of the GA-version from October 2007 with a recent version (January 2008).

[edit] Ice table

Properties of various forms of ice[1]
Ice
form		 Density
gr/cm3		 Crystal
stucture		 Triple
points		 TP Temp °C TP Pressure
MPa
Ih 0.92 hexagonal Lq, Vap, Ih 0.01 0.000612
Lq, Ih , III −22.0 207.5
Ih, II, III −34.7 212.9
II 1.17 rhombohedral Ih, II, III −34.7 212.9
II, III, V −24.3 344.3
II, V, VI −55 (est) 620
III 1.14 tetragonal Lq, Ih , III −22.0 207.5
Lq, III, V −17 346.3
Ih, II, III −34.7 212.9
II, III, V −24.3 344.3
IV 1.27 rhombohedral
V 1.23 monoclinic Lq, III, V −17 346.3
Lq, V, VI 0.16 625.9
II, III, V −24.3 344.3
II, V, VI −55 (est) 620
VI 1.31 tetragonal Lq, V, VI 0.16 625.9
Lq, VI, VII 81.6 2200
II, V, VI −55 (est) 620
VI, VII, VIII ≈5 2100
VII 1.50 cubic Lq, VI, VII 81.6 2200
VI, VII, VIII ≈5 2100
VII, VIII, X −173 6200
VIII 1.46 tetragonal VI, VII, VIII ≈5 2100
VII, VIII, X −173 6200
IX 1.16 tetragonal
X 2.46 cubic VII, VIII, X −173 6200
XI‡ 0.92 orthorhombic Vap, Ih, XI −201.5 0 (expected)
XII 1.29 tetragonal
XIII 1.23 monoclinic
XIV 1.29 orthorhombic

[edit] Surface tension data table

Surface tension of various liquids in dyn/cm against air
Mixture %'s are by weight
Liquid Temperature °C Surface tension, γ
Acetic acid 20 27.6
Acetic acid (40.1%) + Water 30 40.68
Acetic acid (10.0%) + Water 30 54.56
Acetone 20 23.7
Ethanol 20 22.27
Ethanol (40%) + Water 25 29.63
Ethanol (11.1%) + Water 25 46.03
Diethyl ether 20 17.0
Glycerol 20 63
n-Hexane 20 18.4
Hydrochloric acid 17.7M aqueous solution 20 65.95
Isopropanol 20 21.7
Mercury 15 487
Methanol 20 22.6
n-Octane 20 21.8
Sodium chloride 6.0M aqueous solution 20 82.55
Sucrose (55%) + water 20 76.45
Water 0 75.64
Water 25 71.97
Water 50 67.91
Water 100 58.85

[edit] Google translation of Dutch Wikipedia version of Santalol

Santalol is an unsaturated alcohol. It is a component of the essential oil of sandelhout. It is used as a fragrance ingredient in cosmetic products (soaps, creams, hairspray, lotions, etc.), it has a sweet, moderately strong houtgeur. The concentration of santalol in these products is low (less than 8 ppm).

There are two isomers, α-and β-santalol, each containing a number of stereo-isomers; some of them are odourless.[2]

From α-santalol showed that the mice with skin cancer because it can prevent apoptosis (cell death) of the cancer cells caused.[3]

[edit] Phenidone

Phenidone
IUPAC name 1-phenyl-3-pyrazolidinone
Identifiers
CAS number [92-43-3]
EINECS number 202-155-1
SMILES O=C1CCN(N1)c2ccccc2
Properties
Molecular formula C9H10N2O
Molar mass 162.19
Appearance Crystal leaflets or needles
Melting point

121 °C, 394 K, 250 °F
Solubility in water 10 g/100 ml at 100 °C
Solubility in ethanol 10 g/100 ml (hot)
Solubility in diethyl ether practically insoluble
Hazards
MSDS External MSDS
Main hazards Harmful if swallowed
R-phrases R20 R22
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

Phenidone (1-phenyl-3-pyrazolidinone) is an organic chemical compound whose primary uses is as a photographic developer. It is effective has five to ten times the developing power as Metol. It also has low toxicity and, unlike some other developers, does not cause dermatitis upon skin contact.

[edit] References

  1. ^ Martin Chaplin. Water Phase Diagram. London South Bank University. Retrieved on 2008-01-21.
  2. ^ Chirality & Odour Perception: The Santalols
  3. ^ Manjinder Kaur et al., Carcinogenesis vol.26 no.2 (2005), pp.369-380



[edit] Skyline (construction set)

American Skyline was a construction set sold in the late 1950's and early 1960's by a toy company called ELGO. With an American Skyline set, its owner was able to piece together models of high-rise city buildings.

The set consisted of a collection of three different types of plastic parts -- column segments, vertical panels (which included windows and doors), and floor panels. The column segments interlocked to form stacks. Each such stack would present four tracks running the length of the stack. The vertical panel pieces could slide into the tracks. Panels slid into adjacent tracks in the same column would be at right-angles to each other. The floor panels had corners cut in such a way that each corner could be held in place between two column segments.

Sets were sold in six different versions. The only difference between the versions was the number of pieces contained. All versions contained the same types of pieces.


[edit] Nitrobenzene (data page) draft

This page provides supplementary chemical data on nitrobenzene.

