| Section: 8 | Natural resins (NR) | Page: 85 | 
IRUG filename: INR00085  | Data type: Infrared  | IRUG material class: Natural resins (NR)  | 
Sample type: Reference material  | Common name(s): Pitch, admixture, mostly CaCO3 phase, used for repairs  | CAS name: Pitch, Carbonic acid calcium salt (1:1)  | 
Sample source 1: British Museum  | Source location 1: Great Russell Street, London, WC1B-3DG, UK  | Application: Transmission FTIR spectroscopy  | 
Mode: Tran  | Originating institution name: British Museum  | Originating institution acronym: BM  | 
CAS registry no: 61789-60-4 (pitch), 471-34-1 (CaCO3)  |