Interactive IRUG Spectrum

Details

IRUG filename:
IMP00425
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Weddellite, with some whewellite
Chemical/botanical name(s):
Calcium oxalate dihydrate, calcium oxalate monohydrate
CAS name:
Weddellite (Ca(C2O4).2H2O), Whewellite (Ca(C2O4).H2O)
Source location 1:
Near Biggs, Wasco County, Oregon (OR), US
Sample source 2:
Excalibur Mineral Company
Source location 2:
1885 Seminole Trail, Charlottesville, VA, 22901, US
Color:
White
MW (relative):
164.13 (weddellite), 146.11 (whewellite), literature
Application:
MFTIR (Fourier transform infrared microspectroscopy)
Mode:
Tran
Cross reference to additional spectra:
XRD
Originating institution name:
Philadelphia Museum of Art
Originating institution acronym:
PMA
Linear formula:
Ca(C2O4)*2H2O (Weddellite), Ca(C2O4)*H2O (Whewellite)
CAS registry no:
7236-42-2 (Weddellite), 14488-96-1 (Whewellite)
Other analytical methods:
GC-MS (gas chromatography-mass spectrometry)
 

Related Structure(s)

IRUG Structure Tracking #: 1144
Common Name(s): Weddellite
Chemical Name(s): Calcium oxalate dihydrate; Oxalic acid calcium salt
CAS Name: Weddellite (Ca(C2O4).2H2O)
CAS Registry No: 144-62-7 7236-42-2
IRUG Material Class: Minerals and pigments (MP)
Molecular Formula: C2 H2 O4 * Ca * 2H2O
Linear Formula: Ca(C2O4)*2H2O
MW: 164.13
IRUG Structure Tracking #: 1145
Common Name(s): Whewellite
Chemical Name(s): Calcium oxalate monohydrate; Oxalic acid calcium salt
CAS Name: Whewellite (Ca(C2O4).H2O)
CAS Registry No: 14488-96-1
IRUG Material Class: Minerals and pigments (MP)
Linear Formula: Ca(C2O4)*H2O
MW: 146.11