Table 4 Acid dissolution information (lump mass, reaction time chosen for the acid dissolution) and AMS results of TC samples.

From: A new multi-analytical procedure for radiocarbon dating of historical mortars

ID samples

Mass (mg)

Reaction time (s)

14C concentration (pMC)

Trc (yrs BP)

Calibrated age (95% probability)

TC26L1

4.08

0–30

93.8 ± 1.7

528 ± 66

1296–1472

TC26L2

2.62

0–30

93.4 ± 1.1

TC26L4

2.34

0–30

93.9 ± 1.4

TC27L1

2.10

0–30

98.4 ± 1.0

130 ± 82

1657-…