IAEA-603 , Calcite

Inorganic , Mineral

Unit Size: 0.5g

The reference material IAEA-603 (calcite, CaCO₃) prepared with the aim to replace the reference material NBS19 (exhausted) is certified for the stable isotopic δ¹³C and δ¹⁸O composition. Description of the material, its intended use, results of the characterisation and the values assignment can be found in the Reference Sheet. The material IAEA-603 is supplied as 0.5 g units in flame sealed glass ampoules.

Assigned δ¹³C and δ¹⁸O values for the stable isotopic composition of IAEA-603
expressed in per mille (‰) on the respective VPDB scales

	Assigned value	Combined standard uncertainty at 1σ-level
δ¹³C, ‰ on the VPDB δ¹³C scale	+2.46	±0.01
δ¹⁸O, ‰ on the VPDB δ¹⁸O scale	-2.37	±0.04

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