| Section: 4 | Carbohydrates (CB) | Page: 73 | 
IRUG filename: ICB00073  | Data type: Infrared  | IRUG material class: Carbohydrates (CB)  | 
Sample type: Reference material  | Common name(s): Gum tragacanth, tragacanth gum  | Chemical/botanical name(s): Astragalus microcephalus  | 
CAS name: Gum tragacanth  | Sample source 1: Los Angeles County Museum of Art  | Source location 1: 5905 Wilshire Blvd, Los Angeles, CA, US  | 
Sample identifier 1: No. 22, Astragalus microcephalis  | Color: White  | MW (relative): Approximately 800,000  | 
Application: MFTIR (Fourier transform infrared microspectroscopy)  | Mode: Tran  | Originating institution name: Winterthur Museum, Garden and Library  | 
Originating institution acronym: WM  | CAS registry no: 9000-65-1  |