[edit] Material Safety Data Sheet

The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such as SIRI, and follow its directions.

[edit] Structure and properties

Structure and properties
Index of refraction,[1] nD 1.5524 at 20°C
Abbe number ?
Dielectric constant,[2] εr 34.82 ε0 at 25 °C
Bond strength  ?
Bond length  ?
Bond angle  ?
Magnetic susceptibility  ?
Surface tension[3] 46.4 dyn/cm at 0°C
43.20 dyn/cm at 20°C
34.1 dyn/cm at 100°C
Viscosity[4] 28.2 mPa·s at 10°C
19.8 mPa·s at 20°C
15.5 mPa·s at 35°C

[edit] Thermodynamic properties

Phase behavior
Triple point  ? K (? °C), ? Pa
Critical point  ? K (? °C), ? Pa
Std enthalpy change
of fusion, ΔfusHo		  ? kJ/mol
Std entropy change
of fusion, ΔfusSo		  ? J/(mol·K)
Std enthalpy change
of vaporization, ΔvapHo		  ? kJ/mol
Std entropy change
of vaporization, ΔvapSo		  ? J/(mol·K)
Solid properties
Std enthalpy change
of formation, ΔfHosolid		  ? kJ/mol
Standard molar entropy,
Sosolid		  ? J/(mol K)
Heat capacity, cp  ? J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid		  ? kJ/mol
Standard molar entropy,
Soliquid		  ? J/(mol K)
Heat capacity, cp  ? J/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHogas		  ? kJ/mol
Standard molar entropy,
Sogas		  ? J/(mol K)
Heat capacity, cp  ? J/(mol K)

[edit] Vapor pressure over liquid

P in mm Hg 1 10 40 100 400 760
T in °C 44.4 84.9 115.4 139.9 185.8 210.6

Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.

[edit] Spectral data

UV-Vis
λmax  ? nm
Extinction coefficient, ε  ?
IR
Major absorption bands  ? cm−1
NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
MS
Masses of
main fragments		  

[edit] References

  1. ^ Lange's Handbook of Chemistry, 10th ed. pp 1289-1376
  2. ^ Lange's Handbook of Chemistry, 10th ed. pp 1234-1237
  3. ^ Lange's Handbook of Chemistry, 10th ed. pp 1661-1663
  4. ^ Lange's Handbook of Chemistry, 10th ed. pp 1669-1674

Except where noted otherwise, data relate to standard ambient temperature and pressure.

Disclaimer applies.


formaldehyde

P in mm Hg 1 10 40 100 400 760
T in °C  — –88.0 –70.6 –57.3 –33.0 –19.5

Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.

[edit] Some left-over drafts of various contributions follow



[edit] Draft: Tide Prediction

Objective: Plan to explain the method of harmonic constituents as detailed in U.S. Govt. Special Publication 98[1]

Redirects will include Tidal Prediction Tidal Constituent Tidal Constituents Harmonic Constituent Harmonic Constitutents




[edit] template:chembox new draft for trichloroethylene

Karlhahn/KarlsSandbox
IUPAC name trichloroethylene
Identifiers
CAS number [79-01-6]
Properties
Molecular formula C2HCl3
Molar mass 131.39 g mol-1
Appearance Colorless liquid
Density 1.46 g / cm3 (liquid)
Melting point

200 K (-73 °C)
Boiling point

360 K (87 °C)
Solubility in water 0.1 g/100 cm3 at 25°C
Solubility ether, ethanol, chloroform
Refractive index (nD) 1.4777 at 19.8°C
Hazards
MSDS Mallinckrodt Baker
Main hazards Harmful if swallowed or inhaled.
NFPA 704
1
2
0
 
Autoignition
temperature		 420°C
Related compounds
Related alkyl chloride 1,1,1-Trichloroethane
1,1,2-Trichloroethane
Related compounds chloroform
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references


[edit] old template for trichloroethylene

Properties

General
Name Trichloroethylene
Chemical formula ClCH=CCl2
Appearance Colorless liquid
CAS number 79-01-6

Physical
Formula weight 131.4 g/mol
Melting point 200 K (-73 °C)
Boiling point 360 K (87 °C)
Density 1460 kg/m3 (liquid)
Solubility 1 g/L in water

Thermochemistry
ΔfH0gas -7.78 kJ/mol
ΔfH0liquid -42.3 kJ/mol
ΔfH0solid ? kJ/mol
S0gas, 100 kPa ? J/(mol·K)
S0liquid, 100 kPa ? J/(mol·K)
S0solid ? J/(mol·K)

Safety
Ingestion May cause nausea, stomach irritation. Inhaling vapors from stomach into lungs causes symptoms like those of inhalation.
Inhalation Can cause dizziness, drowsiness, confusion, unconsciousness, and cardiac failure. May irritate mucous membranes.
Skin May cause skin irritation. Prolonged exposure may lead to chronic irritation.
Eyes May cause burning sensation, watering.
NFPA 704
1
2
0
More info Hazardous Chemical Database

SI units were used where possible. Unless otherwise stated, standard conditions were used.

Disclaimer and references


[edit] Notes

  1. ^ Schureman, Paul: U.S. Coast and Geodetic Survey Special Publication 98.