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Table 2 Sample name and treatment, respective ETH lab code, starting sample size, recovered mass following sample treatment, respective recovery, resulting carbon mass available for measurement, radiocarbon age and uncertainty, and final calibrated age range with OxCal and SHCal20 calibration curve (95.4% probability)

From: Combined, sequential dye analysis and radiocarbon dating of single ancient textile yarns from a Nazca tunic

Sample

ETH label

Mass (mg)

Yield

C (μg)

14C age ± σ (yrs BP)

Calibrated date

(2 σ)

Start

Cleaned

(%)

1 Colorless untreated

113,951.1.1

0.830

0.217

26

92

1470 ± 67

438–773 CE

2 Orange untreated

113,952.1.1

0.770

0.048

6

11

1661 ± 165

26 BC–771 CE

2A Orange HF-M/W

113,953.1.1

0.386

0.275

71

130

1466 ± 67

442–773 CE

2B Orange OAMW

113,954.1.1

0.488

0.404

83

186

1513 ± 66

425–670 CE

3 Red untreated

113,955.1.1

2.400

0.010

0.5

4

1275 ± 522

515 BC–1669 CE

3A Red HF-M/W

113,956.1.1

1.110

0.096

9

38

1847 ± 79

30–412 CE

3B Red OAMW

113,957.1.1

1.322

0.440

33

100

1434 ± 65

530–827 CE

4 Brown untreated

113,958.1.1

0.488

0.000

0

0

–

–

4A Brown HF-M/W-DMSO

113,959.1.1

0.456

0.051

11

9

1328 ± 100

595 BC–987 CE

4B Brown OAMW

113,960.1.1

0.526

0.013

2

5

1623 ± 366

406 BC–1207 CE

5 Black untreated

113,961.1.1

0.450

0.131

29

57

1407 ± 72

543–871 CE

5A Black HF-M/W-DMSO

113,962.1.1

0.546

0.248

45

103

1428 ± 71

526–851 CE

5B Black OAMW

113,963.1.1

0.376

0.338

90

78

1495 ± 71

426–768 CE