Materials with known ¹⁴C activities

IAEA-C1, Marble

Unit Size: 50 g
Price per Unit: 130 €
Date of Release: 1991
Reference Sheet (pdf-format)

IAEA-C1 was produced from a slab of freshly cut Carrara marble and milled down to a dust free fraction of 1.6 - 5.0 mm. The recommended value of the quality control material is the result of the statistical evaluation of an interlaboratory comparison exercise [1].

Analyte	Value	Unit	SD	R/I/C
δ13C	2.4	‰PDB	0.3	I
14C	0.00	pMC	0.02	R

(R/I/C) Classification assigned to the property value for analyte (Recommended/Information/Certified)

References:

1. Rozanski, K., Stichler, W., Gonfiantini, R., Scott, E.M., Beukens, R.P., Kromer, B., van der Plicht, J. (1992): The IAEA ¹⁴C Intercomparison exercise 1990. Radiocarbon, vol. 34, No. 3, pp. 506 519.