Saeco Talea Ring - ERM-AE672 Glycine - Absolute Carbon Isotope Ratio

Version 10.0 – July 2014
51
CARBON ISOTOPE RATIOS
Code
Batch
Description Unit Size
ERM
-
AE
672
a
Glycine
–
Absolute Carbon Isotope R
atio
The material was prepared from a single batch of commercially available high purity
glycine.
This material is intended for use in the calibration of instruments, the validation of
new methods and the monitoring of the performance of methods used for the
determination of carbon isotope ratios. It can also be used for the training and
evaluation of staff.
Certified Value
n(
13
C)/n(
12
C) ........... 0.010648 ± 0.000031 (ratio)
Additional Material Data
δ
13
C
VPDB-LSVEC
......................... -42.12 ± 0.42 (‰)
0.5 g